<VV> Re: Garage Heating

Kent Sullivan kentsu at corvairkid.com
Mon Oct 24 21:30:59 EDT 2005

My house and shop are powered with ground source geothermal. Yes, the tubing
used now is plastic on the outside with a copper inner jacket. It is
amazingly tough stuff.

We have three 80-gallon storage tanks under the house. The crawlspace is
sealed with a concrete floor. The heat pumps are from the folks at

The system is computer-controlled with inside and outside temp sensors.
House has several zones with thermostats.

The radiant system ties into our fresh air system. In other words, the fresh
air system can give a boost (become a hot air system) if the temp drops
suddenly. Also, in the summer, chilled water can be pumped through the air
system and used for A/C. Air system has separate thermostats.

Email me if you want any more info.

-----Original Message-----
From: virtualvairs-bounces at corvair.org
[mailto:virtualvairs-bounces at corvair.org] On Behalf Of JVHRoberts at aol.com
Sent: Monday, October 24, 2005 3:07 PM
To: lechevrier at earthlink.net; virtualvairs at corvair.org
Subject: Re: <VV> Re: Garage Heating

There are hydronic heat pumps out there, both ground and air sourced, that
can deliver hot water to a slab loop. 
Geothermal is neat, but it's losing ground to the newer air sourced heat
pumps. Given the SUBSTANTIAL difference in installed cost, in many places, a
geothermal unit will NEVER pay itself off in anything resembling a
reasonable period of time. 
In a message dated 10/24/2005 1:12:29 P.M. Eastern Standard Time,
lechevrier at earthlink.net writes:

3)   radiant concrete slab heating -- has anyone ever used a  ground 
source heat pump (working backwards) to directly heat a slab (and  cool the
out of doors)? I used to live where they had natural hot water heating
(geothermal) available, and saw many copper pipe hot water heated concrete
driveways (to melt the snow & ice) torn up for system repair -- I understand
that there is now a plastic tubing made for this service that is far less

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