I received several estimates to replace a sliding door and 6 double-hung windows. The Pella estimate was higher than the other companies, but I went with them because of their reputation and advice from family/friends. The installer arrived on time in late-August. He was very professional and left no mess behind. The installation of the door and windows took approximately 6 hours. After a couple of days, I noticed that one window screen had a tear and one window screen had a bent frame. Also, one window slid down when opened. I reported these issues to Pella (aka Crawford Doors and Windows), and they set-up a service appointment for mid-October. The service tech arrived on time in mid-October and replaced the torn and bent screens. HOWEVER, he didn't have the correct balance to fix the window that slid down when opened. I showed the service tech two more issues -- the bottom of some window screens were bowed (not flat against the sills) and the side trim had been cut too short leaving gaps/holes in the corners of some windows. He said he would bring weather stripping and caulk with him when he returned to fix the balance. I called Pella several times in November to ask when they would be returning for a service visit and was told they were waiting for a ship order for the balance. They finally called me in December to set-up a service appointment. I told the phone rep to make sure 3 things were to be taken care of -- the balance, weather stripping, and caulking. (I was frustrated that it took 6 weeks to schedule the appointment, so I wanted their next visit to be the last one!!) The service tech arrived on time in mid-December, replaced the window balance, and caulked the gaps/holes in the side trim. HOWEVER, he didn't have the weather stripping. The saga continues. I expected more from this company. Their responsiveness to issues leaves a lot to be desired.