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Spinoff thread: Anyone have experience with geo-thermal heat pumps?

Posted on 4/9/14 at 7:58 pm
Posted by fly2fish
OB
Member since Nov 2008
242 posts
Posted on 4/9/14 at 7:58 pm
First time caller, long-time lurker. I am building a new house, and considering installing a geo-thermal unit. The initial cost are roughly twice the cost of a standard HVAC, but there is a 30% federal tax credit that I will get back in a rebate next year(no state tax credit here )
I have read many good reports about the systems, but don't have any first-hand experience at all. Any info would geatly appreciated. TIA.
Posted by Walt OReilly
Poplarville, MS
Member since Oct 2005
124694 posts
Posted on 4/9/14 at 7:58 pm to
you will probably get better feedback on SEC Off-topic board
Posted by CC
Western NY
Member since Feb 2004
14867 posts
Posted on 4/9/14 at 8:14 pm to
I'm sure the technology has improved but the one my parents had would never cool enough in the summer or heat enough in the winter. Theirs went out to their pond where the water would get pretty cold in winter and in the 90s in summer.
Posted by TigerRad
Columbia, SC
Member since Jan 2007
5354 posts
Posted on 4/9/14 at 8:17 pm to
I have to say I love mine. It gets damn hot here and I had no problem last summer. The 30% back from uncle sam was fantastic, and im sure my electric bill would be WAY higher without it. I had a LEED certified energy auditor look at my house (during construction) and he said my ROI would be 7-8 years.

TOTALLY worth it imo
Posted by stout
Smoking Crack with Hunter Biden
Member since Sep 2006
167506 posts
Posted on 4/9/14 at 8:24 pm to
Expensive to install and to have work performed on.
Posted by tigerinthebueche
Member since Oct 2010
36791 posts
Posted on 4/9/14 at 8:25 pm to
I got one and I love it. My electric bill is dirt cheap and I run the shite out of it during the summer. What you want to know?

Maint. Expense is minimal.
This post was edited on 4/9/14 at 8:27 pm
Posted by BigEdLSU
All around the south
Member since Sep 2010
20268 posts
Posted on 4/9/14 at 8:48 pm to
Nice option. I would say it's a great idea if you already have a pond.
Posted by VetteGuy
Member since Feb 2008
28322 posts
Posted on 4/9/14 at 9:00 pm to
Researched it thoroughly.
I was going to do closed loop.

Botom line, IMHO:
Using the tax credit is the only way it makes fiscal sense.
Without the credit, it's a non-starter.

That said, the current efficiencies in foam insulation, coupled with high-SEER variable speed heat pumps, just about negate the advantage of geothermal for the home. Plus, geothermal adds a layer of complexity (more moving parts) that heat pumps don't have.

Lastly, look around. They aren't that popular, even with the credits.
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