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Win a Brand New Furnace!

HEATING & COOLING SERVICES

Key HVAC has been providing the latest heating & cooling energy solutions for New England homeowners since 1993! Our family-owned, award-winning business services the NH Seacoast and Lakes Region saving homeowners costs, time, and headaches.

Heating

New England winters are both beautiful, unpredictable, and at times, brutal. Trust Key HVAC local heating experts for all your service, maintenance, and installation needs.

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Cooling

Keep your cool. The Key team has over 30 years of experience installing, repairing, servicing, and maintaining central air (HVAC) units and ductless air conditioning systems.

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Service Membership

Gain some peace of mind knowing that you have year-round savings on all your service and routine maintenance needs, at an affordable price. Become a member today with our exclusive Safety & Efficiency Membership.

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30+

35

2

120

Years Experience

Employees

Locations

Total Yrs Experience

Mike A.

Great Support. During my annual maintenance check, they found a bad transformer. They installed a temporary one and came back the next week with a permanent fix. Greatly appreciated!

Mark F.

Justin does nice work, he identified many issues with the AC system and fixed them. Very knowledgable on the end-to-end pieces of how our A/C system works.

Mary F.

Outstanding, we were very impressed with the thorough job Matt did. He was very knowledgable and explained what he did and what we found. We always expect the best from Key, and Matt more than lived up to our expectations.