When the thermostat says 72 but the living room feels closer to 80, the air conditioner is an easy target. Sometimes the HVAC system really does need service, but replacing an expensive AC unit before checking the rest of the house can be a costly mistake. ENERGY STAR specifically recommends addressing major air leaks and duct problems before investing in replacement equipment because those issues can be the real source of comfort problems. Sunlight, humidity, insulation, air leakage, ducts, and even everyday appliances can all contribute to things making your house hotter. Before assuming your AC is failing, investigate these seven common culprits.
