5.3 : Heating, Cooling, and Ventilation Equipment




5.3.13 Main Commercial Primary Energy Use of Heating and Cooling Equipment as of 1995
Heating Equipment | Cooling Equipment
Packaged Heating Units 25% | Packaged Air Conditioning Units 54%
Boilers 21% | Room Air Conditioning 5%
Individual Space Heaters 2% | PTAC (2) 3%
Furnaces 20% | Centrifugal Chillers 14%
Heat Pumps 5% | Reciprocating Chillers 12%
District Heat 7% | Rotary Screw Chillers 3%
Unit Heater 18% | Absorption Chillers 2%
PTHP & WLHP (1) 2% | Heat Pumps 7%
100% | 100%
Note(s): 1) PTHP = Packaged Terminal Heat Pump, WLHP = Water Loop Heat Pump. 2) PTAC = Packaged Terminal Air Conditioner









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Sources:

BTS/A.D. Little, Energy Consumption Characteristics of Commercial Building HVAC Systems, Volume 1: Chillers, Refrigerant Compressors, and Heating Systems, Apr. 2001, Figure 5-5, p. 5-14 for cooling and Figure 5-10, p. 5-18 for heating