Since its inception AAON® has provided designs of the highest quality and performance that lead the HVAC industry. Our objective remains the same! Performance oriented products that perform beyond expectations and provide life-cycle dependability at a reasonable first cost.
AAON, Inc. and AAON Coil Products, Inc.


  • 100% Outdoor Air Units
  • Energy Recovery Units
  • Rooftop & Split Systems
  • Chillers & Air Handlers
  • Outdoor Mechanical Rooms
  • Air Source Heat Pumps
  • Geothermal & Water-Source Heat Pumps
  • Evaporative cooled
  • Natatorium and Pool Room Units
  • Condensers & Condensing Units
  • Fluid Coolers
  • Controls

The Orion System Components are designed to be integrated with the AAON®/WattMaster Factory Packaged Controls. The components that are available allow HVAC equipment with AAON®/WattMaster Factory Packaged Controls installed to be interconnected, networked, and expanded to provide a complete building system solution for the customer. ***Formerly WattMaster and Orion Controls.

Using the most current technology,  AnnexAir has capacity range from 2,000 CFM to 100,000 CFM for Energy Recovery or Make Up Air units  and Cooling capacity from 10 to 300 tons. Chilled Water, Air Cooled, Water Cooled, and WSHP

  • Air Purification
  • Odor Control
  • Gaseous Contaminant Control
  • Indoor Air Quality
  • Full suite of roof curbs and adapters
  • Wide variety of specialized curbs
  • Vibration isolation
  • ​​Seismic-rated
  • Wind-rated
  • Air management add-ons
  • Custom design and field services

Displacement ventilation chilled beams;

custom sheet metal accessories for terminal devices

The Dectron Dry-O-Tron dehumidifiers come in all sizes and configurations to cover every size of facility in every climate.  Compressorized and non-compressorized technologies as well as hybrid technologies to provide the best of both worlds.  Applications include indoor swimming pools, commercial and industrial dehumidification, make-up air, water treatment facilities and custom applications.

  • VRF Systems
  • Ductless Splits

Full line of fan coils, air handlers, and coils.




Full line of applied products and unit heaters. Offered in all fuel sources and configurations, you are assured the perfect heating solution for your specific application.

Manufacturer of humidifiers, electric heaters, HVAC controls and electric actuators.

 Full line of commercial and industrial fans.

Specializes in manufacturing competitively-priced, precision-engineered replacement coils and OEM coils.


Rupp products are designed to produce the most efficient method of tempered heating and cooling for a wide range of make-up air applications. With five manufacturing facilities and broad product breadth, they are able to provide economical quality engineered ventilation solutions in an industry leading time frame. Exhaust fans, highly efficient direct and indirect fired heat products, packaged cooling units and complete kitchen ventilation line.


Sondex delivers plate heat exchangers as well as customized heat transfer solutions for any task. The Sondex plate pattern is designed to solve a variety of different heat exchanger applications

 Full line of unit heaters, duct furnaces and applied heating products.

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1486 Highland Avenue

Suite 7A

Cheshire, CT 06410


Phone: +1 203 2713386


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