Heat pump short cycling occurs when a system rapidly turns on and off before completing a cycle. This common issue can significantly reduce comfort in your Decatur, IL, home. Let’s review four underlying reasons that could cause your heat pump to short cycle.

1. Clogged Air Filter

A dirty air filter can wreak havoc on your heat pump. This is because a clogged filter restricts air circulation and makes it harder for your system to absorb or release heat efficiently.

The heat pump can overheat and shut down prematurely, restarting shortly thereafter to try to reach the temperature set on the thermostat. Regularly cleaning or replacing your air filter every 30 to 90 days and scheduling regular maintenance will help to prevent this issue.

2. Improper Refrigerant Levels

Refrigerant is the lifeblood of your heat pump, as it is responsible for transferring heat throughout the system. Low refrigerant levels from leaks or improper charging will prevent the heat pump from absorbing or releasing heat properly.

3. Thermostat Issues

The thermostat acts as the brain of your heating and cooling system because it constantly monitors the temperature and sends signals to the heat pump. A thermostat can malfunction, send inaccurate readings and cause the heat pump to short cycle as it tries to reach an incorrect target temperature. If you suspect a thermostat issue, consider replacing the batteries or consulting an HVAC technician.

4. Incorrect System Sizing

A system that is too large for your house has too much power, leading to short cycles and wasted energy. Having a licensed professional complete the installation is crucial to ensure your heat pump is properly sized for the specific needs of your home.

If your system begins short cycling regularly, it points to an underlying issue that requires an inspection to diagnose. Contact our experts at Tica, Inc. Heating and Cooling for your heat pump repair and maintenance services in Decatur, IL.

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