Key Points Check thermostat settings, filters, and fuel supply first when your furnace blows cold air.Call an HVAC technician for issues like sensor failures, clogged burners, or duct leaks.Skipping ...
Better Homes and Gardens on MSN
10 Signs Your Heater Isn’t Working as Well as It Could (and How to Fix It)
Find out how to repair your heater, instead of replacing it for a costly price. While some areas of the country can get by ...
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