[Code of Federal Regulations]
[Title 10, Volume 3]
[Revised as of January 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 10CFR430.23]
[Page 107-120]
TITLE 10--ENERGY
CHAPTER II--DEPARTMENT OF ENERGY
PART 430_ENERGY CONSERVATION PROGRAM FOR CONSUMER PRODUCTS--Table of Contents
Subpart B_Test Procedures
Sec. 430.23 Test procedures for the measurement of energy and water
consumption.
(a) Refrigerators and refrigerator-freezers. (1) The estimated
annual operating cost for electric refrigerators and electric
refrigerator-freezers without an anti-sweat heater switch shall be the
product of the following three factors: (i) The representative average-
use cycle of 365 cycles per year, (ii) the average per-cycle energy
consumption for
[[Page 108]]
the standard cycle in kilowatt-hours per cycle, determined according to
6.2 (6.3.6 for externally vented units) of appendix A1 of this subpart,
and (iii) the representative average unit cost of electricity in dollars
per kilowatt-hour as provided by the Secretary, the resulting product
then being rounded off to the nearest dollar per year.
(2) The estimated annual operating cost for electric refrigerators
and electric refrigerator-freezers with an anti-sweat heater switch
shall be the product of the following three factors: (i) The
representative average-use cycle of 365 cycles per year, (ii) half the
sum of the average per-cycle energy consumption for the standard cycle
and the average per-cycle energy consumption for a test cycle type with
the anti-sweat heater switch in the position set at the factory just
prior to shipping, each in kilowatt-hours per cycle, determined
according to 6.2 (6.3.6 for externally vented units) of appendix A1 of
this subpart, and (iii) the representative average unit cost of
electricity in dollars per kilowatt-hour as provided by the Secretary,
the resulting product then being rounded off to the nearest dollar per
year.
(3) The estimated annual operating cost for any other specified
cycle type for electric refrigerators and electric refrigerator-freezers
shall be the product of the following three factors: (i) The
representative average-use cycle of 365 cycles per year, (ii) the
average per-cycle energy consumption for the specified cycle type,
determined according to 6.2 (6.3.6 for externally vented units) of
appendix A1 to this subpart, and (iii) the representative average unit
cost of electricity in dollars per kilowatt-hour as provided by the
Secretary, the resulting product then being rounded off to the nearest
dollar per year.
(4) The energy factor for electric refrigerators and electric
refrigerator-freezers, expressed in cubic feet per kilowatt-hour per
cycle, shall be--
(i) For electric refrigerators and electric refrigerator-freezers
not having an anti-sweat heater switch, the quotient of (A) the adjusted
total volume in cubic feet, determined according to 6.1 of appendix A1
of this subpart, divided by (B) the average per-cycle energy consumption
for the standard cycle in kilowatt-hours per cycle, determined according
to 6.2 (6.3.6 for externally vented units) of appendix A1 of this
subpart, the resulting quotient then being rounded off to the second
decimal place, and
(ii) For electric refrigerators and electric refrigerator-freezers
having an anti-sweat heater switch, the quotient of (A) the adjusted
total volume in cubic feet, determined according to 6.1 of appendix A1
of this subpart, divided by (B) half the sum of the average per-cycle
energy consumption for the standard cycle and the average per-cycle
energy consumption for a test cycle type with the anti-sweat heater
switch in the position set at the factory just prior to shipping, each
in kilowatt-hours per cycle, determined according to 6.2 (6.3.6 for
externally vented units) of appendix A1 of this subpart, the resulting
quotient then being rounded off to the second decimal place.
(5) The annual energy use of electric refrigerators and electric
refrigerator-freezers equals the representative average use cycle of 365
cycles per year times the average per-cycle energy consumption for the
standard cycle in kilowatt-hours per cycle, determined according to 6.2
(6.3.6 for externally vented units) of appendix A1 of this subpart.
(6) Other useful measures of energy consumption for electric
refrigerators and electric refrigerator-freezers shall be those measures
of energy consumption for electric refrigerators and electric
refrigerator-freezers which the Secretary determines are likely to
assist consumers in making purchasing decisions which are derived from
the application of appendix A1 of this subpart.
(7) The estimated regional annual operating cost for externally
vented electric refrigerators and externally vented electric
refrigerator-freezers without an anti-sweat heater switch shall be the
product of the following three factors:
(i) The representative average-use cycle of 365 cycles per year,
(ii) The regional average per-cycle energy consumption for the
standard
[[Page 109]]
cycle in kilowatt-hours per cycle, determined according to 6.3.7 of
appendix A1 of this subpart and
(iii) The representative average unit cost of electricity in dollars
per kilowatt-hour as provided by the Secretary, the resulting product
then being rounded off to the nearest dollar per year.
(8) The estimated regional annual operating cost for externally
vented electric refrigerators and externally vented electric
refrigerator-freezers with an anti-sweat heater switch shall be the
product of the following three factors:
(i) The representative average-use cycle of 365 cycles per year,
(ii) Half the sum of the average per-cycle energy consumption for
the standard cycle and the regional average per-cycle energy consumption
for a test cycle with the anti-sweat heater switch in the position set
at the factory just prior to shipping, each in kilowatt-hours per cycle,
determined according to 6.3.7 of appendix A1 of this subpart, and
(iii) The representative average unit cost of electricity in dollars
per kilowatt-hour as provided by the Secretary, the resulting product
then being rounded off to the nearest dollar per year.
(9) The estimated regional annual operating cost for any other
specified cycle for externally vented electric refrigerators and
externally vented electric refrigerator-freezers shall be the product of
the following three factors:
(i) The representative average-use cycle of 365 cycles per year,
(ii) The regional average per-cycle energy consumption for the
specified cycle, in kilowatt-hours per cycle, determined according to
6.3.7 of appendix A1 of this subpart, and
(iii) The representative average unit cost of electricity in dollars
per kilowatt-hour as provided by the Secretary, the resulting product
then being rounded off to the nearest dollar per year.
