We chose to call Illinois Energy Windows for a quote on replacing 6 lower level windows after reading the customer reviews. They were very thorough in explaining the manufacture, warranty and installation of the windows. We also appreciated the lack of a hard sell. The installers were professional and the install took less than a day. They did not mind my asking questions and took the time to explain certain steps involved. We were impressed with how clean they left the site, inside and out. They even washed all the new windows. We would highly recommend Illinois Energy to anyone looking for quality window replacements.
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