I had an ac that blew warm air. Called comfort masters and they were very nice and dispatched a tech within an hour. Then it was downhill from there. The tech was nice enough but he immediately determined that I needed more coolant. Gave me an option of either doing a leak test or just fill it up with coolant. Steered me into trying to just fill it up and check back next year. I did so and less than a week went buy before I had the same issue. I would think this means there was a massive leak somewhere and they should not have recommended a fix that they knew would not do anything. Basically out 500 bucks for nothing but an ozone hole in the atmosphere above my house.
Pros: fast service
Cons: do no solve actual problem
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