Quote:
Originally Posted by Patrick
How about diverting outside air through the condenser coil in the winter?
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Why not year round? In the summer you will get slightly worse efficiency since it'll be harder for the coils to lose heat, but you'll gain efficiency from using the A/C less. If the coils could be somehow mounted on the outside wall (north wall would be best), then their size wouldn't be limited by the size of the fridge. Coils 2-3 times larger would be more efficient.
Put those coils in groundwater and then you'd see improvement. Doable with a GSHP.