Geothermal on My Mind

July 19, 2010 · Posted in Modern Construction 

So my wife and I got into a conversation last night about geothermal heating and cooling, and I realized that the caveman stammering and long pauses meant that I don’t have a clue how it works.  I checked it out on my secret source (Wikipedia), and I still don’t really get it, but take a look for yourself if you got a few minutes.  I think it’s the whole “heat pump” thing that gets me, but you can’t beat the efficiency:

A new ENERGY STAR specification for geothermal heat pumps went into effect on December 1, 2009. The new specification allows water-to-water GHPs to immediately be eligible to qualify for the label. On average, ENERGY STAR qualified products covered under this new specification will be over 45 percent more energy efficient than standard options.  energystar.gov

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