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TRUSTED BY GREENWICH, CT HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon200
    Verified window services reviews

Top-Rated Window pros in Greenwich - Updated Nov 2026

Good Fellows Window Corporation
4.7(
176
)
New Windows - 6 +

Serving Greenwich, CT and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"After reading the excellent reviews of Goodfellows Windows, I reached out to the company for a quote. Gary, the owner, came to my house and quoted an amazingly affordable figure. We decided to replace every window in the house including a large bay window. We also replaced a sliding glass door off of our family room, a outside door leading to our deck, and a front door unit consisting of a door and a glass window with internal shades. Because of Covid 19, our order took longer than projected. This was not the fault of Goodfellows. Our sliding door, deck door, and front door were put in first. The workers, Phil and Orlando took meticulous care to make sure everything fit perfectly. The windows finally arrived in early July and were installed over a three day period. There was a total of 28 windows. Some installation required extra work, but this was accomplished by the highly skilled team of Phil and Orlando. Gary was onsite during the entire procedure. I cannot overemphasize my satisfaction with the job performed. They even removed all my blinds and reinstalled them after the windows were put in. Get quotes from every company you want, but I guarantee that you will choose to hire Goodfellows Windows for your project. They are the BEST."
Bay windows
Taking out the old
Before
 Before
 Starting

+45

4 neighbors recently requested a quote
Recommended by97%of homeowners
Renewit Window and Glass Repair
4.6(
161
)
Door or Window Screens - Install or RepairWindow Glass - Install or Replace

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."
Response time2 days
24 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Window Genie of Westchester
Window Genie of Westchester
4.8(
16
)
Window Cleaning

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."
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+6

2 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Guncay Glass & Mirror
Guncay Glass & Mirror
5.0(
28
)
Window Glass - Install or Replace

Serving Greenwich, CT and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Excellent customer service. All work was completed in the agreed upon timeframe and communication was excellent. Competitive and straightforward pricing. They were also able to match the shower glass handles to a difficult to match bath fixture finish. All around excellent work."
Additional Photos
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+37

Response time1 day
Recommended by89%of homeowners
Avatar for Renuity Northeast
Renuity Northeast
4.3(
38
)
New Windows - 6 +New Windows - 3-5

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"
Entry Door
Doors
Doors
Doors
During Installation

+55

Response time6 hrs
2752 neighbors recently requested a quote
Recommended by66%of homeowners
C A Y Window Cleaners
4.4(
20
)
Window Cleaning

Serving Greenwich, CT and surrounding areas

Approved

In business since 2001

Free estimates

Credit card accepted

"Carlos was very great to work with. Was flexible with scheduling and did impeccable work. My windows are spotless! He was also able to have the entire interior of the house cleaned. Highly recommend Carlos for both window cleaning and interior cleaning services."
Response time3 days
6 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for BRT Services, LLC
BRT Services, LLC
4.9(
40
)
Door or Window Screens - Install or RepairEgress Window - InstallHardware, Latches & Tracks (Window) - Repair or Replace+7 more

Serving Greenwich, CT and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Brian came over very quickly after my initial call. We had damage to a window and to our dock after the serious storm that hit Greenwich, CT and other nearby areas last weekend. Brian was prompt, easy to talk to and gave us a very fair price for the work. Today the work was completed by Brian and two other men who assisted him, and everything they repaired/replaced looks better than it did before. I would recommend him to anyone and am glad I found a great company to hire for work we need done in the future."
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AFFILIATIONS

+7

Recommended by100%of homeowners
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Windows FAQs, answered by experts

Bay windows are supported by braces and industrial strength cables, often at the top of the window but sometimes at the bottom. The bay window may need buttress supports if installed on the second floor. Wood screws on the interior also hold the bay window in place. Bay windows are heavy and need proper support to prevent sagging and wall damage. You need to ensure that the support system can hold the weight of the window and the roof cab over the window.

Windows last between 15 and 30 years on average. The glass tends to last for around 20 years, while the frames last up to 50 years. This varies by the type of window frame material, glass quality, location, and level of maintenance. Wood frames have the shortest lifespan and require repainting or resealing every couple of years, while fiberglass has one of the longest lifespans.

Picture windows are still in style, even though they are one of the oldest types of windows. Other windows, like single- or double-hung windows and casement windows, have increased in popularity because they can open up for fresh air. However, homeowners still love the way a picture window can frame their lush outdoor garden or other pleasant neighborhood views.

You can choose 5/8-inch plywood or 3/4-inch plywood—anything thinner than these sizes may not withstand the impact of debris propelled by strong winds or can be easily torn off by intruders. Remember that the durability of the wood board is crucial, particularly for safeguarding your windows during severe storms. The effectiveness of using wood boards for protecting the investment you made in your home relies on using the appropriate material and ensuring proper installation.

Yes, you can install a bay window in an existing house. You’ll need to have a structural engineer draw up plans to add the necessary support to your exterior load-bearing walls and a general contractor to make the changes to the framing around the new wall opening. This will cost an average of $3,000. After that work is done, a window installer can set the new bay window in place.

The Greenwich, CT homeowners’ guide to window services

From average costs to expert advice, get all the answers you need to get your job done.