"HVAC system" means the system or systems that provide, either collectively or individually, heating, ventilation, or air conditioning to a building, including the equipment, distribution network, and terminals.
N.H. Admin. Code § Env-A 4702.21
#9481, eff 5-23-09; ss by #10469, eff 1-1-14 (from Env-A 4702.20)