Use the same maintenance steps we show here. If your furnace looks different from the one shown or you have a heat pump, use the owner’s manual to find your way around it. The basic parts will be the ...

like this solar-powered vent from EcoHouse, feature an electric- or solar-powered fan that pulls air out of the attic. A ...

An attic fan can increase ventilation, reduce moisture buildup, and decrease the home’s interior temperature. Attic fan installation costs between $369 and $913, with a national average of $624.

They can be centrally cooled with mini-duct systems in which an evaporator coil, fan and trunk duct are located in the attic ... near a dryer vent, check it weekly. + Check the air filter monthly ...

That latter tip seemed excessive, but I had never lived in a home with central air as an adult, so I nodded and went to Home Depot, bought a filter sized to my return air vent, and installed it.

They also help circulate stagnant, hot air stored in the upper parts of the ceiling. “They’re very effective,” Miranda says, “though some are very 1970s.” Getting a ceiling fan doesn’t ...