Buyer and installer beware!

The hydrocarbon-based flammable blend refrigerants are out and about once again.

A reminder to service shops about hydrocarbon based blend refrigerants.

It is illegal to install it as a replacement for R12 in all 50 states; it is illegal to install it as a replacement for any mobile A/C system refrigerant in 19 states, plusWashingtonDC. It is legal to sell and posses it anywhere in the country; just illegal to install it as a mobile A/C system refrigerant as noted above.

It is not approved for use by any vehicle, system or component manufacturer, and virtually all vehicle, system and component manufacturers, as well as virtually all tool and equipment manufacturers, will not honor any warranty claims on any system, component or equipment that it has passed through.

It cannot be recycled for re-installation in the shop, and it is illegal to vent it to the atmosphere; it must be recovered (using a dedicated recovery-only machine) and sent off-site for destruction.

When having your mobile A/C system professionally serviced, insist on proper repair procedures and quality replacement parts. Insist on recovery and recycling so that refrigerant can be reused and not released into the atmosphere.

If you’re a service professional and not a MACS member yet, you should be, click here for more information.

You can E-mail us at or visit to find a Mobile Air Conditioning Society member repair shop in your area. Visit to find out more about your car’s mobile A/C and engine cooling system.

The 32ndannual Mobile Air Conditioning Society (MACS) Worldwide Convention and Trade Show will take place January 18-20, 2012 at the Rio All Suite Hotel and Casino in Las Vegas, NV.


About macsworldwide

Mobile Air Conditioning Society (MACS) Worldwide Founded in 1981, MACS is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. Since 1991, MACS has assisted more than 600,000 technicians to comply with the 1990 U.S. EPA Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment. The Mobile Air Conditioning Society (MACS) Worldwide’s mission is clear and focused--as the recognized global authority on mobile air conditioning and heat transfer industry issues.
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