If you have a furnace that keeps turning on and off, or “short cycles,” it’s not only annoying, it’s costing you money in wasted energy. But there are solutions. Keep reading to learn what might be causing furnace short cycling and how you can fix it.
Dirty air filters can cause a furnace to short cycle.
One common reason for a furnace to short cycle is a dirty air filter. When the filter is dirty, it can’t do its job of trapping dirt and debris. A dirty air filter can cause the furnace to short cycle because it can’t get enough air to heat properly.
This will cause the furnace to run for a shorter amount of time, which will not heat the home as efficiently as it should. Additionally, a dirty air filter can also cause the furnace to overheat, which can lead to a fire. Therefore, it’s necessary to replace the air filter when it gets dirty in order to ensure the furnace is running safely and efficiently.
Short cycling may be caused by a clogged condensate line.
A clogged condensate line can prevent your furnace from properly draining, causing it to short cycle. If your furnace is short cycling and you have ruled out all of the other common causes, it’s possible that your condensate line is clogged. A clogged condensate line can be caused by a variety of things, including built-up sediment, a foreign object, or even a blocked drain.
If you suspect that your condensate line is clogged, you can try clearing it yourself. Pour a pot of boiling water down the line to loosen any built-up sediment. However, it’s always best to call a professional to clear the line for you.
A clogged condensate line can cause a variety of problems with your furnace, including short cycling. If you’re experiencing problems with your furnace, and you think that your condensate line may be clogged, be sure to check it and call a professional to help.
Improper thermostat settings may cause short cycling.
A furnace may short cycle if your thermostat is set too low. When a thermostat is set too low, it can cause the furnace to turn on and off frequently. This can cause the furnace to wear out prematurely and can also increase your energy costs.
If you’re having problems with your furnace regularly short cycling, be sure to check your thermostat settings. Make sure that your thermostat is set to a comfortable temperature and that it’s not set too low. If your thermostat is set too low, set it to a higher temperature to stop the short cycling.
Poor installation can cause a furnace to short cycle.
Improper installation is one of the most common reasons that a furnace may short cycle. If the furnace is not properly installed, it may not be able to heat the home evenly, which can cause the furnace to short cycle.
Additionally, if the furnace is not installed properly, it may not be able to function properly, which can also cause the furnace to short cycle. If you’re having problems with short cycling, it’s important to have a professional inspect the furnace to determine if the problem is due to improper installation.
Keep your furnace working properly.
The most important thing for homeowners with a furnace that short cycles is to have it serviced and inspected by a professional so that any underlying issues can be identified and fixed. If the furnace is old or needs replacing, homeowners should research their options and consult with a qualified HVAC technician to find the best solution for their home.