Bill Wenzel Heating & Air Conditioning

We are a full-service geothermal heating and air conditioning team based in Amherst, New Hampshire, serving customers throughout the surrounding area and across parts of New Hampshire and Massachusetts. We install WaterFurnace products and service and repair most major brands of geothermal equipment, air conditioners, furnaces, heat pumps, and ductless mini-splits. Whether a system needs installation, routine maintenance, or repair, we bring the knowledge and equipment needed to handle a wide range of residential and commercial heating and cooling needs.

With three generations in the heating industry, the Wenzel name has a long association with quality. Since our inception in 1997, we have been rated number one in sales and service of geothermal heat pumps. Our team has more than 25 years of experience installing geothermal systems, and we remain committed to creating home and business environments that are comfortable, economically sound, and environmentally clean.

As an Accredited Contractor, our certified heating and air conditioning professionals are factory-trained to install, service, and maintain geothermal heating and cooling systems to high professional standards. Bill Wenzel is a Certified Installer through the International Ground Source Heat Pump Association and a founding member of the New England Geothermal Professional Association. We are also designated as an HVAC System Quality Installation Contractor in the ACCA Quality Assured Program, supporting quality installations in the ENERGY STAR New Homes Program. In addition, we are a corporate partner and member of GEO, the Geothermal Heat Pump Consortium. We are proud to serve our neighbors with prompt, quality service from our office at 16 Broadway in Amherst. To speak with our team, call us at 603-429-8082.