Wondering why your thermostat is set on low, but your heating bills come in high? If you’ve already sealed up air leaks and beefed up your insulation as needed, the problem could be a poorly functioning heating system, very leaky ducts, or even a faulty thermostat.
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U.S. Department of Energy/Energy Efficiency and Renewable Energy:
A forced-air heating system includes a heat source (usually a furnace or heat pump), a fan, and a duct distribution system with openings serving every room. It also needs a duct to return air to the…Continue
Started by Home Energy Saver. Last reply by terence donovan Apr 24, 2014.