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.

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30+
35
2
120
Years Experience
Employees
Locations
Total Yrs Experience
We Service All Brands










Home Tips For Optimizing Your Air, Heating & Cooling
Key HVAC reveals tips and tricks to keep your home running efficiently.
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