To follow up on DickR's post,if your building new,take a look at geothermal.My partner is having it installed in his new house.He is using the same well as his domestic water supply and will use the water to extract btu's to heat the house.With the current incentive programs out there,he calculated that the extra cost of this system will be paid back in a little over three years.
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SIKSUKR
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