Best Complete System Tune Up in Anaheim CA

Per the recommendation of my real estate agent, I used NexGen last week for air conditioner diagnostics and repair. While the service was completed and the air conditioner now works, I was not happy with the communication at all - and I never got the $100 discount they were advertising on their website. I was told the tech would contact me before going to the property and I was to talk to him about the discount, but he never called and then my credit card was charged without my knowledge. I would expect that someone would call and let me know everything got done and they would charge the card. I also called the office twice afterwards and was told someone would contact me and make sure I get the promised discount. No one ever called. My real estate agent also called and left a message and never received a call back. So, this week I actually need a heater specialist, and we are definitely not going to use NexGen.