3 Reasons Your Furnace Is Not Supplying Heat


No one likely wants to experience the inconvenience of not having heat in frigid temperatures. However, it can happen when you least expect it. Proper HVAC maintenance can reduce the chances of this occurring. A common sign that something is wrong is when a furnace will not run its course. It may shut off after a few minutes despite the desired temperature not being reached. This repeated cycle of trying to keep the furnace on can cause panic and frustration. The following points will help you to understand some common causes of furnaces not staying on.

Filter Issue

If you have not changed your air filter in a while, then you should check it first. It may have accumulated dust and other debris, which can impede airflow. Some furnaces are designed to shut off if they detect restricted airflow. This is a safety feature that is designed to reduce the chances of a furnace fire occurring.

Clogged filters can cause overheating since the hot air cannot escape. When the furnace shuts off, it cools off. Once cooled, it may turn back on automatically and shut off again when it overheats. The easy fix for a clogged filter is to change the filter for safety reasons and to protect your furnace against damages.

Thermostat Issues

Another family member may have changed your thermostat settings. Check to ensure that it is set to the temperature you prefer. If you have a programmable thermostat, then you may want to double-check that the settings have not been altered to delay the heating system from igniting. You may also have a faulty thermostat that needs to get replaced or calibrated. 

Pilot Light

You can peer into your furnace to determine if the pilot light is on. If it is not on, you will hear your furnace make the usual clicking noise in an attempt to ignite. You will need to get light the pilot light to get the furnace working. If you see the pilot light on, but it goes on and off and never stays lit, you may need to get a heating installation service involving a replacement thermocouple.                 

An HVAC contractor is the best resource to use for troubleshooting furnace issues. They can determine whether a heating repair will fix your issue. Sometimes repairs may not be the best option due to the compared cost of a new heating installation. This might be the case if you have an old furnace that has reached the end of its lifecycle. Furnaces are appliances and like other appliances, at some point, they will need to be replaced.

To learn more about troubleshooting HVAC issues, contact heating installation services in your area. 


12 May 2020

cleaning the air in your home

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