[Code of Federal Regulations] [Title 46, Volume 1] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR32.40-50] [Page 431] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 32_SPECIAL EQUIPMENT, MACHINERY, AND HULL REQUIREMENTS--Table Subpart 32.40_Accommodations for Officers and Crew Sec. 32.40-50 Heating and cooling--T/ALL. (a) All manned spaces must be adequately heated and cooled in a manner suitable to the purpose of the space. (b) The heating and cooling system for accommodations must be capable of maintaining a temperature of 21 [deg]C (70 [deg]F) under normal operating conditions without curtailing ventilation. (c) Radiators and other heating apparatus must be so placed and shielded, where necessary, to avoid risk of fire, danger or discomfort to the occupants. Pipes leading to radiators or heating apparatus must be insulated where those pipes create a hazard to persons occupying the space.