Common Heat Pump Problems

A heat pump is a safe, energy efficient heating and cooling alternative to a traditional furnace and air conditioning unit. Heat pumps can be used to heat and cool a room, using one indoor and one outdoor unit to maintain a comfortable indoor environment. However, it’s difficult to properly warm and cool your building if your heat pump does not turn on.

Below we’ve outlined some common heat pump issues and the proper steps to take to get your heat pump back up and running in no time.

Troubleshooting Your Heat Pump

It is very important to schedule regular heat pump maintenance to avoid potentially costly compressor problems at a later date. Some common heat pump problems include, but are not limited to:

Heat Pump Won’t Turn On

If your heat pump will not turn on, consider the following:

  • Check all circuit breakers verify that no circuits in your home’s electrical wiring are tripped and that the circuit tied to your heat pump has not tripped. If your circuit frequently trips, consider replacing any fuses to avoid an electrical overload.
  • Check power switches - Some heat pumps include an On/Off switch. Double-check your heat pump’s on/off switch is turned to the on position.

Heat Pump Is Making a Humming Noise

If you are hearing a strange, humming-type noise coming from your heat pump, call your local HVAC contractor as soon as possible. A humming noise could be a result of a bad start capacitor, compressor motor, compressor bearings, or an electrical issue and may require repair or maintenance.

Compressor Won’t Start

If the compressor in your heat pump does not start, but your outdoor fan does start, your heat pump could be experiencing issues with any of the following pieces of equipment:

  • Start capacitor
  • Run capacitor
  • Compressor
  • Electrical wiring

If your heat pump’s compressor will not run, contact your HVAC contractor for immediate service.

Heat Pump Is Not Heating or Cooling

One of the first signs your heat pump requires service is inconsistent temperatures in your building. If you experience unusually warm or cold temperatures, your heat pump may have:

  • Dirty coils
  • Dirty filters
  • A loose belt
  • Leaky valves
  • And more

Heat Pump Service from American Mechanical

Don’t be stuck without a properly working HVAC system when you need it most. American Mechanical provides high quality heat pump services in the Virginia Beach, VA area, including:

Contact us today for immediate service.


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  • Trusted, Licensed & Insured

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