I had a problem with my air conditioner and 3H Contracting was listed in the coupon book. Since I wasn't overwhelmed by the last company I used I decided to try 3H. They sent out a really nice young man who knew what he was talking about.
We ended up replacing the outside unit. He also checked over everything in the system. The air handler was only a couple of years old so he said there was no reason to replace that. That was nice, since most companies just try to sell you everything. The air conditioner is perfect; it is working great.
My mother-in-law was also having problems with her air conditioner. I recommended 3H and got her the number. They replaced her whole system. She was very happy with the service, cleanliness, and everything that went along with it.
I will call them for my semiannual check. They were always on time, worked efficiently, and cleaned up after themselves. I would highly recommend them.