Duquette Refrigeration is Now CoolSys
Looking for commercial HVAC & refrigeration installation, service and maintenance solutions in New England? Look no further.
Expanding Duquette Refrigeration’s Legacy with CoolSys
CoolSys acquired Duquette Refrigeration several years ago. Duguette, a recognized industry leader, has served Massachusetts, Connecticut, Rhode Island and Southern New Hampshire since 1986, consistently delivering exceptional, customer-focused service and value-driven solutions for decades.
We are now pleased to announce the full integration of Duquette Refrigeration, officially becoming CoolSys. This transformation unites Duquette under the nationally respected CoolSys brand, which boasts over 25 years of industry leadership. Operating as a single, unified organization, the rebranded CoolSys team in your region will deliver enhanced capabilities, expanded resources and unmatched expertise. Customers can expect an even broader range of services, including seamless installation, comprehensive maintenance and environmentally conscious equipment removal.
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With Duquette Refrigeration now operating as CoolSys, our unwavering commitment to outstanding service is further empowered by the leadership, resources and extensive experience of CoolSys. United under one name, we continue to deliver best-in-class solutions meticulously tailored to the unique needs of our valued customers.
Our Customers Include






Duquette Refrigeration, Now CoolSys, Geographic Coverage
We continue to support Duquette Refrigeration’s customers, as well as commercial and industrial businesses throughout:
More Resources, Same Trusted Commercial HVAC and Refrigeration Services
For over five years, Duquette Refrigeration has been a proud part of the CoolSys family, contributing to a larger mission. As a trusted organization, we remain dedicated to innovation, excellence and delivering top-quality customer care.
As part of CoolSys, we’ve gained access to:
State-of-the-art HVAC-R diagnostic and repair equipment to identify and fix issues faster
Comprehensive capabilities in MEPR/FP engineering, energy optimization and facilities and equipment management to better serve your needs
A brand-new fleet of service vehicles to equip our technicians with new safety features and enhanced gas mileage
Industry-leading training and benefits for our technicians to help secure, retain and grow talent
Modernized IT systems and streamlined parts management to secure equipment faster
Efficient service processes for quicker turnaround times and minimized downtime
Stronger Together
Duquette Refrigeration has fully transitioned to the CoolSys brand. While our name and logo have changed, our unwavering commitment to excellent customer service and highly trained technicians remains steadfast.
Reliable Commercial HVAC and Refrigeration Services
We provide installation, design, maintenance and repair services, including 24/7/365 emergency support. Our expert solutions include:
Commercial HVAC Solutions
Our expert commercial HVAC equipment design, installation, start-up and commissioning teams ensure your new HVAC system achieves maximum energy efficiency. We manage the entire equipment lifecycle, from in-house engineering and high-quality installation to expert project management and custom service and preventive maintenance plans. This comprehensive approach guarantees peak operating performance while reducing operating costs and lowering carbon emissions.
Commercial Refrigeration Services
We repair, maintain and install refrigeration equipment for any business that requires it, including convenience stores, grocery stores, hotels and more. Our technicians are trained to install, repair and maintain any commercial refrigeration equipment to output maximum efficiency. When you need emergency repair, we get you up and running fast to reduce downtime and prevent future technical issues.
Energy Management
We help businesses save on their energy bills through practical and innovative energy-saving solutions, like state-of-the-art controls and efficiency upgrades. In addition, our maintenance service plans also ensure equipment runs seamlessly and proactively identify potential inefficiencies.
Full MEPR/FP Engineering
We provide integrated MEPR/FP and design-build engineering solutions, as well as energy and emissions modeling and feasibility studies for renewable energy systems. From data centers, healthcare and institutional industries to industrial and commercial facilities, we help customers reduce energy use and costs through tailored engineering solutions. Focused on sustainability and decarbonization, we provide innovative, effective services not only throughout the Northeast but across the entire U.S.
What Makes Duquette Refrigeration, Now CoolSys, Different?
The integration of Duquette Refrigeration into CoolSys unites the unparalleled expertise and extensive resources of two industry leaders. This powerful synergy significantly expands our large-scale capabilities while enhancing local responsiveness. Backed by a large, experienced technician base, we’re ready to deliver fast, reliable services with minimal downtime.
From design and installation to preventive maintenance, we manage every stage of your project with complete accountability. And with local support on hand, you’ll always have someone ready to help.
CoolSys, By the Numbers
Work orders per year
Average customer satisfaction score
Highly trained technicians
What Our Customers Say
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Join New England’s Best Commercial HVAC and Refrigeration Team
Explore exceptional career opportunities at CoolSys. Our technicians benefit from dynamic career paths in commercial, industrial and construction HVAC-R. Discover our industry-leading training, competitive compensation, comprehensive benefits and other advantages.
Contact Us for Expert HVAC and Refrigeration Solutions
CoolSys is excited to welcome another customer-focused company to our brand. We’re committed to delivering the prompt, reliable service that Duquette Refrigeration customers know and trust.
Contact CoolSys for expert solutions in commercial HVAC, refrigeration, energy and engineering.
CoolSys New England Branch
Covering Massachusetts, Connecticut, Rhode Island and Southern New Hampshire
C&I Worcester Branch
104 Blackstone River Rd.
Worcester, MA 01607
CoolSys branches are open Monday to Friday from 7 A.M. to 7 P.M., but we provide emergency HVAC and refrigeration service 24/7/365. Simply call 866-417-6586.