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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

  • Attend annual conferences
  • Participate in monthly “Lunch & Learn” webinars
  • Subscription to The Cooling Journal, our bi-monthly magazine
  • Subscription to NARSA Now newsletter
  • Connect with 200+ radiator shops and manufacturers, cooling system experts and DPF specialists
  • 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

May 2021 Newsletter

The first quarter of 2021 is completed, and typically everyone in the cooling system business is eagerly anticipating a change in the weather. NARSA/IDEA is looking forward to our upcoming Spring 2021 Virtual Conference featuring a range of speakers, technical presentations, and panel discussions. Learn more about our diverse lineup in our latest newsletter.

“Solder & Soot” Podcast Episode 05: Economist Dr. Mary Kelly

How has COVID-19 impacted the global supply chain? In this episode, we sit down with Dr. Mary Kelly, a renowned economist, author, public speaker, and professor. Hear how Dr. Kelly describes the current state of the economy and what business owners need to know about what could happen next. 

Are Business Meetings a Waste of Time?

What I learned late in life was meetings actually increased our productivity and most importantly improved the employee and customer experience. How can so many businesses and managers of companies be so far off without realizing the detriment of bad meetings?

The Cemeteries are Filled with Indispensable People

The pandemic has shown us that people are  adaptable and can adjust to world changing events. Letting go and empowering people may be difficult at first, but the long-term effects are really what being in business is all about. Working together as a team has transformed our organization. The less I’m needed, the more successful we’ve become. 

March/April 2021 Cooling Journal

In the March/April 2021 cover story, we learn the origin story of Diesel Emissions Service and how DES owner Steve Hoke’s business philosophy impacts his companies. This issue also includes several technical articles on typical Shell & Tube heat exchangers, Aftertreatment 101 and a guide to turning Plastic Tanks to All-Metal.

Webinar: Fitting Identification (Part 1)

Heavy Duty cooling system repair requires properly identifying fittings. It is recommended to test certain heat exchangers with high pressure nitrogen. In order to test at 300 psi, it is necessary to have fittings that will seal the cooler’s original fitting set up. Identifying the fitting that will be needed for testing will be covered in this webinar. 

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