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Re: geothermal heating/radiant flooring/domestic hot water
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Posted by Phil on Sunday, 4 May 2008, at 10:44 a.m.,
in response to Re: geothermal heating/radiant flooring/domestic hot water, posted by Robert Gammon
Robert... Just 3 days ago you posted:
"If you read enough of what Phil has on his web site, you will see that he was going to attempt to cool the house with a evaporative cooler."
This is why I don't like people explaining what I was, or am, thinking. This is Soooo incorrect it's not even a little funny. It takes a lot of restraint to not just delete the post outright.
The work "evaporative" is extremely specific, and it relates to allowing free water to evaporate into the air to produce a cooling effect. (Cooling either the air itself, or a surface)
I have clearly toyed with the idea of using my ground loop water as a cooling agent, BUT, by either passing it through my slab, or adding a set of air coils to my ductwork. Not by using open evaporative cooling.
Using the evaporative process in Maryland to cool or reduce summer humidity was never considered an option. Other than the fact that it wouldn't work here, it's a big waste of water.
And for clarity, whan I say "air coils" I don't just mean a set of copper coils, I mean a radiator-type structure. In this case, they use flowing water, rather than flowing refrigerant to keep them cold. So in this contect, an "Air Handler" is a set of Air Coils and a Blower and a Filter inside a big box.
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An exercise in Energy Smart, Not So Big living. www.OurCoolHouse.com - Ideas @OurCoolHouse.com
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This site is all about building a cool, energy efficient house, that makes maximum use of earth sheltered design, passive solar heating and cooling, geothermal exchange energy management, and right sizing of the house for it's designated use. The home's placement is on a south-facing hillside in Deep Creek Lake, Maryland. This site describes the design process, the technologies used and the expected results. We also have a comprehensive Links Page for anyone who is also interested in designing a similar project.