4.7 
188 *The Angi rating for Window Service companies in Greenwich, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
*The HomeAdvisor rating for Window Service companies in Greenwich, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
Last update on March 16, 2026
Serving Greenwich, CT and surrounding areas
Approved
In business since 1996
Free estimates
Warranties offered
"Gary and his crew replaced 22 windows for us in one day on our 1969 colonial. They did a great job and I would hire them again."
+45
Serving Greenwich, CT and surrounding areas
Approved
In business since 1985
Free estimates
Emergency services offered
"Great experience from beginning to end. Aaron the sales and service representative was professional, knowledgeable and attentive. The window quality is excellent. The installation was seamless they were on time and all business. They paid attention to details and the clean up at the end was fantastic. It was a pleasure all around I highly recommend Thermo Seal."
+29
Serving Greenwich, CT and surrounding areas
Approved (Corporate)
In business since 1992
Free estimates
Warranties offered
"The guy did an excellent job. I have no complaints. This was our 2nd window project and we really liked the windows we did 6 years ago so finished off the house."
+41
Serving Greenwich, CT and surrounding areas
Approved
In business since 1970
Free estimates
Offers commercial services
"We just needed the pane in one window replaced. They came to look at it the same day I called. He measured and ordered the window in less than 10 mins. As he said, 10 days later the window pane arrived. They came and installed the window that day in less than half an hour. The service was great, timely and affordable. I will definitely remember them for any future window replacements."
Serving Greenwich, CT and surrounding areas
Approved
In business since 1984
Free estimates
Emergency services offered
"Jay replaced several torn window screens. Great customer service & wonderful job."
+7
Serving Greenwich, CT and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
"It was a fantastic experience. Kelly worked efficiently and did a superb job cleaning our windows and screens. We were extremely happy with the process and have already recommended Window Genie to a friend."
+6
Serving Greenwich, CT and surrounding areas
Approved
In business since 1961
Free estimates
Credit card accepted
"Install crew was perfect. No dust, no mess. Complete cleanup, and a perfect airtight install. For years we have had winter management strategies. Closing off room on the north side... and running space heater in those rooms during use. After installation of the ProEdge windows these rooms are as warm as the rest of the house. AMAZING! Recent warm days prove the advantage of triple glazed low-E windows, too. Nice and cool inside. I searched for years for new windows that met MY specifications . As a career engineer I am happy to recommend ProEdge to anyone. Their attention to detail is superb."
+38
Serving Greenwich, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Offers commercial services
Customers say: Terrific value
"Clear description of work. Stuck to schedule and did a great job cleaning the windows."
Serving Greenwich, CT and surrounding areas
Approved (Corporate)
In business since 2000
Free estimates
Warranties offered
"I have to say that Matt, Dave and Rich were amazing! They were professional, friendly and cleaned up after themselves! I will tell anyone I know looking for windows to call Rite Window for sure. Happy customer Darlene"
+55
Serving Greenwich, CT and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Worked with Guncay Glass & Mirror several times with Satisfactory results and professionalism in each project. Well priced and always on time, will keep using them over and over."
+37
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