(b) Freezers. (1) The estimated annual operating cost for freezers
without an anti-sweat heater switch shall be the product of the
following three factors: (i) The representative average-use cycle of 365
cycles per year, (ii) the average per-cycle energy consumption for the
standard cycle in kilowatt-hours per cycle, determined according to 6.2
of appendix B1 of this subpart, and (iii) the representative average
unit cost of electricity in dollars per kilowatt-hour as provided by the
Secretary, the resulting product then being rounded off to the nearest
dollar per year.
(2) The estimated annual operating cost for freezers with an anti-
sweat heater switch shall be the product of the following three factors:
(i) The representative average-use cycle of 365 cycles per year, (ii)
half the sum of the average per-cycle energy consumption for the
standard cycle and the average per-cycle energy consumption for a test
cycle type with the anti-sweat heater switch in the position set at the
factory just prior to shipping, each in kilowatt-hours per cycle,
determined according to 6.2 of appendix B1 of this subpart, and (iii)
the representative average unit cost of electricity in dollars per
kilowatt-hour as provided by the Secretary, the resulting product then
being rounded off to the nearest dollar per year.
(3) The estimated annual operating cost for an other specified cycle
type for freezers shall be the product of the following three factors:
(i) The representative average-use cycle of 365 cycles per year, (ii)
the average per-cycle energy consumption for the specified cycle type,
determined according to 6.2 of appendix B1 of this subpart and (iii) the
representative average unit cost of electricity in dollars per kilowatt-
hour as provided by the Secretary, the resulting product then being
rounded off to the nearest dollar per year.
(4) The energy factor for freezers, expressed in cubic feet per
kilowatt-hour per cycle, shall be--
(i) For freezers not having an anti-sweat heater switch, the
quotient of (A) the adjusted net refrigerated volume in cubic feet,
determined according to 6.1 of appendix B1 of this subpart, divided by
(B) the average per-cycle energy consumption for the standard cycle in
kilowatt-hours per cycle, determined according to or 6.2 of appendix B1
of this subpart, the resulting quotient then being rounded off to the
second decimal place, and
(ii) For freezers having an anti-sweat heater switch, the quotient
of (A) the
[[Page 110]]
adjusted net refrigerated volume in cubic feet, determined according to
6.1 of appendix B1 of this subpart, divided by (B) half the sum of the
average per-cycle energy consumption for the standard cycle and the
average per-cycle energy consumption for a test cycle type with the
anti-sweat switch in the position set at the factory just prior to
shipping, each in kilowatt-hours per cycle, determined according to or
6.2 of appendix B1 of this subpart, the resulting quotient then being
rounded off to the second decimal place.
(5) The annual energy use of all freezers equals the representative
average-use cycle of 365 cycles per year times the average per-cycle
energy consumption for the standard cycle in kilowatt-hours per cycle,
determined according to 6.2 of appendix B1 of this subpart.
(6) Other useful measures of energy consumption for freezers shall
be those measures of energy consumption for freezers which the Secretary
determines are likely to assist consumers in making purchasing decisions
and which are derived from the application of appendix B1 of this
subpart.
(c) Dishwashers. (1) The Estimated Annual Operating Cost (EAOC) for
dishwashers must be rounded to the nearest dollar per year and is
defined as follows:
(i) When cold water (50 [deg]F) is used,
(A) For dishwashers having a truncated normal cycle as defined in
section 1.15 of appendix C to this subpart,
EAOC = (DexS) + ( DexNx(M-(ED/2))).
(B) For dishwashers not having a truncated normal cycle,
EAOC = (DexS) + ( DexNxM)
Where,
De = the representative average unit cost of electrical
energy, in dollars per kilowatt-hour, as provided by the Secretary,
S = the annual standby electrical energy in kilowatt-hours per year and
determined according to section 5.6 of Appendix C to this subpart,
N = the representative average dishwasher use of 215 cycles per year,
M = the machine electrical energy consumption per-cycle for the normal
cycle as defined in section 1.6 of Appendix C to this subpart, in
kilowatt-hours and determined according to section 5.1 of Appendix C to
this subpart,
ED = the drying energy consumption defined as energy consumed
using the power-dry feature after the termination of the last rinse
option of the normal cycle and determined according to section 5.2 of
appendix C to this subpart.
(ii) When electrically-heated water (120 [deg]F or 140 [deg]F) is
used,
(A) For dishwashers having a truncated normal cycle as defined in
section 1.15 of appendix C to this subpart,
EAOC = (DexS) + (DexNx(M-(ED/2)))+
(DexNxW)
(B) For dishwashers not having a truncated normal cycle,
EAOC = (DexS) + (DexNxM)+ (DexNxW)
Where,
De, S, N, M, and ED, are defined in paragraph
(c)(1)(i) of this section, and
W = the total water energy consumption per cycle for the normal cycle as
defined in section 1.6 of Appendix C to this subpart, in kilowatt-hours
per cycle and determined according to section 5.4 of Appendix C to this
subpart.
(iii) When gas-heated or oil-heated water is used,
(A) For dishwashers having a truncated normal cycle as defined in
section 1.15 of appendix C to this subpart,
EAOCg = (DexS) + (DexNx(M-
(ED/2)))+ (DgxNxWg)
(B) For dishwashers not having a truncated normal cycle,
(B) For dishwashers not having a truncated normal cycle,
EAOCg = (DexS) + (DexNxM)+
(DgxNxWg)
Where,
De, S, N, M, and ED are defined in paragraph
(c)(1)(i) of this section,
Dg = the representative average unit cost of gas or oil, as
appropriate, in dollars per Btu, as provided by the Secretary, and
Wg = the total water energy consumption per cycle for the
normal cycle as defined in section 1.6 of appendix C to this subpart, in
Btu's per cycle and determined according to section 5.5 of appendix C to
this subpart.
