Do you need a company providing commercial and residential air conditioning or heating services, repair and installation in New Hampshire? Stop searching - we have detailed information, unbiased customer reviews and recommendations about local contractors. 
We have been servicing the Lakes Region for over 41 years, and we have grown dramatically in recent years. We have grown from a one man operation to 12 full-time technicians and 2 preventative maintenance technicians, servicing the entire Northeast from central New Hampshire to Maine and now Vermont.
Pamela Rizzo —
They have the best customer service, their technicians are extremely knowledgeable and amazing at what they do. I HIGHLY
We proudly serve the comfort needs of the New Hampshire Seacoast, the North Shore of Massachusetts and Southern Maine communities. If your home or office's heating and a/c system is operating smoothly and efficiently, your monthly utility bill will ultimately be lower. The only way you can be absolutely sure that it is operating smoothly and efficiently is to have it inspected by one of our factory trained service technicians.
Dan Sullivan —
Highly recommend Key heating & Air. Very nice folks to deal with and the technician Lorne was on time and very knowledgeable
We have been a leading provider of residential heating ventilation & air conditioning services and products for many years and we have been fortunate to have served thousands of satisfied Industrial, Commercial and Residential customers over the years. As a solid and established company, you can be assured that we will be able to stand behind our products and services for many years to come.
John Salizzoni —
Services: Thermostat repair, Ductless heating & A/C services, Cleaning, A/C system repair, Heating system repair Responsiveness
