Key HVAC - Heating & Cooling Services

Key HVAC is a professional heating and cooling contractor based in Exeter, New Hampshire, providing expert geothermal and HVAC services to residential and commercial clients throughout the Seacoast region and southern New Hampshire. Their team of experienced technicians specializes in ground source heat pump installation, maintenance, and repair, helping New Hampshire homeowners harness the earth's stable underground temperatures for highly efficient, year-round comfort. New Hampshire's cold winters and warm summers make it an excellent candidate for geothermal technology, which can deliver significant energy savings compared to conventional heating systems. Key HVAC provides comprehensive geothermal services including system design, installation, maintenance, and repair, with a focus on delivering reliable, long-lasting results for New Hampshire clients. Their Exeter location positions them to serve Rockingham County and surrounding communities in the Seacoast region. For New Hampshire homeowners seeking a trusted, experienced geothermal and HVAC contractor, Key HVAC delivers the expertise and professional service that Granite State residents deserve.