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Geothermal heating cooling
When I built my house I was very excited about geothermal, so I got a geothermal contractor out for an estimate. The system they recommended was the well based system. I asked the contractor if he had geothermal to see if he ate his own product, the answer was Oil. His bid was significantly more costly then fuel based systems.
My wife and I, undaunted by his own lack of personal use and the higher cost decided to do a survey.
We knew of a new (3 years old) 15 house subdivsion of comparable homes in our town that all had geothermal systems. It is important to be getting experience where you live not where I live because of climate, Elec rates, incentives ...etc
We went there and did a house to house survey. We got to speak to about 6 homeowners. The results were:
1) uses lots of electricity to make up for the temp shortfall, huge bills, more expensive than propane or oil.
2) People did not feel warm like with other heats.
3) If Electric goes out it can take forever for the house to get warm when it comes back on. Then takes alot of elec.
4) cannot drop thermostat down at night because it won't heat up in time in the morning. I like the house cold at night to about 61 so I did not like this fact.
5) Cannot shut down when away must be constant all the time in summer and winter.
I also found out that a well based system needs 15 gpm source and a return well to discharge. I only have 7.5 gpm in my water well. It also turns out that my water is acid which trashes the well pipes in 6 yesars, probably way less if used for heating and cooling. Your closed system should avoid these issues
Very happy I did not go that route.
Dennis
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Geothermal heating cooling
Another followup to one of my previous points:
Peters is happy and is in Alabama
I am in western NJ at 1100 feet elevation in NW NJ.
I see you are in Wisconsin, I think you have me beat on cold. I think you should check with some users in your state to see how they are making out.
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