What Makes a Furnace Keep Running?

What Makes a Furnace Keep Running?

Modifying your thermostat settings or changing your air filter will sometimes solve this issue. When your heater won't turn off, though, you might require a specialist.

Replace the Fan Limit Switch

The compressor motor in your furnace is managed by the furnace fan limit switch. When a switch breaks, your furnace may seem to be running all the time, even though it's just the blower that's running.


If there is an issue with the limit switch, you will receive a furnace error code. A red light that is blinking on the front of your heating system will be your furnace's voice.

Any problems you may be having with your furnace's blower motor can be identified and resolved by our experts. Sometimes, you may need to replace the fan switch, bad wiring, or the control board.

Faulty Thermostat

Your thermostat may need to be changed if it breaks down over time, just like other components in your house can. Inquire with us about getting a smart thermostat if it's time for a replacement.


Since they create an energy-efficient heating and cooling schedule depending on your needs, these thermostats make it simple to conserve electricity. Additionally, your phone will allow you to control and monitor your thermostat from anywhere.

Air Ducts Are Leaking

To distribute hot air to vents throughout your house, your furnace uses ductwork. Older homes or ductwork may leak hot air into the attic, which would cause your furnace to run continuously.

It might be challenging to locate this leaking ductwork and other airflow issues on your own because it is hidden behind walls and ceilings. Any air duct repair work that you need can be diagnosed and taken care of by our Experts.

For All Your Furnace Repair Needs, Trust Our Experts.

Troubleshooting furnace issues can be irritating, especially if they have an impact on your comfort, energy usage, and heating costs. There's a reason we claim to be experts in our field when it comes to furnaces. Our ACE-certified specialists will take care of any issue swiftly and affordably. And what's even better is that we offer a one-year, 100% satisfaction guarantee on all HVAC system repairs.

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