We needed to get our AC unit repaired back in June. We have American Home Shield (which is a huge waste of money) and they referred us to Dempsy Energy. They were very unprofessional and inexperienced. Over the course of two months they came 3 times, overcharged my system which caused it to seize and then they tried to sell me a new one. I tried to get a refund but the office staff was rude and unprofessional. I got someone else to come and look at it and it was fixed in less than an hour.