I have been doing business with Cypress Heating and Air Conditioning for quite a while now and I always want the best and Cypress is the best in the area. Most recently I had them over for my December servicing, they changed a filter on my unit and gave me information regarding my service contract. I'm in the process of trying to get a smart thermometer to get a rebate with Edison. The owner has taken care of me and if I have any issues I know I can contact him and he'll do his best to solve the issue. I would highly recommend them, they are our neighborhood guys.