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Old 2013-11-27, 09:04 AM
Oxford Oxford is offline
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Default Geo-thermal heating and cooling?

Hi,

Has anyone had Geothermal heating and cooling in their homes? Do these equipment last long? Are they better than gas furnace and Electrical AC?

Interested in a home with a 19 year old Geothermal. Wondering if should convert to gat.
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Old 2013-11-27, 08:08 PM
Halton Home Inspector Halton Home Inspector is offline
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These systems are expensive to install and if done properly can save you considerable funds on heating, cooling, and in some cases providing hot water. Like every HVAC system, there will be a blower, exchanger, sensors, etc. that will need to be maintained or replaced when they wear out. Any conventional heating or AC system would be considered old at 20 years so I would suggest you call a geothermal specialist to help you evaluate this system. The underground infrastructure for these systems can last from as little as 25 years to as high as 50 years but because this system was installed so long ago I would assume that it is not as good a system as the ones being installed today.

My brother has one in his custom home north of London and it is about 10 years old. No serious problems so far.

Save it if you can, but I'm sure if the supply and return ducts are conventional then you should be able to install new gas HVAC equipment if you choose to.

Last edited by Halton Home Inspector; 2013-11-28 at 11:30 AM.
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Old 2013-11-28, 04:43 PM
Oxford Oxford is offline
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Thank you. Very useful.
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Old 2013-11-29, 04:18 PM
Sam @ Axis Heating Sam @ Axis Heating is offline
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Quote:
Originally Posted by Oxford View Post
Hi,

Has anyone had Geothermal heating and cooling in their homes? Do these equipment last long? Are they better than gas furnace and Electrical AC?

Interested in a home with a 19 year old Geothermal. Wondering if should convert to gat.
Ouch! Definitely have it checked, part of the buying conditions. It sounds like it doesn't have too much life left. Also probably lost alot (most?) of it's energy efficiency by now.
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