|GeoSource Heating & Cooling Systems||<– Date –> <– Thread –>|
|From: Merlin Porter-Borden (merlpberols.com)|
|Date: Sat, 5 Apr 1997 09:50:46 -0600|
There is an industry supported group in Washington, DC, called the Geothermal Heat Pump Consortium. Their job is to promote the development of the new Geothermal, Earthsource, heating and cooling system which will replace every other form of heating and cooling. The consortium provides training, information, teleconferences (one held on Residential Geosource Systems April 3, 1997), and they are actively engaged in supporting Power companies to get into the act. The company supporting the WDC area is offering LARGE rebates to individuals who install GSHP. The initial cost is $2-5K higher than conventional systems in new houses; HOWEVER, the increase in a mortgage is less than the savings from energy cost (up to 60% heating & 40% cooling cost saving). Payoff is running 3.5 to 4.5 years (initial cost differential vs savings on energy). The heat exchange unit works like your refrigerator (quiet), can be installed in a crawl space or basement or closet (not outdoors), has a maintainance rate less than half a conventional system. The heat/cooling medium is the Mother Earth: install a closed (prefer) or open loop in a bore hole using the constant 55 degree water temperature, or there are several configurations of ground loops at 8-10 feet deep (helix loop plastic pipe in a tench. The conditions dictate (design), but a typical home might have a 450 ft bore hole. You can get water heated, too; especially efficient in the summer, when you are dumping heat back into the earth. A minimum cost setup would be forced air. Better and costlier would be forced air cooling and baseboard water or radient floor heating (can't cool any other way, practically, that I know of). We at Liberty Village are planning to use this system. Our duplexes may have one bore hole and an exchanger in each side. Our Common House and Pool (future) will probably be serviced by a ground loop system under the parking lot or Village Green. Personally, I'm planning a heated basement floor (Cathie's studio), and baseboard water, if we can afford the option. If we were not moving into cohousing, since our system is due for upgrade, I would be installing this geosource system. this system is proven and VERY GREEN. GPHC is at www.ghpc.org Merlin Porter-Borden, Liberty Village, Maryland, 35 mi fm Baltimore and 55 from WDC, digging dirt soon for 35 homes and 4 detached lots, 19 vested partners/homeowners.
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