Service Area

We’ve Got You Covered Key Heating & Air Conditioning, Inc., is proud to serve New England. We have installed and serviced heating and cooling systems for customers in New Hampshire, Massachusetts and Maine. Here are some of the communities where we’ve brought our expertise: Service Call Areas: New Hampshire Atkinson Barrington Brentwood Chester Danville Deerfield […]

Maintenance Department

We’ve Got You Covered Our factory trained technicians at Key service all brands of equipment. Whether your home heating and cooling system needs a repair, cleaning or a tune-up, we are here to help keep you safe. We use a flat-rate pricing system that takes the guesswork out of your bill. Our pricing includes up-front […]