[[Page 111]]
(2) The energy factor for dishwashers, EF, expressed in cycles per
kilowatt-hour is defined as follows:
(i) When cold water (50 [deg]F) is used,
(A) For dishwashers having a truncated normal cycle as defined in
section 1.15 of appendix C to this subpart,
EF = 1/(M-(ED/2))
(B) For dishwashers not having a truncated normal cycle,
EF = 1/M
Where,
M, and ED are defined in paragraph (c)(1)(i) of this section.
(ii) When electrically-heated water (120 [deg]F or 140 [deg]F) is
used,
(A) For dishwashers having a truncated normal cycle as defined in
section 1.15 of appendix C to this subpart,
EF = 1/(M-(ED/2)+W)
(B) For dishwashers not having a truncated normal cycle,
EF = 1/(M+W)
Where,
M, and ED are defined in paragraph (c)(1)(i) of this section,
and W is defined in paragraph (c)(1)(ii)of this section.
(3) The estimated annual energy use, EAEU, expressed in kilowatt-
hours per year is defined as follows:
(i) For dishwashers having a truncated normal cycle as defined in
section 1.15 of appendix C to this subpart,
EAEU = (M-(ED/2)+W)xN+S
Where,
M, ED, N and S are defined in paragraph (c)(1)(i) of this
section, and W is defined in paragraph (c)(1)(ii) of this section.
(ii) For dishwashers not having a truncated normal cycle,
EAEU = (M+W)xN+S
Where,
M, N and S are defined in paragraph (c)(1)(i) of this section, and W is
defined in paragraph (c)(1)(ii) of this section.
(4) Other useful measures of energy consumption for dishwashers are
those which the Secretary determines are likely to assist consumers in
making purchasing decisions and which are derived from the application
of appendix C to this subpart.
(d) Clothes dryers. (1) The estimated annual operating cost for
clothes dryers shall be--
(i) For an electric clothes dryer, the product of the following
three factors: (A) The representative average-use cycle of 416 cycles
per year, (B) the total per-cycle energy consumption in kilowatt-hours
per-cycle, determined according to 4.1 of appendix D to this subpart,
and (C) the representative average unit cost in dollars per kilowatt-
hour as provided by the Secretary, the resulting product then being
rounded off to the nearest dollar per year, and
(ii) For a gas clothes dryer, the product of the representative
average-use cycle of 416 cycles per year times the sum of (A) the
product of the gas dryer electric per-cycle energy consumption in
kilowatt-hours per cycle, determined according to 4.2 of appendix D to
this subpart, times the representative average unit cost in dollars per
kilowatt-hour as provided by the Secretary plus (B) the product of the
total gas dryer gas energy consumption per cycle, in Btu's per cycle,
determined according to 4.5 of appendix D of this subpart, times the
representative average unit cost in dollars per Btu as provided by the
Secretary, the resulting product then being rounded off to the nearest
dollar per year.
(2) The energy factor, expressed in pounds of clothes per kilowatt-
hour, for clothes dryers shall be either the quotient of a 3-pound bone-
dry test load for compact dryers, as defined by 2.6.1 of appendix D to
this subpart or the quotient of a 7 pound bone-dry test load for
standard dryers, as defined by 2.6.2 of appendix D to this subpart, as
applicable, divided by the clothes dryer energy consumption per cycle,
as determined according to 4.1 for electric clothes dryers and 4.6 for
gas clothes dryers of appendix D to this subpart, the resulting quotient
then being rounded off to the nearest hundredth (.01).
(3) Other useful measures of energy consumption for clothes dryers
shall be those measures of energy consumption for clothes dryers which
the Secretary determines are likely to assist consumers in making
purchasing decisions and which are derived from the application of
appendix D to this subpart.
[[Page 112]]
(e) Water Heaters. (1) The estimated annual operating cost for water
heaters shall be--
(i) For a gas or oil water heater, the product of the annual energy
consumption, determined according to section 6.1.8 or 6.2.5 of appendix
E of this subpart, times the representative average unit cost of gas or
oil, as appropriate, in dollars per Btu as provided by the Secretary,
the resulting product then being rounded off to the nearest dollar per
year.
(ii) For an electric water heater, the product of the annual energy
consumption, determined according to section 6.1.8 or 6.2.5 of appendix
E of this subpart, times the representative average unit cost of
electricity in dollars per kilowatt-hour as provided by the Secretary,
divided by 3412 Btu per kilowatt-hour, the resulting quotient then being
rounded off to the nearest dollar per year.
(2) The energy factor for the water heaters shall be--
(i) For a gas or oil water heater, as determined by section 6.1.7 or
6.2.4 of appendix E of this subpart rounded off to the nearest 0.01.
(ii) For an electric water heater, as determined by section 6.1.7 or
6.2.4 of appendix E of this subpart rounded off to the nearest 0.01.
(3) Other useful measures of energy consumption for water heaters
shall be those measures of energy consumption for water heaters which
the Secretary determines are likely to assist consumers in making
purchasing decisions and which are derived from the application of
appendix E of this subpart.
(4) The alternative uniform test method for measuring the energy
consumption of untested water heaters shall be that set forth in section
7.0 of appendix E of this subpart.
(f) Room air conditioners. (1) The estimated annual operating cost
for room air conditioners, expressed in dollars per year, shall be
determined by multiplying the following three factors: (i) Electrical
input power in kilowatts as determined in accordance with 4.2 of
appendix F to this subpart, (ii) The representative average-use cycle of
750 hours of compressor operation per year, and (iii) A representative
average unit cost of electrical energy in dollars per kilowatt-hour as
provided by the Secretary, the resulting product then being rounded off
to the nearest dollar per year.
