Re: Geothermal heat pumps for heating and A/C | <– Date –> <– Thread –> |
From: Bob Morrison (morrisontook.enet.dec.com) | |
Date: Fri, 14 Oct 94 12:23 CDT |
On Thu, 13 Oct 1994, wight [at] world.std.com (Nancy E Wight) wrote: Subject: Re: Heating systems >Thanks, David for your info on geothermal heat pumps. We are also >considering them seriously. Boston Edison is going to give us some kind of >a price break if we install them. I don't have specific answers, but I have some questions which I have de- cided to ask in the newsgroup so others can "hear" the answers. Would this system, if installed, consist of a single device (the thing that has a freon-cycle compressor in it) for the entire community or a separate device for each unit and for the common house? If multiple devices, would there be a separate underground fluid loop for each device, or would there be a single loop with the fluid piped to each compressor device? >1) If we install electric geothermal heat pumps, we will not be having gas >piped to our site, which means we have to use electricity (where solar is >not feasible) for heating water. I assume it would be quite expensive to pipe gas to the site and that New View would be charged for this. I further assume that you have already de- cided that this cost can't be justified for water heating alone. >2) I'm worried about the "extreme weather", which we have a lot of. Would >we also have to have a furnace (and air-conditioning system) for backup? One concern that comes to mind is that this system would have a lot of stuff that can break down and it could take a long time to get it fixed; it may require obtaining parts or bringing in experts from VERY far away. This being the case, I would be uneasy about depending on it as the only source of heat. I think a properly designed system would have more than enough capacity to handle your heating and A/C needs, but you will need to ask Boston Edison and the manufacturer of the system some tough questions to be sure. Bob Morrison Home: Boxboro, MA Work: Digital Equipment Corp., Littleton, MA
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