Quote:
Originally Posted by MattP725
This actually isn't true... my friend is an HVAC specialist and it is the opposite... it could be low if the compressor is constantly running. Eventually it might freeze up and stall but it would be a while before that happened. Usually they quit on the home AC systems because they are never shut off due to not reaching temp.
Might just be a clutch switch, might be a panel, might even be the compressor but usually you get some symptoms of that (burning smell, noise, etc). As mentioned the systems are expensive unfortunately so outside of the small checks you will ultimately have to suck it up. Even if it is just the line set that is leaking, I believe you need special tools to properly oil and bleed the system, not just a recharge kit.
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Correct. If you intend on PROPERLY working on any A/C system, you need several specialized tools. The biggest one is the system used to vacuum and fill/charge the A/C with freon. In order for the A/C to work, you need to vacuum all of the old freon and moisture from the system before recharging. Also, there's special wrenches for the lines as well as other things you need. This is why I haven't touched an A/C system since leaving auto tech school. The cost of the tools doesn't justify itself when I have 1 or 2 A/C repairs every couple years. I'm sure we have the equipment to do it here in the shop, but I haven't had any A/C issues since working here.