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Automotive HVAC Forum

Professional automotive forum for discussion of heating, ventilation, and air conditioning maintenance and repairs. Includes discussion of refrigerants, refrigeration lubricants, system analysis and diagnostics, filtration, HVAC-specific tools & equipment, best practices, and more. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the Technical Discussion Forum.

Recent Automotive Discussions in the Automotive HVAC Forum

Evaporator coatings
05/06/2021 in the HVAC Forum
I have a special situation with a Case wheel loader that operates in a somewhat toxic environment that possibly may be damaging the evaporator coils. I am not the tech or shop who did the previous work on this unit. Story is the unit was purchased new, af...
Big leak detection
04/29/2021 in the HVAC Forum
As a lot of you know by now I am gearing up for Y1234YF service. One concern is the empty system we may see from time to time. I don't want to throw in expensive YF to and try to test knowing YF and money is escaping faster than our tax dollars are being ...
R1234YF Pricing
04/28/2021 in the HVAC Forum
I have pulled the trigger and am now officially in the R1234YF business. This is more involved and time consuming than R1234 and I am trying to come up with pricing for different needs that these systems might have. The pricing I came up with has scared a...
Nitrogen testing?
04/21/2021 in the HVAC Forum
I'm trying to broaden my knowledge and capabilities with A/C systems. The next step I am looking at is a nitrogen charging setup. I see the advantage to being able to use higher pressures to find the leak quickly and not wasting r134a while looking for th...
How to ensure quality of recovered AC GAS
04/20/2021 in the HVAC Forum
Just bought a new Bosch recovery unit - BOSCH ACS 611. Now days, here, we have lots of R134A AC gas suppliers and many Chinese company entering in the market. We recover [...] many unknown cars to the New machine. And now my worries is those contaminated ...

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