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Seven Sun replaces windows and doors; its own site describes residential and commercial window and door replacement in Connecticut and Western Massachusetts. One recent customer said Seven Sun replaced all the windows in the house, more than 30, along with the front door, with pricing in line with the other quotes they got. A recent reviewer said ZZ, the owner, and Paulina worked with the condo association to get it finalized. A recent customer said Seven Sun replaced their windows, shutters and sliding patio door and finished on time without any cost changes. A recent reviewer who had a patio sliding door installed said the crew arrived on time and left the work area spotless. In a 2023 Reddit thread in r/connecticut, a commenter named Seven Sun, said it uses Okna windows, and said the experience was more positive than with most companies they looked at. On Google it shows 4.9 stars from 225 ratings, and Angi shows 5.0 stars from 35 ratings.
โHad a terrific experience with Seven Suns.โ
โSeven Sun. They use Okna windows and there is a reason their company has as close to 5 star rating as you will ever see. We had a bunch of companies we looked at and the experience with them was so much more positive than most companies.โ
Weโve used Seven Sun Windows twice now and have had a great experience both times. The work was completed quickly, cleanly, and with great attention to detail, and we couldnโt be happier with the results. Every step of the process was handled professionally, and working with ZZ and Paulina gave us complete confidence from start to finish. We would highly recommend them.
ZZ helped with selection of large replacements for front windows in living room and dining room. He has a fantastic eye for proportion and design. The results are gorgeous! His team is efficient, friendly and professional. This is the third time Seven Sun has helped with door and window updates. Highly recommend their services.
We had such an amazing experience with Seven Sun! From the first phone call with their office, to our initial visit with ZZ, the owner, to the actual installation day. Everything was exceptional! I especially appreciated that ZZ personally came out beforehand and then returned afterward to inspect the work and make sure everything was done properly. The entire team was professional, thorough, and respectful of our home. They protected all of our furniture, put down flooring so they wouldnโt track anything in, and even vacuumed and cleaned up when they were finished. I truly canโt say enough good things about Seven Sun, ZZ, and the whole team. We would absolutely recommend them to anyone!
It was quite a daunting task to find the right company to replace all the windows in my house (30+) as well as the front door. I obtained quotes from several places. Seven Sun had pricing in line with the other quotes, but I liked the quality of their windows best. I appreciated the no-pressure sales approach...just the right amount of information and no push to make an immediate decision. That alone was a big selling point. Once I decided, the whole process went flawlessly. They had great communication and worked ahead of schedule. When the installation team arrived, they were efficient, thorough, and professional. They worked impressively fast and left no trace that they were here, other than the beautiful new windows and door. Even the town inspector commented on the high quality of the windows and installation. In summary, I highly recommend them! No need to look elsewhere.
ZZ, the owner, led me through my needs and wants better than anyone else. He and Paulina worked with the condo association to get that finalized. It took a month or so for the windows, sliders, and front doors to come in. Paulina was amazingly patient with my questions. Instation was very fast, clean and the installers were kind and helpful. They even used pre painted wood so that the project was DONE when they were some. Not everyone does that. ZZ came back by to make sure I understood everything and even have us a thank you gift! The whole process could not have been more professional and beautiful. Thank you 7 Sun team!
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1 change recorded โ last scanned Oct 29, 2026.
Typical your area range for this kind of work, from regional averages โ not a quote from 7 SUN. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,000 โ $11,000
Typical exterior project around $7,500