Greenwich, CT's Highest-Rated Window Installers on Google
We don't have license data for window and glazing businesses in Greenwich, CT the way we do for some other cities on this site. This page leans on Google Maps instead: 9 businesses, ranked by rating weighted against how many people reviewed them. A strong Google rating still isn't the same thing as a license on file, so ask to see one before you sign anything.
Google Maps ratings checked · How we rank
5AIECC climate zone · ENERGY STAR Northern zone
What Greenwich's climate means for your window spec
IECC rates Greenwich's climate zone as 5A, the starting point for any code-minimum window performance here.
ENERGY STAR places Western Connecticut Planning Region in its Northern zone for window certification.
Data: U.S. EPA / DOE, ENERGY STAR, ENERGY STAR Version 7.0 Climate Zones by County/ZIP (Windows, Doors, and Skylights) (V7.0); Pacific Northwest National Laboratory (DOE Building America), Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270) (2021 IECC), from the nearest NOAA station 3.8 mi away.
9 top-rated window replacement companies in and near Greenwich
Ranked by Google rating weighted against how many people left one, so a perfect score from a handful of reviewers never outranks a strong average built on hundreds. That ranking is not a license check; call the state directly and ask for the contractor's license or registration number.
| Rank | Business | Google rating | Reviews | Category | Area | Google Maps listing |
|---|---|---|---|---|---|---|
| 1 | Prestige Window and Door Repair Connecticut | 153 | Window installation service | Greenwich 06830 | Google reviews | |
| 2 | Greenwich Windows Replacement | 48 | Window installation service | Greenwich 06830 | Google reviews | |
| 3 | Renewal by Andersen | 1,082 | Window installation service | Stamford 06910 | Google reviews | |
| 4 | The Window People | 109 | Window installation service | Stamford 06902 | Google reviews | |
| 5 | Europrestige Luxury European Windows and Doors | 24 | Window supplier | Riverside 06878 | Google reviews | |
| 6 | Windows By Toll | 92 | Window installation service | Stamford 06902 | Google reviews | |
| 7 | Europrestige | 10 | Window supplier | Riverside 06878 | Google reviews | |
| 8 | WindowRama | 28 | Window installation service | Stamford 06902 | Google reviews | |
| 9 | First Choice Windows & Remodeling | 28 | Window installation service | Greenwich 06830 | Google reviews |
Questions to ask before you sign
- How long have you held your state license, and can I see the number?
- Is this a full-frame replacement or an insert into my existing frame, and why that one?
- Who pulls the permit, and does this change trigger an egress check on a bedroom window?
- What flashing and sill pan will you use, and in what order do you install them?
- If my home was built before 1978, is your crew lead-safe certified for this job?
- What's the completion date in writing, and what happens if the schedule slips?