Connecticut’s First Choice

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Air Temp Mechanical Services is Connecticut’s largest independent HVAC contractor. Our team of over 100 licensed, highly trained service technicians is prepared to assist you 24/7. Need help finding the best HVAC services near you? Look no further!

Our mission? Providing the best HVAC and building control services for your business.

The team of experts at Air Temp has the knowledge and skills to service all types of equipment.

Dunham-Bush’s exclusive CT provider. Find a selection of top brands every time you buy or rent from us!

Our HVAC Services

The first step toward properly maintained HVAC systems is to map out a preventive plan to minimize future repair calls. Our team of professionals has the expertise to create custom maintenance solutions for your business.

Commercial energy audits are an excellent way to ensure your systems are running efficiently and that you are taking all the necessary steps to save on energy consumption within your facility.

Our 15,000 sq. ft. Southington, CT, facility houses a state-of-the-art metal fabrication shop complete with the latest technologies to manufacture custom commercial and industrial ductwork made to last!

Air Temp Mechanical Services, Inc., is Connecticut’s first choice in commercial mechanical services; from boiler services and plumbing to environmental control systems and HVAC, we've got you covered!

At Air Temp, we are proud to be Connecticut’s leading Honeywell Building Control Systems provider. Discover maximum energy efficiency, comfort, and facility management with our automation systems and connectivity solutions.



The professional team at Air Temp is trained and licensed to ensure your facilities are always running at peak performance. From corporate buildings to healthcare centers, Our skilled technicians have years of experience installing and servicing commercial & industrial HVAC systems in a variety of facilities.

K-12 • Higher Education


K-12 • Higher Education


Manufacturing • Commercial • Industrial • Pharmaceutical • Airports • Stadiums




Local Government • State Government • Federal Government • Public and affordable housing • Military


Nursing & Rehab centers • Hospitals • Life Sciences


Department stores • Warehouse stores • Shopping malls • Restaurants

Energy Saving Strategies
HVAC/mechanical system upgrades • Energy management systems • Lighting
• Natural gas conversions • Water • Renewables • Battery Storage • Insulation • Envelope Improvements

Our Latest Projects

Hoffman Auto Group

East Hartford, CT

The Plaza

New Britain, CT


“Air Temp has strong roots in our community. Supporting the community’s needs is central to our core values.”

Jeff Leone
CEO, Air Temp Mechanical Services Inc.

One of the best HVAC Companies around. Highly recommend based on their excellent work ethic & long standing experience in the field.

Valerie R.

Friendly, quick to respond, clean and great service!

Betsy E.

This is a great industrial and commercial company. Their service is fantastic and highly skilled. This is NOT AirTemp Residential Services and should not be confused with the company that works in people’s houses.

Joseph D.

Super nice people to work with

Victor S.


Contact Us

Contact us today to learn more about why we are Connecticut’s leading commercial HVAC provider!