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Key Heating & Air Conditioning is a full service HVAC Service & Installation Company - For over 25 yeas we have served the residents of the NH Seacoast, North Shore of MA, Maine Seacoast, and now, the Lakes Region. We are a family owned and operated company that specializes in all the latest technology including geothermal and ductless heat pump systems. We are a design build company and can help you with all your HVAC needs. We provide a comprehensive service membership program and 24/7 emergency service. Our sales departme... read more
69 Main St, Alton, NH, 03809, United States
Get directionsKey Heating & Air Conditioning has a 4.7 star rating with 29 reviews.
Key Heating & Air Conditioning is open now. It is open 24/7.
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