Why Is My Furnace Overheating in Ladson, SC?

Having a properly working furnace is crucial during the winter months in Ladson, SC. It’s extremely frustrating when you want to heat your home but notice your HVAC system is overheating instead. Here are several reasons why your furnace may be overheating.

Thermostat Issues

When your thermostat doesn’t properly communicate with your heating system, it may turn on more frequently than needed. This issue, known as short cycling, can cause your furnace to overheat.

Restricted Airflow

Restricted airflow is another common reason for furnaces to overheat. Check your HVAC system for dirty or clogged air filters.

If your filters look good, make sure your vents and registers are open and unblocked. Also, ensure you’re not covering your vents with large furniture items as this can also restrict airflow.

Dirty or Faulty Components

An HVAC system contains many intricate parts that can accumulate dirt and debris. Keep critical components, such as burners and heat exchangers, free from debris to ensure that your furnace doesn’t overheat.

Gas Valve Issues

Faulty gas valves are another issue that can cause your heating system to overheat. Partially blocked gas valves can negatively affect the fuel supply to the burners, causing your HVAC to overheat. If you suspect your gas valves are an issue with your furnace, contact a professional to inspect your HVAC system.

The Age of Your Furnace

Unfortunately, heating system don’t last forever and mechanical failures are bound to happen. Normal wear and tear over the years causes critical components, such as electrical wiring and the blower fan, to eventually break down. If your heating system is getting up there in age, the breakdown of components can cause your heating system to overheat.

Dealing with an overheating furnace during the winter months isn’t how you want to spend your winter. If you are experiencing an overheating furnace, contact us at AC Heating and Air Conditioning Services to schedule an appointment to address your furnace issues.

Image provided by iStock

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