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One of New England’s leading independent manufacturer rep firms offering superior sales and application support, start-up and service, and comprehensive controls solutions for your HVAC system and building automation needs.

Trumbull Campbell takes to the sky!

Check out this very cool video of a helicopter rigging 2-75 ton AAON units onto the roof of One Devonshire Street, a 42 story skyscraper in downtown Boston with a link to the video.

Watch the video.

Trumbull Campbell and CosaTron®

Indoor air pollutants rank in the top 5 environmental risks to public health. The patented, electronic CosaTron® process controls indoor contaminants and restores fresh, clean air to conditioned spaces.

See the CosaTron® difference.


Trumbull Campbell Associates is one of New England’s leading independent manufacturer rep firms. Founded in 2006, Trumbull Campbell offers superior application and sales support for packaged roof top units, air-cooled and water-cooled chillers, air handling equipment, air distribution systems and other HVAC product lines. Trumbull Campbell also provides specifiable, stable and reliable solutions that work to address the complexity of installing and running an HVAC system, while reducing the total cost of ownership.


TCA Controls™ provides integrated controls solutions for commercial and industrial HVAC systems. Our experienced team designs, writes programs and installs complete HVAC control systems to meet an owner’s building automation needs.



TCA Solutions provides factory-trained start-up, service and commissioning support for all of the HVAC manufacturers that Trumbull Campbell Associates represents. TCA Solutions also sells parts and provides warranty claim support.

Recent Projects, Case Studies & Updates

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March 22, 2017

Raytheon – Nimitz Building

Innovative Modular Design Accommodates Building’s Difficult to Access Rooftop Mechanical Room and Narrow Corridors Challenge When defense contractor Raytheon decided to sell three buildings on its 175-acre site in Portsmouth, […]
March 22, 2017

Liberty Mutual

Responding to Intensifying Building Use by Introducing an Evaporative Condensing HVAC Unit Challenge When insurance company Liberty Mutual changed the use of a 350,000 s/f office building built in […]
March 22, 2017

South High Community School

The Worcester School District was facing a problem playing out in conference and committee rooms all over the Commonwealth, and all over the country: How to […]