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

Check Out Lennox VRF Hinged Doors and Integrated Controls

TCA VRF is pleased to be the exclusive distributor of Lennox VRF in Eastern New England (MA, NH, ME and RI). Our Custom Lennox VRF Trailer hits the Road April 1st. Call your Sales Engneer to book a stop!!
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How TCA Makes Building Owners Happy!

Are you a Building Owner? Architect? Engineer? Contractor? Consultant? Facilities Manager? HVAC Technician? Then you need to watch How to Be Happy, and let Trumbull Campbell Companies help YOU to be happy (your kids will love this animated video, too). (2 min.)

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Bipolar Ionization is Proven to Neutralize Coronavirus by More Than 99.9%

Dr. PhilipTierno, NYU Langone Medical Center (NYC) explains how bi-polar ionization works, why he personally uses AtmosAir, and why it is effective at sanitizing the indoor air that we breathe.

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AAON Launches the New RZ Series!

Check out this very cool 32 second video of an AAON RZ Series Crane Lift!

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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 VRF specializes in the design, installation and service of variable refrigerant flow (VRF) air conditioning and heating systems. TCAVRF is the exclusive representative of Lennox VRF® in New England (MA, ME, NH and RI). TCAVRF sales engineers are dedicated solely to Lennox VRF®.


TCA Controls™ controls designs, programs and installs HVAC control systems with customer Graphic User Interface (GUI), touch screen access, remote monitoring and control using Tridium Niagara and Distech controls. Whether you need compete Building Automation System (BAS) or integration of your HVAC equipment into an existing BAS, TCA Controls™ can meet your building automation needs. TCA Controls™ works on HVAC equipment sold by Trumbull Campbell Associates, and all other HVAC systems.


TCA Solutions provides factory-trained start up and commissioning services on all of the product lines sold by Trumbull Campbell and TCA VRF.


HVAC PARTS-DIRECT sells commercial HVAC parts and provides warranty claim support for AAON and many other brands. HVAC Parts-Direct provides free shipping nationwide for all online orders.