(2) The energy efficiency ratio for room air conditioners, expressed
in Btu's per watt-hour, shall be the quotient of: (i) The cooling
capacity in Btu's per hour as determined in accordance with 4.1 of
appendix F to this subpart divided by: (ii) The electrical input power
in watts as determined in accordance with 4.2 of appendix F to this
subpart the resulting quotient then being rounded off to the nearest 0.1
Btu per watt-hour.
(3) The average annual energy consumption for room air conditioners,
expressed in kilowatt-hours per year, shall be determined by multiplying
together the following two factors: (i) Electrical input power in
kilowatts as determined in accordance with 4.2 of appendix F to this
subpart, and (ii) A representative average use cycle of 750 hours of
compressor operation per year, the resulting product then being rounded
off to the nearest kilowatt-hour per year.
(4) Other useful measures of energy consumption for room air
conditioners shall be those measures of energy consumption which the
Secretary determines are likely to assist consumers in making purchasing
decisions and which are derived from the application of appendix F to
this subpart.
(g) Unvented home heating equipment. (1) The estimated annual
operating cost for primary electric heaters, shall be the product of:
(i) The average annual electric energy consumption in kilowatt-hours per
year, determined according to section 3.1 of appendix G of this subpart
and (ii) the representative average unit cost in dollars per kilowatt-
hour as provided pursuant to section 323(b)(2) of the Act, the resulting
product then being rounded off to the nearest dollar per year.
(2) The estimated regional annual operating cost for primary
electric heaters, shall be the product of: (i) The regional annual
electric energy consumption in kilowatt-hours per year for primary
heaters determined according to section 3.2 of appendix G of this
subpart and (ii) the representative average unit cost in dollars per
kilowatt-hour
[[Page 113]]
as provided pursuant to section 323(b)(2) of the Act, the resulting
product then being rounded off to the nearest dollar per year.
(3) The estimated operating cost per million Btu output shall be--
(i) For primary and supplementary electric heaters and unvented gas
and oil heaters without an auxiliary electric system, the product of:
(A) One million; and (B) the representative unit cost in dollars per Btu
for natural gas, propane, or oil, as provided pursuant to section
323(b)(2) of the Act as appropriate, or the quotient of the
representative unit cost in dollars per kilowatt-hour, as provided
pursuant to section 323(b)(2) of the Act, divided by 3,412 Btu per
kilowatt hour, the resulting product then being rounded off to the
nearest 0.01 dollar per million Btu output; and
(ii) For unvented gas and oil heaters with an auxiliary electric
system, the product of: (A) The quotient of one million divided by the
rated output in Btu's per hour as determined in 3.4 of appendix G of
this subpart; and (B) the sum of: (1) The product of the maximum fuel
input in Btu's per hour as determined in 2.2. of this appendix times the
representative unit cost in dollars per Btu for natural gas, propane, or
oil, as appropriate, as provided pursuant to section 323(b)(2) of the
Act, plus (2) the product of the maximum auxiliary electric power in
kilowatts as determined in 2.1 of appendix G of this subpart times the
representative unit cost in dollars per kilowatt-hour as provided
pursuant to section 323(b)(2) of the Act, the resulting quantity shall
be rounded off to the nearest 0.01 dollar per million Btu output.
(4) The rated output for unvented heaters is the rated output as
determined according to either sections 3.3 or 3.4 of appendix G of this
subpart, as appropriate, with the result being rounded to the nearest
100 Btu per hour.
(5) Other useful measures of energy consumption for unvented home
heating equipment shall be those measures of energy consumption for
unvented home heating equipment which the Secretary determines are
likely to assist consumers in making purchasing decisions and which are
derived from the application of appendix G of this subpart.
(h) Television sets. (1) The estimated average annual operating cost
for television sets shall be the product of:
(i) The average annual energy consumed by the television set in
kilowatt-hours per year, determined according to 3.0 of appendix H of
this subpart, and
(ii) The representative average unit cost of energy in dollars per
kilowatt-hour as provided by the Secretary, the resulting product then
being rounded off to the nearest dollar per year.
(2) The receiver energy efficiency factor for television sets shall
be:
(i) For color television sets, the product of the estimated minimum
power requirement (.130 kilowatts) and the average annual hours of use
(2,200 hr/yr.), divided by the average annual energy consumed by the
television set in kilowatt-hours per year, determined according to 3.0
of appendix H to this subpart. The resultant is then multiplied by 100
and expressed as a percent.
(ii) For monochrome television sets, the product of the estimated
minimum power requirement (.040 kilowatts) and the average annual hours
of use (2,200 hr/yr.), divided by the average annual energy consumed by
the television set in kilowatt-hours per year determined according to
3.0 of appendix H of this subpart. The result is then multiplied by 100
and expressed as a percent.
(3) Other useful measures of energy consumption for televison sets
shall be those measures of energy consumption for television sets which
the Secretary determines are likely to assist consumers in making
purchasing decisions and which are derived from the application of
appendix H of this subpart.
