The rebate for foundation insulation with the installation of a GSHP is 50 percent of the cost of the insulation, $500 maximum.

• ​Available only to members also installing a ground-source heat pump
• Basement, crawl space, or slab floor insulation in either a new or existing residence
• Insulation should comply with Dept of Energy R-Value recommendations for basement/crawl space walls of an R-10
• Slab floors should have a minimum of a 1” thick waterproof insulation board placed around the entire foundation and extend in from the perimeter a minimum of 24 inches horizontally under the slab (example)
• Installation of any insulation should include any necessary vapor barriers to prevent moisture or mold issues
• Rebate application