Keystone installed my sump pump 5 years ago and it has kept my basement dry during all of the heavy rains we have endured these recent years. The installers were very informative and explained exactly how everything works which I appreciated since I had no previous knowledge of this type of product. I recommended Keystone to my daughter and she too had their system installed last year which she is very happy with. The installers did a great job. The system in the carpeted area is hidden and cannot be seen. They respected all areas, cleaned up their work, and were polite. I recommend this company.
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