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Old 03-04-20, 09:44 AM   #5
gadget
Helper EcoRenovator
 
Join Date: Dec 2019
Location: Northern Utah
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The advantage of the ground source heat pump is pulling heat out of the ground that is at a higher temperature then the air.

If you are using an air source heat pump to heat the tank that feeds the water source heat pump, you are getting no advantage. You would have a loss of efficiency.

Could you make a mini DIY bore field and get your ground source? Sounds like you have the skills
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