Why SEVEN SUN
SEVEN SUN is the SAFEST CHOICE for profesionally installed energy-efficient replacement windows + doors for Homeowners in CT and Western MA
We sell and install some of the highest quality and the most energy efficient windows and doors on the market today. Our prices are reasonable, because we are fanatical in finding new and more efficient ways of running our business from estimates and sales throughout installations and service. We cut our costs relentlessly. Our windows and doors are installed with precision and care by the trained installation teams that follow proven installation methods as well as the methods of improving the customer experience. As a result, homeowners receive beautiful, well-designed windows and doors and clean, sharp looking installations consistently every single time.

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Product & Design Advice In
the Comfort of Your Home
FREE Consultations
Product & Design Advice
In the Comfort of Your Home
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Real Reviews From Real People
Real Reviews From our customers
Video Review | Lindsay Lamont
Video Review | Kristin P.
You will get some of the highest quality and the most energy efficient windows in the market today. Our prices are reasonable, because we are a smaller company and don’t have big overhead costs. Your windows or doors will be installed with precision and care by the team of professional and friendly people. This way you will enjoy a consistent, clean and sharp looking installation that will dramatically improve energy efficiency and the look of your home’s interior and exterior.
