A&B Cooling & Heating Corporation help a Connecticut family reach their goal of creating a sustainable net-zero home. Implementing the state-of-the-art geothermal WaterFurnace 7 Series was just what the home needed to reach net-zero.

Buffalo Geothermal Heating help St. Michael's Lutheran Church take a leap of faith and embrace geothermal by replacing the building's old boiler with new WaterFurnace comfort systems that save the church money and provide lasting comfort.

Greenhill Contracting along with Verdae LLC, built the first net-zero home to achieve a HERS index of 0, first entirely NZE development in the U.S., and has now built The Preserve, another NZE development with houses at mainstream market rates.

Rivera Greens is the first certified National Association of Home Builders (NAHB) Green Standards Eco-Friendly Development in New York State. All home designs in the development are expected to save homeowners 60 to 100 percent of their utility bills.

Alan and Cathy Blum update this 1867 Wisconsin farm home without intruding on its historic charm. Improvements include energy efficient windows and insulation allowing them to capitalize on an advanced variable capacity 7 Series geothermal system.

See the retrofit of a stunning 1904 mansion and carriage house. The challenge was to provide a sustainable heating and cooling system that was "invisible both outside and in." The result is a system any homeowner would dream of.

See the retrofit of a stunning 1904 mansion and carriage house. The challenge was to provide a sustainable heating and cooling system that was "invisible both outside and in." The result is a system any homeowner would dream of.

Take a look at the first net-zero residential development in the country. Imagine an entire community so efficient they are selling electricity back to the power grid. Geothermal heating and cooling played a pivotal role in achieving net-zero status.