Who Can Buy Refrigerant? EPA Section 608 and 609 Rules Explained
Most refrigerants in the U.S. can only be sold to EPA-certified technicians. Here is who qualifies, what the small-can exception covers, and what to have ready before you order.
Guides
R-134a or R-1234yf? How to Tell Which Refrigerant Your Car Uses
Most newer cars use R-1234yf, older ones R-134a, and the two must never be mixed. Here is how to check which one your vehicle needs before you buy.
R-410A in 2026: What the Latest EPA Rule Means for HVAC Technicians
EPA removed the R-410A installation deadline in July 2026, but new systems still move to lower-GWP refrigerants like R-454B and R-32. Here is what changed and what it means on the job.
Refrigerant Cylinder Safety: Storage, Handling and Transport Basics
Refrigerant cylinders hold liquefied gas under pressure. These are the basics for storing, handling and transporting them safely, at the shop, in the van and on the job.