Why Is My Heat Pump Turning On and Off Frequently?

Heat pumps and furnaces are designed to save energy by cycling on and off when needed. You may choose any of these appliances based on factors like efficiency, cost, and your home’s layout.

Read more: Heat Pump Vs Furnace What Should You Choose..

Heat pumps may turn on and off more frequently than other appliances for various reasons. Understanding what’s causing your heat pump to turn on and off repeatedly can help you troubleshoot the issue and avoid costly repairs or replacements.

1) Dirty Air Filters

Air filters are an essential part of a heat pump system. They help keep the air clean and prevent dust, dirt, and other contaminants from entering the system and causing damage. Unfortunately, over time these filters can get clogged with debris, and this will cause the fan to work harder than it should. This extra effort on the fan will cause the heat pump to turn on and off more frequently to compensate.

2) Refrigerant Leaks

The refrigerant within a heat pump helps keep it cool, but a leak somewhere in the system can cause the compressor to overwork and become overheated. As a result, the compressor may shut down and cause the heat pump to cycle off and on frequently. A refrigerant leak can be challenging to detect without specialized equipment, so it’s best to call a professional for help if you suspect this is the issue. Experts will use tools like ultraviolet dye, thermography, and pressure tests to identify the source of the leak so they can repair it.

3) Poor Insulation or Sealing

If your heat pump is located inside an old home with poor insulation and sealing, this could be causing the unit to turn on and off frequently. This happens because cold air from outside is seeping into the house, which forces your heat pump to keep working harder to maintain a comfortable temperature. To fix this problem, you can install thicker insulation around windows and doors and seal any air gaps that let cold air in. Consider upgrading the insulation in other parts of your home.

For example, you can add attic insulation or wall insulation to keep your home naturally cooler in the summer and warmer in the winter. This will help reduce how hard your heat pump has to work and also save you money on energy costs.

4) Thermostat Issues

The thermostat is responsible for controlling the temperature in your home. If it needs to be fixed, your heat pump may turn on and off frequently. This could be a sign of an issue with the thermostat itself or even something as simple as incorrect settings or low batteries.

Checking the thermostat to ensure it is set correctly is always a good starting point. If the thermostat is set to a temperature significantly different than your home’s current temperature, it could cause the heat pump to turn on and off frequently to reach the desired setting.

5) Oversized Heat Pump

Another possible cause of your heat pump turning on and off frequently is an oversized unit. Heat pumps are designed to operate for a certain amount of time during a cycle. If the unit is too large, it will turn on and off more often than necessary. This can lead to increased energy bills, inadequate heating or cooling, and decreased unit life expectancy.

Contact Moncrief for heating and air repair in Atlanta. We provide the best repairs, maintenance, and installation services.