HVAC Service

Heating, Cooling, Refrigeration, & Food Service Equipment Since 1953!

Contact Us Today!

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Heating, Air Conditioning and Ventilation service… Keeping you cool in the summer and warm in the winter is our top priority.

We sell and service single ton to fifty ton rooftop units, mini split systems, heat pumps, hoods, make-up air and exhaust fans.

Regular maintenance is key to a properly functioning HVAC system. Let us keep you running no matter the time of year. Ask us about our scheduled maintenance programs to make sure you’re always running cleanly and efficiently.

Call United Service Company today: (800) 761-0900

United Service Co truck with award badges, BBB A+ and 100% Satisfaction

Why Choose United Service Co.?

Award Winning Service!

United Service Company is an established refrigeration, heating and air conditioning company servicing Boston, the North Shore and Southern New Hampshire since 1953. We attribute our success to hard work and dedication to customer satisfaction. And we achieve this through prompt and professional customer service.

Award Winning

Established Team

Learn About Us

“Total Customer Satisfaction Is Our Commitment To You!”

See What Our Customers Are Saying

“I have been doing business with United Service for the past 25 years and have always had a positive experience. They are always responsive and professional and whether the job at hand is small or large, I know I can count on United Service to be there. They go above and beyond to ensure my needs are met, something you don’t always find. I would highly recommend United Service to anyone looking for reliability combined with the highest level of professionalism and customer service!”
Wellington AugustoMission Oak Grill, Mission on the Bay

“United Service is an outstanding family owned company, we here at Finz Seafood and Grill and Sea Level Oyster Bar have been using them for 15 plus years. Ron, Nic and Alexi and their team have been great to work with, to calling in issues and getting right out to fix the problems and finding parts quickly.”
Serie KeezerFinz Seafood and Grill, Sea Level Oyster Bar

“We called United Service Company when our ice machine stopped working on a Friday morning. Our hall was booked for the weekend and buying ice was not an option. The technician, Nate, was there within a couple of hours and had us making ice again and FAST. United Service Co was fast, professional, and courteous. We will DEFINITELY use them again in the future!”
JFLowell, MA

“This has been the second large walk-in purchase from United. Both purchases were installed on time and on schedule. United also services our coolers and responds quickly to last minute service calls. I truly enjoy the relationship with United Service.”
Chris BandereckTopsfield Bakeshop Inc., The Whoopie Wagon

“Great service! Always available 24/7 for emergencies. Definitely would recommend, they’re worth it.”
Agave Mexican Bistro