(i) Kitchen ranges and ovens. (1) The estimated annual operating
cost for conventional ranges, conventional cooking tops, conventional
ovens, microwave ovens, and microwave/conventional ranges shall be the
sum of the following products: (i) The total annual electrical energy
consumption for any electrical energy usage, in kilowatt-hours (kWh's)
per year, times the representative average unit cost for electricity, in
dollars per kWh, as provided pursuant to section 323(b)(2) of the Act;
plus (ii) the total annual gas
[[Page 114]]
energy consumption for any natural gas usage, in British thermal units
(Btu's) per year, times the representative average unit cost for natural
gas, in dollars per Btu, as provided pursuant to section 323(b)(2) of
the Act; plus (iii) the total annual gas energy consumption for any
propane usage, in Btu's per year, times the representative average unit
cost for propane, in dollars per Btu, as provided pursuant to section
323(b)(2) of the Act. The total annual energy consumption for
conventional ranges, conventional cooking tops, conventional ovens,
microwave ovens, and microwave/conventional ranges shall be as
determined according to 4.3, 4.2.2, 4.1.2, and 4.4.3, respectively, of
appendix I to this subpart. The estimated annual operating cost shall be
rounded off to the nearest dollar per year, except for microwave ovens,
for which the estimated annual operating cost shall be rounded off to
the nearest one-quarter of a dollar per year.
(2) The cooking efficiency for conventional cooking tops,
conventional ovens, and microwave ovens shall be the ratio of the
cooking energy output for the test to the cooking energy input for the
test, as determined according to 4.2.1, 4.1.3, and 4.4.4, respectively,
of appendix I to this subpart. The final cooking efficiency values shall
be rounded off to three significant digits.
(3) [Reserved]
(4) The energy factor for conventional ranges, conventional cooking
tops, conventional ovens, microwave ovens, and microwave/conventional
ranges shall be the ratio of the annual useful cooking energy output to
the total annual energy input, as determined according to 4.3, 4.2.3,
4.1.4, 4.4.5, respectively, of Appendix I to this subpart. The final
energy factor values shall be rounded off to three significant digits.
(5) There shall be two estimated annual operating costs, two cooking
efficiencies, and two energy factors for convertible cooking
appliances--(i) an estimated annual operating cost, a cooking efficiency
and an energy factor which represent values for those three measures of
energy consumption for the operation of the appliance with natural gas;
and (ii) an estimated annual operating cost, a cooking efficiency and an
energy factor which represent values for those three measures of energy
consumption for the operation of the appliance with LP-gas.
(6) The estimated annual operating cost for convertible cooking
appliances which represents natural gas usage, as described in paragraph
(i)(5)(i) of this section, shall be determined according to paragraph
(i)(1) of this section using the total annual gas energy consumption for
natural gas times the representative average unit cost for natural gas.
(7) The estimated annual operating cost for convertible cooking
appliances which represents LP-gas usage, as described in paragraph
(i)(5)(ii) of this section, shall be determined according to paragraph
(i)(1) of this section using the representative average unit cost for
propane times the total annual energy consumption of the test gas,
either propane or natural gas.
(8) The cooking efficiency for convertible cooking appliances which
represents natural gas usage, as described in paragraph (i)(5)(i) of
this section, shall be determined according to paragraph (i)(2) of this
section when the appliance is tested with natural gas.
(9) The cooking efficiency for convertible cooking appliances which
represents LP-gas usage, as described in paragraph (i)(5)(ii) of this
section, shall be determined according to paragraph (i)(2) of this
section, when the appliance is tested with either natural gas or
propane.
(10) The energy factor for convertible cooking appliances which
represents natural gas usage, as described in paragraph (i)(5)(i) of
this section, shall be determined according to paragraph (i)(4) of this
section when the appliance is tested with natural gas.
(11) The energy factor for convertible cooking appliances which
represents LP-gas usage, as described in paragraph (i)(5)(ii) of this
section, shall be determined according to paragraph (i)(4) of this
section when the appliance is tested with either natural gas or propane.
(12) Other useful measures of energy consumption for conventional
ranges,
[[Page 115]]
conventional cooking tops, conventional ovens, microwave ovens and
microwave/conventional ranges shall be those measures of energy
consumption which the Secretary determines are likely to assist
consumers in making purchasing decisions and which are derived from the
application of appendix I to this subpart.
(j) Clothes washers. (1) The estimated annual operating cost for
automatic and semi-automatic clothes washers shall be--
(i) When electrically heated water is used, the product of the
following three factors:
(A) The representative average-use of 392 cycles per year,
(B) The total per-cycle energy consumption in kilowatt-hours per
cycle determined according to 4.1.6 of appendix J before appendix J1
becomes mandatory and 4.1.7 of appendix J1 when appendix J1 becomes
mandatory, (see the note at the beginning of appendix J1), and
(C) The representative average unit cost in dollars per kilowatt-
hour as provided by the Secretary, the resulting product then being
rounded off to the nearest dollar per year, and
(ii) When gas-heated or oil-heated water is used, the product of:
the representative average-use of 392 cycles per year and the sum of
both:
(A) The product of the per-cycle machine electrical energy
consumption in kilowatt-hours per cycle, determined according to 4.1.5
of appendix J before the date that appendix J1 to the subpart becomes
mandatory or 4.1.6 of appendix J1 upon the date that appendix J1 to this
subpart becomes mandatory, and the representative average unit cost in
dollars per kilowatt-hours as provided by the Secretary, and
(B) The product of the per-cycle water energy consumption for gas-
heated or oil-heated water in BTU per cycle, determined according to
4.1.4 of appendix J before the date that appendix J1 becomes mandatory
or 4.1.4 of appendix J1 upon the date that appendix J1 to this subpart
becomes mandatory, and the representative average unit cost in dollars
per Btu for oil or gas, as appropriate, as provided by the Secretary,
the resulting product then being rounded off to the nearest dollar per
year.
(2)(i) The energy factor for automatic and semi-automatic clothes
washers is determined in accordance with 4.5 of appendix J before the
date that appendix J1 becomes mandatory or 4.5 of appendix J1 upon the
date that appendix J1 to this subpart becomes mandatory. The result
shall be rounded off to the nearest 0.01 cubic foot per kilowatt-hours.
