Why Is My Heating System Blowing Cold Air?

November 7, 2019

Ever turn your heat on or have the system kick on only to experience cold air blowing from the registers? It is an awful experience that many homeowners will encounter at least once in their lives. Let us look at some of the common reasons your heating equipment may be blowing cold air. Initial Cool Air Don’t fret if you get an initial flow of cool air when turning your heating on. This is especially true if the furnace has been off for an extended period of time. The air handler kicks on first, and as soon as the system heats up, the problem will go away. Thermostat Fan Setting A common problem in Louisville encounters when performing heating repairs is the fan switch on the thermostat having been accidentally positioned to ON rather than AUTO. When the thermostat stops the heat because the target temperature is reached, the fan continues to blow. By switching it back to AUTO, you ensure that the fan is only engaged when the heat is on. Check the Furnace Filter Check the furnace filter near the heat exchanger. If the filter is too dirty, it can impede airflow causing the exchanger to overheat. When...

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