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Air Design's office hours are Monday through Friday, 8am-5pm.

After hours your call will be directed to our answering service, staffed by a live operator. The operator will make arrangements to have one of our staff return your call at the earliest possible opportunity.

Diagram showing the HVAC heating & cooling zones as created by Air Design Services Inc.

“Air” is in our Name

You need a dependable, skilled contractor to service your heating or air conditioning system — or to install a new one quickly and for a reasonable price. That’s the philosophy at Air Design Services: a premier residential heating and cooling contractor serving Southern New Hampshire and Northern Massachusetts for 40 years.

Whether gas furnaces, central air conditioning, ductless heating and air conditioning, or whole-house indoor air quality systems, we have the expertise and experience to help you make the right decision for your home and family, and to install and service those systems the right way, every time.

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Heating systems in NH

Heating Systems

Your choice of a furnace — or in the contractor who services your existing furnace — could be the difference in hundreds of dollars per year in savings off your monthly energy bills.

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Cooling services for your home in NH

Cooling Systems

At Air Design, our goal is to provide you with an cooling system that’s so smooth, so quiet, so comfortable…that the last thing you ever think about is your air conditioning system.

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Commercial HVAC in NH

Commercial Services

Air Design has a 40-year history as the go-to HVAC contractor for light commercial facilities in Northern Massachusetts and Southern New Hampshire.

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