Source: U.S. Energy Information Administration, 2015 Residential Energy Consumption Survey Note: Climate regions based on Department of Energy Building America climate regions . Air-conditioning equipment is used in 87% of homes in the United States and, according to the latest EIA Residential Energy Consumption Survey (RECS), home air-conditioning costs averaged $265 in 2015, or 12% of total home energy expenditures. Air-conditioning costs ranged from an average of $525 in the hot-humid region in the Southeast to about $60 in the temperate marine region along the West Coast. The more moderate mixed-humid region, where home air-conditioning costs averaged $262, was closest to the national average. The average U.S. household spent $1,856 on home energy bills in 2015. Although air conditioning accounted for 12% of total household energy costs (and 17% of electricity expenditures) at the national level, some regions use much more air conditioning. In the hot-humid region, where air […]