(ii) The modified energy factor for automatic and semi-automatic
clothes washers is determined in accordance with 4.4 of appendix J
before the date that appendix J1 becomes mandatory or 4.4 of appendix J1
upon the date that appendix J1 to this subpart becomes mandatory. The
result shall be rounded off to the nearest 0.01 cubic foot per kilowatt-
hours.
(3) Other useful measures of energy consumption for automatic or
semi-automatic clothes washers shall be those measures of energy
consumption which the Secretary determines are likely to assist
consumers in making purchasing decisions and which are derived from the
application of appendix J before the date that appendix J1 becomes
mandatory or appendix J1 upon the date that appendix J1 to this subpart
becomes mandatory. In addition, the annual water consumption of a
clothes washer can be determined by the product of:
(A) The representative average-use of 392 cycles per year, and
(B) The total weighted per-cycle water consumption in gallons per
cycle determined according to 4.3.2 of appendix J before the date that
appendix J1 becomes mandatory or 4.2.2 of appendix J1 upon the date that
appendix J1 to this subpart becomes mandatory. The water consumption
factor can be determined in accordance with 4.3.3 of appendix J before
the date that appendix J1 becomes mandatory or 4.2.3 of appendix J1 upon
the date that appendix J1 to this subpart becomes mandatory. The
remaining moisture content can be determined in accordance with 3.3 of
appendix J before the date that appendix J1 becomes mandatory or 3.8 of
appendix J1 upon the date that appendix J1 to this subpart becomes
mandatory.
(k)-(l) [Reserved]
[[Page 116]]
(m) Central Air Conditioners. (1) The estimated annual operating
cost for cooling-only units and air-source heat pumps shall be one of
the following:
(i) For cooling-only units or the cooling portion of the estimated
annual operating cost for air-source heat pumps which provide both
heating and cooling, the product of: (A) The quotient of the cooling
capacity, in Btu's per hour, determined from the steady-state wet-coil
test (Test A) measured at the highest compressor speed, as described in
section 3.1 of appendix M to this subpart, divided by the seasonal
energy efficiency ratio, in Btu's per watt-hour, determined from section
5.1 of appendix M to this subpart; (B) the representative average use
cycle for cooling of 1,000 hours per year; (C) a conversion factor of
0.001 kilowatt per watt; and (D) the representative average unit cost of
electricity in dollars per kilowatt-hour as provided pursuant to section
323(b)(2) of the Act, the resulting product then being rounded off to
the nearest dollar per year;
(ii) For air-source heat pumps which provide only heating or the
heating portion of the estimated annual operating cost for air-source
heat pumps which provide both heating and cooling, the product of: (A)
The quotient of the standardized design heating requirement, in Btu's
per hour, nearest to the capacity measured in the high temperature test,
determined in sections 5.2 and 6.2.6 of appendix M to this subpart,
divided by the heating seasonal performance factor, in Btu's per watt-
hour, calculated for heating region IV corresponding to the above
mentioned standardized design heating requirement determined from
section 5.2 of appendix M to this subpart; (B) the representative
average use cycle for heating of 2,080 hours per year; (C) the
adjustment factor of 0.77 which serves to adjust the calculated design
heating requirement and heating load hours to the actual load
experienced by a heating system; (D) a conversion factor of 0.001
kilowatt per watt; and (E) the representative average unit cost of
electricity in dollars per kilowatt-hour as provided pursuant to section
323(b)(2) of the Act, the resulting product then being rounded off to
the nearest dollar per year; or
(iii) For air-source heat pumps which provide both heating and
cooling, the estimated annual operating cost is the sum of the quantity
determined in paragraph (m)(1)(i) of this section added to the quantity
determined in paragraph (m)(1)(ii) of this section.
(2) The estimated regional annual operating cost for cooling-only
units and for air-source heat pumps shall be one of the following:
(i) For cooling-only units or the cooling portion of the estimated
regional annual operating cost for air-source heat pumps which provide
both heating and cooling, the product of: (A) The quotient of the
cooling capacity, in Btu's per hour, determined from the steady-state
wet-coil test (Test A) measured at the highest compressor speed, as
described in section 3.1 of appendix M to this subpart, divided by the
seasonal energy efficiency ratio, in Btu's per watt-hour, determined
from section 5.1 of appendix M to this subpart; (B) the estimated number
of regional cooling load hours per year determined from section 6.1.3 of
appendix M to this subpart; (C) a conversion factor of 0.001 kilowatts
per watt; and (D) the representative average unit cost of electricity in
dollars per kilowatt-hour as provided pursuant to section 323(b)(2) of
the Act, the resulting product then being rounded off to the nearest
dollar per year;
(ii) For air-source heat pumps which provide only heating or the
heating portion of the estimated regional annual operating cost for air-
source heat pumps which provide both heating and cooling, the product
of: (A) The quotient of the standardized design heating requirement, in
Btu's per hour, nearest to the capacity measured in the high temperature
test (Test A), determined in sections 5.2 and 6.2.6 of appendix M to
this subpart, divided by the heating seasonal performance factor, in
Btu's per watt-hour, calculated for the appropriate region of interest
and corresponding to the above mentioned standardized design heating
requirement determined from section 5.2 of appendix M to this subpart;
(B) the estimated number of regional heating load hours per year
determined from section 6.2.5 of appendix M to this subpart; (C) the
adjustment factor of 0.77
[[Page 117]]
which serves to adjust the calculated design heating requirement and
heating load hours to the actual load experienced by a heating system;
(D) a conversion factor of 0.001 kilowatts per watt; and (E) the
representative average unit cost of electricity in dollars per kilowatt-
hour as provided pursuant to section 323(b)(2) of the Act, the resulting
product then being rounded off to the nearest dollar per year; or
(iii) For air-source heat pumps which provide both heating and
cooling, the estimated regional annual operating cost is the sum of the
quantity determined in paragraph (m)(3)(i) of this section added to the
quantity determined in paragraph (m)(3)(ii) of this section.
