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Posted By: cernunnoshomesThey especially good if one has solar PV for the electricity they consume (PV produces enough even when its cloudy as they typically consume about 700 watts.
Posted By: SteamyTeaThe trouble with heat pumps is that they do not count the 'invisible' energy source, this could be the air, water, ground or solar. Add them in and you will always be below unity.
Posted By: SteamyTeaThe Joule does not distinguish how it exists, but we do. Saying that it is free or zero carbon is not always the case.
Posted By: davidfreeboroughInstead we need to educate people that there's more to an efficient heat pump installation than the COP.
Posted By: davidfreeboroughnstead we need to educate people that there's more to an efficient heat pump installation than the COP.
Posted By: SteamyTeaalways makes me wonder why people want to use them at night)
Posted By: RobinBPlease educate me further! What more is there? Price, serviceable life come to mind but I don't think that's what you're getting at.
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