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.
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| Sealant and recovery units 06/01/2024 in the HVAC Forum W [Sealant On oil drain] We are a large AC Mobile AC repair company repairing 500 to 600 ac recovery stations a year. Each season we fix about 10-20 units contaminated with sealant and in the last 5 years or so, 10-20 contaminated de desiccant. I have pos... |  | |
| Vacuum (dehydrating) Micron Gauge 05/28/2024 in the HVAC Forum Ok folks. Are you ready? Here we go! Do you incorporate a digital vacuum gauge in your AC work? Do you think it's necessary to "vacuum*)as quickly as possible in order to reach a very deep vacuum quickly? Do you think that if you "vacuum*" through a manif... | ||
| Months without looking at this Forum 05/26/2024 in the HVAC Forum Months without looking at this AC Forum, and this is what I see? Arguments about access port sealing valves and caps? Each has a specific purpose and both are required. When both are in good order and used as designed, the result is as intended. Bryan's o... | ||
| ultrasonic headphones 05/04/2024 in the HVAC Forum Have you tried ultrasonic headphones to find leaks? Is it effective? Do you have a model to recommend to me? There have been several leaks that I haven't been able to find. I wonder if this could help me? Or just a junk gadget? Thanks. | ||
| Photo of Desiccant Restricting a Modulator Condenser Passage 05/02/2024 in the HVAC Forum Photo of Desiccant Balls Restricting a Modulator Condenser Passage There are many circumstances that play into each situation. Even though I or someone else says it can never happen, the next thing that usually happens is, what can never happen . . . happ... |
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