(3) The measure(s) of efficiency for cooling-only units and air-
source heat pumps shall be one or more of the following:
(i) The seasonal energy efficiency ratio for cooling-only units and
air-source heat pumps which provide cooling shall be the seasonal energy
efficiency ratio, in Btu's per watt-hour, determined according to
section 5.1 of appendix M to this subpart, rounded off to the nearest
0.05.
(ii) The heating seasonal performance factors for air-source heat
pumps shall be the heating seasonal performance factors, in Btu's per
watt-hour, determined according to section 5.2 of appendix M to this
subpart for each applicable standardized design heating requirement
within each climatic region, rounded off to the nearest 0.05.
(iii) The annual performance factors for air-source heat pumps which
provide heating and cooling, shall be the annual performance factors, in
Btu's per watt-hour, determined according to section 5.3 of appendix M
to this subpart for each standardized design heating requirement within
each climatic region, rounded off to the nearest 0.05.
(4) Other useful measures of energy consumption for central air
conditioners shall be those measures of energy consumption which the
Secretary of Energy determines are likely to assist consumers in making
purchasing decisions and which are derived from the application of
appendix M to this subpart.
(5) After September 12, 1988, all measures of energy consumption
shall be determined by the test method as set forth in appendix M to
this subpart; or by an alternate rating method set forth in Sec.
430.23(m)(4) as approved by the Assistant Secretary for Conservation and
Renewable Energy in accordance with Sec. 430.23(m)(5).
(n) Furnaces. (1) The estimated annual operating cost for furnaces
is the sum of: (i) The product of the average annual fuel energy
consumption, in Btu's per year for gas or oil furnaces or in kilowatt-
hours per year for electric furnaces, determined according to section
10.2.2 or 10.3 of appendix N of this subpart, respectively, and the
representative average unit cost in dollars per Btu for gas or oil, or
dollars per kilowatt-hour for electric, as appropriate, as provided
pursuant to section 323(b)(2) of the Act, plus (ii) the product of the
average annual auxiliary electric energy consumption in kilowatt-hours
per year determined according to section 10.2.3 of appendix N of this
subpart, and the representative average unit cost in dollars per
kilowatt-hour as provided pursuant to section 323(b)(2) of the Act, the
resulting sum then being rounded off to the nearest dollar per year.
(For furnaces which operate with variable inputs, an estimated annual
operating cost is to be calculated for each degree of oversizing
specified in section 10 of appendix N of this subpart.)
(2) The annual fuel utilization efficiency for furnaces, expressed
in percent, is the ratio of annual fuel output of useful energy
delivered to the heated space to the annual fuel energy input to the
furnace determined according to section 10.1 of appendix N of this
subpart for gas and oil furnaces and determined in accordance with
section 11.1 of American National Standards Institute/American Society
of Heating, Refrigerating, and Air-Conditioning Engineers (ANSI/ASHRAE)
Standard 103-1993 for electric furnaces.
(3) The estimated regional annual operating cost for furnaces is the
sum of: (i) The product of the regional annual fuel energy consumption
in Btu's per year for gas or oil furnaces or in kilowatt-hours per year
for electric furnaces, determined according to section
[[Page 118]]
10.5.1 or 10.5.3 of appendix N of this subpart, respectively, and the
representative average unit cost in dollars per Btu for gas or oil, or
dollars per kilowatt-hour for electric, as appropriate, as provided
pursuant to section 323(b)(2) of the Act, plus (ii) the product of the
regional annual auxiliary electrical energy consumption in kilowatt-
hours per year, determined according to section 10.5.2 of appendix N of
this subpart, and the representative average unit cost in dollars per
kilowatt-hour as provided pursuant to section 323(b)(2) of the Act, the
resulting sum then being rounded off to the nearest dollar per year.
(4) The energy factor for furnaces, expressed in percent, is the
ratio of annual fuel output of useful energy delivered to the heated
space to the total annual energy input to the furnace determined
according to section 10.4 of appendix N of this subpart.
(5) Other useful measures of energy consumption for furnaces shall
be those measures of energy consumption which the Secretary determines
are likely to assist consumers in making purchasing decisions and which
are derived from the application of appendix N of this subpart.
(o) Vented home heating equipment.
(1) The annual fuel utilization efficiency for vented home heating
equipment, expressed in percent, which is the ratio of the annual fuel
output of useful energy delivered to the heated space to the annual fuel
energy input to the vented heater, shall be determined either according
to section 4.1.17 of appendix O of this subpart for vented heaters
without either manual controls or thermal stack dampers; according to
section 4.2.6 of appendix O of this subpart for vented heaters equipped
with manual controls; or according to section 4.3.7 of appendix O of
this subpart for vented heaters equipped with thermal stack dampers.
(2) The estimated annual operating cost for vented home heating
equipment is the sum of: (i) The product of the average annual fuel
energy consumption, in Btu's per year for natural gas, propane, or oil
fueled vented home heating equipment, determined according to section
4.6.2 of appendix O of this subpart, and the representative average unit
cost in dollars per Btu for natural gas, propane, or oil, as
appropriate, as provided pursuant to section 323(b)(2) of the Act; plus
(ii) The product of the average annual auxiliary electric energy
consumption in kilowatt-hours per year determined according to section
4.6.3 of appendix O of this subpart, and the representative average unit
cost in dollars per kilowatt-hours as provided pursuant to section
323(b)(2) of the Act, the resulting sum then being rounded off to the
nearest dollar per year.
