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Originally Posted by #-3
I've always had just enough fear of geothermal or similar technologies, to think that tampering with the way the earths surface retains & transfers heat is a bad idea. Might be unfounded but I think we could learn a lesson from carbon emission and understand the externalities before we dig a billion holes.
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I installed geothermal as my heating system when I built my house in Calgary. Loved it. It was about twice the price of a traditional natural gas furnace, but it also provides cooling in summer.
For ours, 2 50 foot loops were made when we dug out the foundation, filled with glycol. It worked really well. The only thing was the power draw when the pump kicked on, you could hear it and the lights dimmed slightly. Our system was 10 years old and we had no issues during that time.
The late Ken King used the same guy we did: Jason from Calgary Geothermal.
I highly recommend it. The place I’m in in Victoria has an air transfer heat pump which wouldn’t work in Calgary. When it does go below 0 here, I have to knock ice off of the condenser.