Many years ago I asked someone who worked for Nevada Power to recommend a reliable company that wouldn't rip me off. She gave me two names. I called Anderson. They have been my company ever since, Their service charge is in line with everyone else, their service techs are professional and they are honest (Wow!).
Let me tell you a little story -- a few years back at the beginning of the long New Year's weekend, our heat went out. Anderson came out right away and turns out we needed a new motor. Problem was that their supplier was closed for the next 3 days. This was one of those bitterly cold years when it froze every night. The repairman (and it might have been Tom, the owner) asked if we had any space heaters. No, we don't. He then drove back to his office across town and returned 90 minutes later with 2 space heaters for us to use until they could repair the heat pump. A very kind thing to do -- way above and beyond what any "big" company would do.
I highly recommend Anderson. You can trust them.
I see a bad review here and am puzzled because in all the years I have been using them, Anderson has always been honest with me. (Also gave me a plumbing tip that unclogged a stubborn drain and saved me an $85 plumber's fee. Thanks, guys!)