Are you looking for a better way to keep your cool during New England’s hot and humid summer days? Here at Key Heating & Air Conditioning Inc. we have over 25 years of experience installing, repairing, servicing and maintaining central air (HVAC) units and ductless air conditioning systems.


Having trouble with your air conditioning system? Our technicians are factory trained to handle all problems big and small. 


We also install brand new cooling systems or replace your aging one with a new energy efficient system. We are committed to recommending and helping you choose the best air conditioning system based on your specific needs. Our home comfort advisors can provide you with a free home analysis and custom proposal, as well as educate you along the way. We also offer great financing options with approved credit to help you get the job done.

We Service All Brands!

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Contact Us

Phone: 603.436.8811

Text:     938.444.4537

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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.