(3) The estimated operating cost per million Btu output for gas or
oil vented home heating equipment with an auxiliary electric system
shall be the product of: (A) The quotient of one million Btu divided by
the sum of: (1) The product of the maximum fuel input in Btu's per hour
as determined in 3.1.1 or 3.1.2 of appendix 0 of this subpart times the
annual fuel utilization efficiency in percent as determined in 4.1.17,
4.2.6, or 4.3.7 of this appendix as appropriate divided by 100, plus (2)
the product of the maximum electric power in watts as determined in
3.1.3 of appendix 0 of this subpart times the quantity 3.412; and (B) of
the sum of: (1) the product of the maximum fuel input in Btu's per hour
as determined in 3.1.1 of this appendix times the representative unit
cost in dollars per Btu for natural gas, propane, or oil, as
appropriate, as provided pursuant to section 323(b)(2) of the Act; plus
(2) the product of the maximum auxiliary electric power in kilowatts as
determined in 3.1.3 of appendix O of this subpart times the
representative unit cost in dollars per kilowatt-hour as provided
pursuant to section 323(b)(2) of the Act, the resulting quantity shall
be rounded off to the nearest 0.01 dollar per million Btu output.
(4) Other useful measures of energy consumption for vented home
heating equipment shall be those measures of energy consumption which
the Secretary determines are likely to assist consumers in making
purchasing decisions and which are derived from the application of
appendix O of this subpart.
(p) Pool heaters. (1) The estimated annual operating cost for pool
heaters is the sum of:
[[Page 119]]
(i) The product of the average annual fuel energy consumption, in
Btu's per year, of natural gas or oil fueled pool heaters, determined
according to section 4.2 of appendix P of this subpart, and the
representative average unit cost in dollars per Btu for natural gas or
oil, as appropriate, as provided pursuant to section 323(b)(2) of the
Act; plus
(ii) The product of the average annual auxiliary electric energy
consumption in kilowatt-hours per year determined according to section
4.3 of appendix P of this subpart, and the representative average unit
cost in dollars per kilowatt-hours as provided pursuant to section
323(b)(2) of the Act, the resulting sum then being rounded off to the
nearest dollar per year.
(2) The thermal efficiency of pool heaters, expressed as a percent,
shall be determined in accordance with section 4 of appendix P to this
subpart.
(q) Fluorescent Lamp Ballasts. (1) The Estimated Annual Energy
Consumption (EAEC) for fluorescent lamp ballasts, expressed in kilowatt-
hours per year, shall be the product of: (i) The input power in
kilowatts as determined in accordance with section 3.3.1 of appendix Q
to this subpart and (ii) the representative average use cycle of 1,000
hours per year, the resulting product then being rounded off to the
nearest kilowatt-hour per year.
(2) Ballast Efficacy Factor (BEF) shall be as determined in section
4.2 of appendix Q of this subpart.
(3) The Estimated Annual Operating Cost (EAOC) for fluorescent lamp
ballasts, expressed in dollars per year, shall be the product of: (i)
The representative average unit energy cost of electricity in dollars
per kilowatt-hour as provided by the Secretary, (ii) the representative
average use cycle of 1,000 hours per year, and (iii) the input power in
kilowatts as determined in accordance with section 3.3.1 of appendix Q
to this subpart, the resulting product then being rounded off to the
nearest dollar per year.
(4) Other useful measures which may be applicable. [Reserved]
(r) General Service Fluorescent Lamps and General Service
Incandescent Lamps.
(1) The estimated annual energy consumption for general service
fluorescent lamps and incandescent reflector lamps, expressed in
kilowatt-hours per year, shall be the product of the input power in
kilowatts as determined in accordance with section 4 of Appendix R to
this subpart and an average annual use specified by the manufacturer,
with the resulting product rounded off to the nearest kilowatt-hour per
year. Manufacturers must provide a clear and accurate description of the
assumptions used for the estimated annual energy consumption.
(2) The lamp efficacy for general service fluorescent lamps shall be
equal to the average lumen output divided by the average lamp wattage as
determined in section 4 of Appendix R of this subpart, with the
resulting quotient rounded off to the nearest lumen per watt.
(3) The lamp efficacy for incandescent reflector lamps shall be
equal to the average lumen output divided by the average lamp wattage as
determined in section 4 of Appendix R of this subpart, with the
resulting quotient rounded off to the nearest tenth of a lumen per watt.
(4) The color rendering index of a general service fluorescent lamp
shall be tested and determined in accordance with section 4.5 of
Appendix R of this subpart and rounded off to the nearest unit.
(s) Faucets. The maximum permissible water use allowed for lavatory
faucets, lavatory replacement aerators, kitchen faucets, and kitchen
replacement aerators, expressed in gallons and liters per minute (gpm
and L/min), shall be measured in accordance to section 2(a) of Appendix
S of this subpart. The maximum permissible water use allowed for
metering faucets, expressed in gallons and liters per cycle (gal/cycle
and L/cycle), shall be measured in accordance to section 2(a) of
Appendix S of this subpart.
(t) Showerheads. The maximum permissible water use allowed for
showerheads, expressed in gallons and liters per minute (gpm and L/min),
shall be measured in accordance to section 2(b) of Appendix S of this
subpart.
(u) Water closets. The maximum permissible water use allowed for
water closets, expressed in gallons and liters
[[Page 120]]
per flush (gpf and Lpf), shall be measured in accordance to section 3(a)
of Appendix T of this subpart.
(v) Urinals. The maximum permissible water use allowed for urinals,
expressed in gallons and liters per flush (gpf and Lpf), shall be
measured in accordance to section 3(b) of Appendix T of this subpart.
[42 FR 27898, June 1, 1977]
Editorial Note: For Federal Register citations affecting Sec.
430.23, see the List of CFR Sections Affected, which appears in the
Finding Aids section of the printed volume and on GPO Access.