About Us
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Windows, Siding, Roofing, and Doors Installation
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A Team You Can Count On

Here, at Advanced Window Systems, we want your Window replacement, vinyl siding installation, roof replacement and shower/bath installation to be an easy and worry-free experience!

Advanced Window Systems is a family-owned and -operated business with over 40 years of experience. We are one of the most highly respected, trusted, and regarded companies in our industry. We treat all of our customers as individuals, not just as numbers so when you sign on with us, you become a valued member of the AWS family. Our professional and polite employees will do everything in their power to establish a repertoire with their customers, facilitating easy communication and business transactions.

We offer our customers outstanding value by providing premium products and superior customer service, specializing in windows, sidingroofing, doors and now shower & Bath! We back both our products and our expert workmanship with the strongest lifetime warranty on the market, giving our customers the utmost peace of mind. Any product of ours comes with a guaranteed standard of quality that you just can’t find anywhere else.

Advanced Window Systems is fully licensed and insured in both Connecticut and Massachusetts.

We ensure each project is performed by a qualified team of experts with our factory trained installation crews. Not only are our employees great workers, they’re great people too! We understand the subtleties in working in private residences, so our employees are sensitive to the client’s needs on a case by case basis. If you have any special requests regarding how our employee’s conduct themselves during the installation process, don’t hesitate to ask.

Connecticut Registration #0556507 | Massachusetts Registration #176974

1978
Joe LaVoie starts replacing windows, siding, roofing, and doors, working out of his Marlborough, CT home.
1997
Joe names the business Advanced Window Systems, LLC and moves to a building where he can manufacture his own windows.
2006
AWS outgrows their manufacturing operation. Joe decides to hire another family-owned company to produce his exclusive window, and the company moves to their building in Berlin, CT.
Today
AWS has grown to become one of the Top 500 home improvement companies in the nation.
Advanced Window Systems will donate a portion of the proceeds of every job to help feed American families in need.
107,503
meals provided to American families so far!
Rating
4.9
Rating
5.0
Rating
4.5
Rating
4.8
Rating
4.5
AWS Advanced Window Systems, LLC
"We have used AWS twice and both times we had a positive experience. Mark was wonderful with his presentation, he was so friendly, and super knowledgeable with the product. Karl and Billy were very professional. We plan to do a few more projects with AWS in the future.”
DAN AND REBECCA L.
AWS Advanced Window Systems, LLC
"I am so happy and pleased to have chosen Advanced Window Systems to replace our old windows with the efficient ones we chose for install, the installation team was prompt, polite and very experienced. I would suggest to anyone looking for new windows that your search has ended, I recommend them to get the job done. I am so happy.”
CHANIER PEMBERTON
AWS Advanced Window Systems, LLC
"We are very happy with the windows that we bought from AWS. The installation was professional and clean. The crew did their best to complete the job in less time than was expected.”
Michael B.
AWS Advanced Window Systems, LLC
"Just had new windows installed and everything went perfectly! Installer was on time, professional, completed the job quickly and cleaned up everything after. Windows look beautiful! We could not be more pleased. Will be calling them to complete our final set of windows sometime later this year/ early next year!”
Jenna V.
AWS Advanced Window Systems, LLC
"AWS was just wonderful! Can't emphasis enough how well they take care of their customers. My installer, Marcin, was hardworking and efficient. Did everything perfectly. And the turnaround was excellent. Windows came in a lot quicker than I was expecting. Can't recommend enough! Thank you, AWS!”
Jennifer H.
AWS Advanced Window Systems, LLC
"I am so pleased with my whole experience. From the estimate to the completion everyone was helpful and courteous. They were done in a day. I would highly recommend advanced to everyone I know.”
Jennifer D.
Easy As 1 2 3
Appointment

Any time that works best for you.

Design Consultation

We'll help you make the right choice for your home.

Easy Installation

On time, clean, and professionally installed.

Over 10,000 homeowners made their homes more energy efficient, beautiful, maintenance-free, and protected with our windows, siding, roofing, and doors.