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When and Where You Need Them

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P-T Calculator

This comprehensive Pressure/Temperature calculation tool provides several unique features designed to make the HVAC/R technician’s job easier.

Available for iOS and Android devices:


What’s the Alternative? 

NRI offers several alternative refrigerants when retrofitting your current R22 air conditioning or refrigeration systems.


NRI-R22 Transition

California Regulations

Guide to CA regulations on R-134a Cans

Learn More

Quality Matters
We Stand Behind Our Refrigerant

Low Quality Refrigerant can lead to:

  • Capacity Loss
  • Loss of Efficiency
  • Shortened Compressor Life

EZ One-Shot
Recovery Cylinder

  • Perfect for all Types of Refrigerant,
    Approved for Use with R-410A
  • Backflow Prevention Valves
  • DOT-39 Recovered Refrigerant Cylinder
    • No Desposit
    • One-Time Fill






EZ One Shot Brochure

Work with NRI’s Refrigerant Experts

When you need someone you can trust with your refrigerant challenges, choose NRI for its variety of services, delivered by the country’s largest, most knowledgeable team.

NRI: Your Source for
Automotive AC Refrigerants

Keep your customers cool with
National R-134A and R-1234YF refrigerants.

Visit Our Automotive Page

NRI Is the Industry Leader
for Refrigerants


Authorized Distributor Locations


30 Refrigerant







Let’s make your job easier, together. Check out our most popular resources or visit our Resource Center for even more valuable information and tools.