Forum Discussion
pianotuna
May 23, 2016Nomad III
Hi Jeff,
Break even for a modern air to air heat pump is about -4 C (28 f).
Break even for a modern air to air heat pump is about -4 C (28 f).
SCVJeff wrote:pianotuna wrote:but that's a moving target depending on outside tempo and what can be harvested, no?
Hi Jeff,
Because it is moving heat from outdoors to indoors. So 1200 watts to run the compressor moves about 3000 watts of heat. (That is an example--not actual figures).SCVJeff wrote:
How can you be more efficient than a resistor?
100w in, 100w out of heat
How can a heat pump possibly beat that?
Obviously 65 is way more efficient than 55. So where's the break-even point?
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