If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.
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Worried about ground source heat pump problems? We list the most common ones and how to find out what's causing them
If you're considering using a ground source heat pump to heat your home, you could be wondering what type of ground source heat pump problems you may encounter. Or, perhaps you have one and have a few ...
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