Gem Windows and Doors

We had Gem convert a bedroom window into patio doors in 2010 and were so pleased with service, we had them replace other windows in our home in Aug'11. We had 2 quotes and Gem was lower then competitor, as well we felt the product being offered by Gem would be superior to what other company offered.
Installation was done within timeline quoted, (albeit toward end of timeline and we called them to follow-up). The installers (Walter & Dave) were very professional. The install was complete within the scheduled day and they left our home and yard tidy and free of debris.