That sounds like quite an added expense. I would have to know how often heat pump outside unit fan blades suffer from ice build-up but perhaps might be worthwhile to at least add a sensor that can detect it before it causes damage.
Blade de-icing doesn't seem worthwhile though.
Blade de-icing doesn't seem worthwhile though.
Reposted from
Peter Miller
Sure, but it does concern me that ice can unbalance a fan blade to the extent that it makes that much noise. In a location where it stays below freezing for months the annoyance could be massive. The unit should be able to do it own blade de-ice though, and should be able to detect ice buildup.
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