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Why Does My Heat Pump Run Constantly?

Posted on: March 13, 2023

Are you fed up with your heat pump running constantly?

Many homeowners experience this frustrating problem, and it can be hard to identify the cause.

If your heat pump is running nonstop, it could be due to a variety of factors, from dirty air filters to poor insulation.

In this article, we’ll discuss the potential reasons why your heat pump is running constantly and provide tips for troubleshooting the issue.

Let’s get started!

Top #5 Reasons Why Does Your Heat Pump Run Constantly: (Scroll Down For Fixes)

1) You have a dirty air filter:

A dirty air filter can block airflow and cause your heat pump to work harder, resulting in it running constantly.

A clogged filter can also cause the evaporator coil to freeze, reducing the efficiency of your heat pump and leading to higher energy bills.

To prevent this issue, check your air filter monthly and replace it when needed.

2) Low refrigerant levels:

Low refrigerant levels can prevent your heat pump from operating at peak efficiency.

Over time, refrigerant levels can drop, leading to your heat pump running constantly in order to try and maintain the desired temperature.

To solve this issue, call a professional HVAC technician to inspect and recharge the refrigerant in your heat pump.

3) Poor insulation:

If the insulation in your home is inadequate, it can cause warm air to escape and cold air to enter, making it harder for your heat pump to maintain a comfortable temperature.

To reduce this problem, make sure your home is properly insulated and all windows are sealed properly.

4) Malfunctioning thermostat:

A malfunctioning thermostat can cause your heat pump to run constantly, as it won’t be able to accurately detect the temperature in your home.

To fix this issue, you’ll need to replace or repair the thermostat. If your thermostat is older, it might be time for an upgrade to a newer model with advanced features such as Wi-Fi connectivity and remote access.

5) Incorrectly sized heat pump:

If your heat pump is too small for your home, it will have to work harder in order to maintain the desired temperature.

To prevent this issue, make sure you have a correctly sized heat pump that is suitable for the size of your home.

Shortlist Of Fixes For Heat Pump Running Constantly

  • Clean or replace your air filter
  • Have an HVAC technician inspect and recharge refrigerant levels
  • Check your home’s insulation and seal any air leaks
  • Replace or repair your thermostat
  • Make sure you have a correctly sized heat pump

By following these tips, you can troubleshoot the issue and restore your heat pump to working order.

If all else fails, contact a professional HVAC technician for assistance.

A trained technician can examine the issue and provide a solution to stop your heat pump from running constantly.

Signs That Your Heat Pump May Be Malfunctioning

When your heat pump isn’t working correctly, you may be able to detect a problem before it turns into a bigger issue.

Here are some signs that could indicate your heat pump needs attention.

Loud and constant running noise

If you hear a louder-than-normal noise coming from the unit like humming or buzzing, it is likely caused by fan motor bearing failure, loosened belts or defective fan blades.

High energy bills despite little use

High energy bills can be a symptom of your heat pump not operating efficiently due to faulty components resulting in increased electrical consumption and higher energy bills even when you haven’t used the system much recently.

Excessive humidity levels in the home

Occasionally, you may find that even when the cooling mode is selected on the thermostat, excessive humidity levels persist in the home. This could be an indication that there’s an issue with the indoor coil which impedes the refrigerant from evaporating properly during cooling cycle operation, leading to increased moisture build-up inside the home over time.

Frequent cycling on and off

Look out for frequent cycling on and off – this could either mean something’s wrong with your equipment or that it’s undersized for your space and cannot maintain set point temperatures effectively resulting in continuous start-up and shutdown cycles instead of keeping it on until comfort temperatures are achieved.

Conclusion:

If your heat pump runs constantly, it’s important to identify the cause and take appropriate action.

Common causes include a dirty air filter, insufficient refrigerant levels, inadequate insulation and air leaks, a malfunctioning thermostat, or an incorrectly sized heat pump.

To fix the issue, you may need to replace or repair the thermostat, clean or replace the air filter, inspect and recharge refrigerant levels, insulate your home properly and seal any air leaks, or make sure you have a correctly sized heat pump.

If all else fails, contact a professional HVAC technician for assistance.

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