Each time I have called, even about 9pm one night, a service representative has arrived within a couple of hours. I have an old heat/AC unit and technician has mentioned I would need a need new system soon. Technician suggested I get a quote but never pushed me I appreciate that. When a plumber had to come out, his first thought was that I had a leak under the concrete slab, however he kept looking for the leak hoping to find it elsewhere. He found the leak just outside the house near where he originally thought the leak might be . I appreciate his willingness to keep searching and to save me money.