How to Keep Heat Pump from Freezing

Heat pumps can be very convenient for homeowners since they act as both heating systems during the winter and air conditioners during the summer. However, because heat pumps consist of outdoor units, they can be prone to freezing during the winter. Not only can this make your heat pump work less efficiently and effectively, it can also cause major damage to the unit itself.

How Does a Heat Pump Freeze?

When a heat pump produces heat, the refrigerant will be turned into a gas once it reaches the outdoor coil. There, it will condense, which results in the release of moisture. In extreme temperatures, the moisture, which gathers on the outdoor unit’s coils, will then freeze.

Generally, any frost that develops on the coils will be melted by the defrost component that a heat pump is built with to specifically address the problem. However, in some cases, the ice may not melt and could, instead, build up. Fortunately, there are ways that you can prevent this from happening.

How to Prevent Heat Pump Coils From Freezing

There are a number of issues that can cause a heat pump to freeze. For example, the defrosting component can fail, thereby allowing frost to build up until it begins to affect the heat pump’s performance. The following are a few tips that you should follow in order to prevent your heat pump from freezing:

  • Keep the outdoor unit clear – Unimpeded airflow is necessary for your heat pump to work properly. If airflow is restricted in any way, then the moisture in the air is more likely to freeze on the evaporator or condenser coil. This means that you need to keep the area around your outdoor unit clear of any bushes, debris or snow.
  • Make sure the gutters are in good shape – Gutters that are leaking or that aren’t secure can cause water to drip down onto your outdoor unit where it can freeze. Have your gutters checked to make sure that they are properly secured and in good condition.
  • Check to be sure outdoor unit is level – If the ground that the unit is situated on isn’t level, then it could block the drainage path for melted ice as well as block airflow, thereby causing the buildup of ice.
  • Have your heat pump inspected – A technician can make sure all of the heat pump’s components, such as the defrosting component, are working. They will clean dirty components as well to help prevent issues with the airflow.
  • Change your air filter – Changing the filter as needed will help prevent the airflow from being impeded.

Schedule a Heat Pump Inspection Today

To help prevent your heat pump from freezing or to remove any ice that has built up on your heat pump, schedule a professional heat pump inspection. If you’re located in the Philadelphia, PA area, by contact us online at W.F. Smith today. Our fully licensed and insured technicians have an average of 20 years of experience each and have a reputation for providing high-quality work and exceptional customer service.

W.F. Smith HVAC testimonial

Everyone, with whom I had personal or telephone contact, was agreeable, helpful and informative. Justin was the service person who initially diagnosed the problem, and represented Smith’s during the sales transaction. Shelly was my telephone contact, and Bill and Aaron did the install. Each person was professional and knowledgeable. Thanks,