We can finally put to bed the notion that heat pumps do not work in cold weather conditions and that they are inefficient to run. We’ve observed the exact opposite. They are three times more efficient than gas boilers and work in cold weather conditions.
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Because they transfer heat from outside, rather than just converting electricity into heat, heat pumps can technically produce more energy than the electricity that is put into them.
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[I]n Nordic countries [...] heat pumps are commonplace – up to 60% of Norwegian homes are heated by heat pumps.
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“That’s the magic of heat pumps: you’ve extracted this heat from the environment. [It] could be air source, could be ground source, could be water source, from the sea, even sewage.”
Guardian
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