Why Heat Pump Blows Cold Air Sometimes in Hatfield, MA; Reversing Valve, Freezing Up & More
During the cold winter season if you have had a heating system blow out cold air, then this is a sign there could be a problem. In some cases the thermostat may have gotten bumped and was switched from heat to cool. If you’re feeling cold air, check the thermostat first. If the thermostat is…





