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Don’t overlook a diagnostic clue
September 13, 2022
When thinking about the topic of A/C diagnostic tools, a recovery, recycle, recharge machine (R/R/R machine) is not one of the first tools that comes to mind. It may not come to mind at all in the world of inexperienced technicians.Read Article >
It isn’t blowing cold enough
June 29, 2022
"It isn't blowing cold enough.” Most any auto repair shop that does A/C work will often hear customers say this phrase. It can be the result of any number of things that can be wrong with an A/C system. Often it is a case of common things such as, a low refrigerant charge, a refrigerant overcharge, contaminated refrigerant, a blend door issue, a cooling fan problem, or maybe a weak compressor.Read Article >
A new refrigerant for Trucks?
May 4, 2022
EPA has listed HFO-1234yf under the Significant New Alternatives Policy Program for Motor Vehicle Air Conditioning in Non-road Vehicles and Servicing Fittings for Small Refrigerant CansRead Article >
Sometimes it is user error
February 8, 2022
I encountered a situation in the early days of recovery/recycling machines when they had just been introduced. I had set up a machine about four months earlier when the customer purchased it. I went to great lengths to cover proper operation of the unit and the shop owner even attended a certification clinic I conducted.Read Article >
Air contamination in an A/C system can ruin your day
February 2, 2022
I had a memorable encounter with air contamination in the mid 1990s. I was conducting a lot of retrofit clinics at the time and had recently acquired a demo refrigerant identifier which I took to those clinics. At one clinic, there was a technician who was extremely interested in the refrigerant identifier.Read Article >
The effects of air contamination in an A/C system
January 11, 2022
If you perform an Internet search for effects of air contaminated refrigerant on automotive A/C system pressures, you’ll find many results. This information leaves no doubt that air contamination of refrigerant in an automotive A/C system can affect system pressures and temperaturesRead Article >
Refrigerant capacity and mobile A/C service
June 8, 2021
One of the most frequently asked questions on tech help-line calls is: How much refrigerant is in that mobile A/C system, and have you checked to be sure the refrigerant is pure?Read Article >
Robinair sponsors free Section 609 test prep webinar and test for 500 technicians this summer
June 7, 2021
Robinair sponsors free Section 609 test prep webinar and test for 500 technicians this summerRead Article >
Marks Air celebrates 50 years of mobile air success
March 16, 2021
MACS member Marks Air Inc. celebrates 50 years of being in business.Read Article >
Tank full of air!
March 15, 2021
The problem is usually caused by excessive air in a system, and since too few shops use a refrigerant identifier, they don’t know when these problems come up, nor how often they are solving problems by doing this.Read Article >
