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One idea. One opportunity. One connection.

The National Automotive Radiator Service Association (NARSA) is a global organization for owners and operators of businesses engaged in the sale, repair, re-manufacture, production and design of heat exchange products and services. 

The International Diesel Emissions Association (IDEA) is a network geared toward helping connect suppliers and manufacturers to businesses involved in the servicing of Diesel Emissions components.


Member Benefits

  • Connect with 200+ radiator shops and manufacturers, cooling system experts and DPF specialists
  • Attend annual conferences
  • Participate in “Lunch & Learn” webinars
  • Subscription to The Cooling Journal, our bi-monthly magazine
  • Subscription to NARSA Now newsletter
  • Access to NARSA/IDEA forum & private Facebook group
  • Access to training videos and past presentations
  • Access to Solder & Soot podcast

Connect with shops & manufacturers around the world


Latest News & Articles

Another meeting season completed

This year, we had a renewed excitement in the beginning of the year by being able to plan and facilitate in-person events. This year has renewed the enthusiasm of members, the Board of Directors, and the home office. We have had three hugely successful meetings this year. We started off at Don Hart’s Radiator in…

The Heart of Our Association

At the heart of this association, we each stand to gain one idea, one connection, and one opportunity for our businesses, and feeling the vibe about the room further reinforced what the board of directors has been pushing so strongly over the last 4 years. 

November/December 2022 Cooling Journal

The final issue of the Cooling Journal of 2022 is here! This month, we learn all about Chesapeake Cooling Solutions of Maryland, a new business that’s growing in success in part thanks to NARSA/IDEA. We also see highlights from 2022’s AAPEX Show and our Member Appreciation Reception.

“Solder & Soot” Podcast Episode 21: Pat O’Connor

In this episode of “Solder & Soot,” we sit down with cooling systems industry expert Pat O’Connor, Vice President of Sales at Johnson Manufacturing. Pat will be inducted into NARSA’s Cooling Systems Hall of Fame in 2023. Without a doubt, NARSA would not be what it is today without Pat’s influence. In addition to hearing…

Hello from Scotland!

No matter the level of sophistication of yours or someone else’s business, I can assure you there is always something to learn that will make a difference in your business. New ideas are created by exposing yourself to the ideas of others. The greatest compliment to another individual or company is when you take an…

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