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Common Furnace Problems

Updated: Jul 25, 2023

Although the furnace in your home is built to last a long time, there is always the possibility that something could go wrong. Fortunately, most of the time, a furnace problem is relatively simple to resolve.

A qualified HVAC technician can tackle heating maintenance in Orange County, CA for you. Here are some of the most common furnace problems we see in the local area:


Not Producing Enough Heat

The furnace blows air throughout the house when the fan setting is switched on, but what happens if it's blowing out cool air?

If the thermostat is not switched on or set to "heat," your furnace may not generate heat. The temperature preset on the thermostat could also be set too low, therefore blowing out cooler air.

If you're worried about your furnace producing cold air, you should check the thermostat to ensure it's set to the correct temperature. If it’s still not working right, give us a call.


Short Cycling

A furnace should cycle on, heat the house to the appropriate temperature, then cycle off, depending on the temperature you set. When a furnace begins doing this for only a couple of minutes before turning off, it's called short cycling.

A lack of airflow in the furnace might be the reason for a short cycle. If you’re experiencing this in your home, calling in experts for heating maintenance in Orange County, CA, is a great next step.


Noisy Furnace

While all furnaces make some noise, loud sounds can indicate that something is wrong with the system and that the furnace should be evaluated, serviced, or replaced.

If your furnace is knocking or rattling it could mean that something has become loose and needs to be tightened. If your furnace is making a loud rumbling noise, this could also mean there is fuel left in the combustion chamber.


We Can Help!

At Coastal Heating and Cooling, our friendly and knowledgeable team can help you with all of your furnace needs. Feel free to give us a call if you’re experiencing any issues and we’ll be there to help in no time!

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