5.3 : Heating, Cooling, and Ventilation Equipment




5.3.11 Main Residential Heating Equipment as of 1987, 1993, 1997, 2001, and 2005 (Percent of Total Households)
Equipment Type 1987 1993 1997 2001 2005
Natural Gas 55% 53% 53% 55% 52%
Central Warm-Air Furnace 35% 36% 38% 42% 40%
Steam or Hot-Water System 10% 9% 7% 7% 7%
Floor/Wall/Pipeless Furnace 6% 4% 4% 3% 2%
Room Heater/Other 4% 3% 4% 3% 3%
Electricity 20% 26% 29% 29% 30%
Central Warm-Air Furnace 8% 10% 11% 12% 14%
Heat Pump 5% 8% 10% 10% 8%
Built-In Electric Units 6% 7% 7% 6% 5%
Other 1% 1% 2% 2% 1%
Fuel Oil 12% 11% 9% 7% 7%
Steam or Hot-Water System 7% 6% 5% 4% 4%
Central Warm-Air Furnace 4% 5% 4% 3% 3%
Other 1% 0% 0% 0% 0%
Other 13% 11% 9% 8% 10%
Total 100% 100% 100% 100% 100%
Note(s): Other equipment includes wood, LPG, kerosene, other fuels, and none.









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