I also had a Groupon. It took me several weeks to contact them as their voice mail was full. I finally got an appointment and they came out to do my windows. They did a HORRIBLE job. Left water spots and drips. Bent one of my screens removing it to clean. When I emailed the owner, he said we should wait until it cools down and they would come out again. I emailed him again the end of Sept. He didn't respond. He responded to my second email with questions but a week later has yet to respond to my answers. I also get the impression he doesn't intend to do anything but clean the spots & drips (which I already had to do) and "look" at the bent screen. I don't trust him so I decided to drop it. I'm afraid they'll do more damage or try to charge me for something. Fortunately, due to the number of complaints Groupon had against this company, they refunded the purchase price of the Groupon.