Unpredictable weather is a given for New Englanders. From Nor'Easters to winter storms, power outages are bound to happen. Don't get left in the dark, trust the home generator installation experts. 


Key Heating & Air Conditioning provides the following services:


  • Installation

  • Servicing

  • Maintenance

  • Service & inspection of existing generator systems

  • Comprehensive proposals and evaluations of your existing home electric needs


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.