Key Heating & Air Conditioning is here to help you meet all of your home’s hot water needs.

We offer both hot water tanks and on-demand tankless options for your hot water. Key also offers an array of solar hot water options.

Brands We Carry

  • Bosch

  • Bradford White

  • Vaughn

  • GE Heat Pump Water Heater

  • Mitsubishi Heat Pump Water Heater

Contact Us

Phone: 603.436.8811

Text:     938.444.4537

Email Us


8 Continental Dr. Exeter, NH 03833

6 Central Ave. Wolfeboro, NH 03894

69 Main St. Alton, NH 03809

Mailing Address

8E Continental Dr.

Exeter, NH 03833

© 2021 by Key Heating & Air Conditioning Inc.