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Download Colmac Coil's Latest CO2 Industrial Refrigeration Solutions Brochure

CO2 Industrial Refrigeration Solutions From Colmac

To meet the challenges of the future in industrial refrigeration systems, cold storage and processing companies must minimize regulatory burden, utilize low global warming potential (GWP) natural refrigerants, remove toxic and flammable refrigerants from the operating space, and increase system efficiency. CO2 as a refrigerant meets all of these challenges and helps future proof the refrigeration system. With Colmac Coil’s unique customized manufacturing and design capabilities, the exact evaporator, spiral and tunnel freezer coil, and CO2 gas cooler are provided to the specifications for every CO2 refrigeration system and application type.

Download our CO2 Industrial Refrigeration Solutions Brochure to learn more about our customized A+Series® Industrial Air Coolers, CO2 Spiral and Tunnel Freezer Coils, CO2 Gas Coolers, and other configurations designed for CO2 Industrial Refrigeration Systems.


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Visit Colmac Coil at The RETA 2022 National Conference in Reno, Nevada.

Visit Us At The RETA 2022 National Conference

We’re excited to exhibiting at the RETA 2022 National Conference in Reno, Nevada on November 8-11!. Join us at booth #127 to meet the team and learn about our latest industrial refrigeration solutions. We will have a DX CO2 A+Series® A+S Industrial Air Cooler with a full coverage polypropylene drain pan and a seperate EC fan motor that will be on display in the booth. We look forward to seeing you in Reno!

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EC Fan Motors are available

EC Fan Motors Continue To Be Available


Colmac Coil made a strategic decision to maintain a large quantity of electronically commutated (EC) fan motors in a variety of sizes to be able to meet the demand of the market. EC fan motors are the default fan motor for A+Series® A+S, A+M, and A+L Industrial Air Coolers, and all configurations of Colmac Coil Fluid Coolers and Condensers.

EC fan motors are a complete fan/motor assembly which includes a highly engineered fan and bell mouth matched to an EC  motor. The EC motor is a brushless DC motor with on-board programmable speed control. 
Features and Benefits of EC fan Motors
  • High efficiency especially at part load/reduced speed
  • Large airflow capacities (up to 910mm diameter)
  • Extremely low sound levels
  • Long air throw with standard built-in straightening vanes
  • Plug-and-play fan/motor/bell mouth assembly
  • High reliability and long life
  • Corrosion resistant construction
  • Ingress Protection rating of IP55

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Fluid Cooler with EC fan motors
Fluid Cooler built with industrial grade features

Project Highlight: Fluid Cooler For Food Processing Plant

This flat deck fluid cooler in a vertical configuration manufactured for an onion processing plant is built with ten efficient EC fan motors that provide built in fan speed control, large airflow capacities, corrosion resistant fans, and all individual fan motors are factory wired to a common UL listed enclosure.
Colmac Coil Fluid Coolers and Condensers are ready for installation from the factory, including optional stainless-steel flanges designed for an easier installation at the job site. Stainless steel tubes, galvanized steel housing, and thick aluminum fins were chosen for an industrial design. Many leg heights are available to match the requirements needed for the application.

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Colmac Coil Is On The Career Fair Circuit

In an effort to expand our growing engineering and production teams ,Colmac Coil recently exhibited at  university career fairs at Gonzaga University, Eastern Washington University, The University of Idaho, and a local Tri-County high school career fair in Eastern Washington.  Colmac Coil is proud to support our local communities and provide excellent career opportunities.
Colmac Coil team members a local community event in Paxton, Illinois
Colmac Coil team members at the Paxton Swine 'N Dine BBQ Contest & Festival  in Paxton, Illinois.
Find Colmac Coil at a upcoming trade show

Upcoming Trade Shows & Events

Colmac Coil has world class manufacturing facilities in Washington State and Illinois. To learn more visit
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