Heating Solutions for Professionals
Are you a Homeowner?
Products
Training
Training
Heat Pumps freezing in Winter - an Installer's Troubleshooting Guide
Heat pumps often ice up during cold weather because when the unit generates heat, the refrigerant (inside the heat pump) turns to gas and then the moisture in the air condenses when it passes across the evaporator. In winter temperatures this condensation will freeze which is perfectly normal.
Grant air source heat pumps have a built-in defrost function to enable the system to continue working during cold weather. You can read more about this defrost function in our Knowledge Hub.
Grant air source heat pumps have a built-in defrost cycle
Was this article useful?
Yes
No
Have more questions? Submit a request
Couldn't find what you were looking for?
Alternatively you can speak to a member of our team - Subject to Operating Times