By Steve Schaeber, MACS manager of service training Last year around this time the US Environmental Protection Agency (EPA) finalized Rule # 20, which was a Change of Status Rule…
We have received some questions about putting R-134a into HFO-1234yf system and here’s why you should not do that from EPA. From the 2015 EPA SNAP Final Rule: For vehicles…
By Elvis L. Hoffpauir, MACS President and Chief Operating Officer There’s no one better to talk to members of the service industry about R-1234yf than the folks at Fiat Chrysler…
By Steve Schaeber MACS Manager of Service Training Many of the service shops and technicians we talk to about vehicles using refrigerant 1234yf are only just starting to get requests…
By Steve Schaeber, MACS Technical Editor On November 9, 2015, EPA published a proposed rule to amend section 608 of the Clean Air Act pertaining to refrigerant management program regulations….
by Jacques Gordon To anyone who has been following along, it looks more and more like the auto industry will never have one universal air conditioning refrigerant. That means we…
Do you have questions on how to service and repair your refrigerant recovery and recycling machine? You can have them answered on Friday, January 17, 2014 at the MACS Training…
There never has been and never will be just one In the mid 1750s, Ben Franklin experimented with using vacuum to evaporate liquid ether, and he recorded a significant temperature…
From the MACS Technical Think tank Mixed/Cross-contaminated Refrigerant When a vehicle arrives at your shop for A/C service, try to determine if you might be about to work on a…
1) What is HFO-1234yf?
HFO-1234yf is a chemical refrigerant that will be used in new cars in place of R134a.
