I am so cool today They came out about 8:30, it got up to 86 before everything was up and running and I immediately felt it. I had a nice size fan on in front of me while watching TV. And the minute the ac was on, I could feel a difference in the air that was circulated with the fan. It took 4 hours for it to get to 73 whitch we keep our thermostat turned to all the time. We're $3800 poorer but cool and comfortable.