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New GSHP idea / concept

 
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Ground Source Heat Pump (GSHPs)
Last Post by bobflux 40 minutes ago
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bobflux
 bobflux
(@bobflux)
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Joined: 8 months ago
Posts: 190
19/10/2026 10:10 pm  

First you need to know how much thermal energy you'll need through the winter.

Then you can get an idea of how much mass will be needed to store it depending on the material you will use.

The idea behind ground loops is that dirt is free, so you want the installation to be made of as much dirt as possible and as little as possible of other stuff you have to purchase 🤣 

So first they bulldoze the dirt away, lay down the PEX loops, then bulldoze the dirt back on top. Even then it is expensive unless you own a bulldozer and go DIY. PEX pipes are pretty cheap though.

Regarding solar thermal, it is interesting to compare the cost per kWh produced versus photovoltaics. PV uses more area, but is much cheaper per unit area, so around here (France) it is cheaper to heat water with electricity from PV than to heat it with solar thermal. Also PV means free air conditioning, and has many other uses...

 

 



   
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