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HEATING & COOLING SERVICES
Key HVAC has been providing the latest heating & cooling energy solutions for New England homeowners for over 25 years. Our family-owned, award-winning business services the NH Seacoast and Lakes Region saving homeowners costs, time, and headaches.



30+
35
2
120
Years Experience
Employees
Locations
Total Yrs Experience
Home Tips For Optimizing Your Air, Heating & Cooling
Key HVAC reveals tips and tricks to keep your home running efficiently.
We Service All Brands












Contact Key Heating & Cooling
Today!
CONTACT
US
VISIT
US
8 Continental Dr. Exeter, NH 03833
​
69 Main St. Alton, NH 03809
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