We installed some Sierra Concepts windows a few months ago, and we just love them! In fact, we love them so much that we want to order more; and eventually replace every single window in our home. Today, we experienced the first hot day of the season, and the rooms that had the Sierra windows were significantly cooler than the rooms with our old windows. They really are energy efficient. We couldn't believe the difference! We also wanted to let you know how pleased we were with the entire process, from ordering to installation. Our new windows arrived much earlier than expected and the crew that installed them not only did an excellent job, but they were also knowledgeable, professional and courteous. We would highly recommend Sierra Window Concepts to anyone who is thinking about replacing their windows. Great price- beautiful windows- fantastic service!
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