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Key Heating & Air Conditioning

4.7

About this business

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

Location details

69 Main St, Alton, NH, 03809, United States

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4.755 reviews
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Èlinor Lindemann's profile image
Èlinor Lindemann 
on Google
2 weeks ago

Peter is brilliant and precise in analyzing the problem with my air-conditioning. He determined the method to try...and it worked! Finally, after unbelievably gallons of water during the hot weather... Peter is the BEST! 

Carol Walsh's profile image
Carol Walsh 
on Google
3 weeks ago

Justin is a wonderful technician he did an excellent job diagnosing and making recommendations for my needs. An employee for this company to be very proud of. Thanks Justin job well done. I feel confident my problem will be solved in the best possible way. 

Al Ellis (Boomer52)'s profile image
Al Ellis (Boomer52) 
on Google
2 months ago

Matt arrived on time and got right to work. 90 minutes later he had completed maintenance on both our burner and AC systems. He also discussed the various membership programs with us which were something we have been looking for (they are a good deal). Matt was very professional and friendly and we hope to see him again for our next maintenance. Highly recommend Key HVAC. 

Gary wood's profile image
Gary wood 
on Google
2 months ago

They were very helpful. 

Stephen Reno's profile image
Stephen Reno 
on Google
3 months ago

Although one only calls a service technician when there is a problem, the person who fixes the problem doesn't always go above and beyond and educate the customer regarding the full operations of the furnace. Petey was not only an excellent technician, he also was a fine educator. I feel much more knowledgeable about our furnace and its proper care. Many thanks, Petey! 

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Frequently asked questions about Key Heating & Air Conditioning

How is Key Heating & Air Conditioning rated?

Key Heating & Air Conditioning has a 4.7 star rating with 55 reviews. 

When is Key Heating & Air Conditioning open?

Key Heating & Air Conditioning is open now. It is open 24/7. 

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