“As Realtors, we’re used to selling granite countertops and closet space, but when you start including geothermal heat sources, you are talking about a different kind of valuation,” said panelist Craig Foley, a Realtor® with RE/MAX Leading Edge in Somerville, Massachusetts. “Brokers need to make sure that they have specialists on their teams, and Realtors® with the Green Designation are those specialists.”