Why’s My Furnace in Lincoln, CA, Not Blowing Warm Air?

A problem with the components of your heating system may lead to blowing of cold air. Failure of the high limit switch, wear of the air ducts and issues with the pilot light are among the factors that may affect your system’s functionality. Below are some of the reasons your furnace in Lincoln, CA, isn’t blowing warm air.

Thermostat Issues

Thermostats are important in switching on the heating operation of the furnace and temperature regulation. Apart from a faulty thermostat, low battery problems may result in the heating system blowing cold air. Ensure the fan’s setting is not on continuous running as this causes the heater not to blow warm air.

Clogged and Dirty Filters

Furnace filters help in trapping dirt and dust. When these filters get clogged and dirty, they restrict the flow of air to the heating system, affecting its ability to warm the room effectively. Cleaning the filters and frequently changing them helps resolve the problem.

Dirty Condensate Lines

The condensate lines are instrumental in removing dripping water from the condensing unit to the drains. These lines may get clogged with dirt and debris, resulting in the tripping of the float switch, which shuts down your system. Your furnace blows cold air when this blockage occurs, so keep them clean and open and conduct any necessary repairs.

Problem With the Gas Valve

Faulty gas valves result in the furnace blowing cold air. The gas valves collect debris and dirt over time, which may result in them shutting down. Clean the valves thoroughly and check for signs of the valve having worn out for professional replacement.

Issue With the Furnace Burner

Furnace burners need to be clean at all times to allow for efficient passage of fuel. Accumulated dirt and grime may result in the fan blowing cold air into the room. Contact a certified service technician to help clean it and remove any clogging.

Effectiveness of the furnace is dependent upon proper maintenance and servicing. Contact Jaguar Heating & Air for effective furnace installation and maintenance services


Image provided by iStock

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