I have used Gem Windows and Doors for two sets of installations over approximately 5 years. I got great service when Spiros himself was working with me, but the salesperson in the office that I got transferred to for the second set of windows was slow to respond and didn't seem to care about my project. The main grievance I had with the sales people is that they suggested and installed awning windows on my second-floor and there is no way to clean them. I would have expected them to strongly suggest sliders...when I said something to them about this they didn't suggest any alternatives (or compensation for their bad advice). == The installers however are great. The are professional, helpful and upfront about things. They cleaned up well and did the job in a short amount of time.
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