The positive effects of a geothermal installation on a home's resale value are considerable.  Reduced operating costs is a prime benefit.  The value added is listed in one study as +8%, and another study indicates a $20 increase in value for every $1 reduction in operating costs.  Links to these reports are listed below.  It has been my experience that these benefits are seen across the board for geothermal installations and the trend is for these benefits to be more highly valued going forward. We see other benefits to home valuation occur in the retrofit market.  People value new equipment over existing equipment nearing the end of its useful life.  New equipment means less maintenance and more reliability.  Since geothermal is inherently both heating and cooling, both systems are updated and in some installations, the geothermal system also represents the addition of central air conditioning where it didn't exist before, which clearly adds to the home's value.  Real estate … [Read more...]