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F.H. Furr's Plumbing, Heating, Cooling & Electrical Insider Blog

Help! My Heat Pump Is Frozen! 3 Helpful Tips to Thaw It Out!

Well, it looks as if we can expect a little more winter weather before spring! F.H. Furr wants to take the opportunity to talk to you about your exterior heat pump. While you’re preoccupied with business indoors, don’t let your outdoor heat pump be “out of sight, out of mind”. Heat pumps are prone to freeze up during the winter. Now, we know that you are itching for spring. March is just around the corner, turning our thoughts towards pleasant things like the Easter holiday, cherry blossoms, and those delicious seasonal marshmallow peeps! However, before you get ahead of yourself and burst out in a jovial song of “new beginnings”, remember that the weather has been bipolar and that there is a chance of snow in the coming weeks! Anticipate what you can do to prevent your heat pump from freezing when the temperature drops!

Below are a few measures you can take to prevent your heat pump (and you) from freezing!

-Remove blockages to allow airflow: if it snows, be sure that no snow is restricting airflow. Clear leaves and keep grass trimmed around the outside unit.

-Replace inside filters regularly and clean the evaporator coils to prevent dust collection.

-If freezing has already occurred, shut off the unit (keeping it on could damage the unit) and pour water over the unit to melt the ice (do NOT attempt breaking up ice with heavy tools!). In addition, check to make sure no damage has been done to the copper coolant lines

Watch the video below to see how a heat pump works!


A little bit of frost on the heat pump is normal (your heat pump’s defrost function usually fixes the problem); however, if your unit is entirely encased in a thick layer of frost or ice, you have a definite problem. Ice builds up when condensation forms around the condenser and evaporator. At F.H. Furr, we know that that maintaining your heating and cooling systems can mean the difference between an uncomfortable and expensive home, and whole home comfort. Contact F.H. Furr for more information on what you can do to ensure your heat pump is doing its duty!


Topics: plumbing hvac service Heating Service