This is my second time using QCS and both times I have been immensely impressed with the level of customer service that I've received. I anticipated that a service call on the hottest day of the year would take a couple of days. QCS came the same day I called and completed the job within hours!!! And for that I am so grateful. I work overnight hours so I sleep during the day when it is the hottest and a functioning air conditioner is important to me. If there were more than 5 stars I would give more! Thank you.