Top-Rated Window Replacement Companies in North Haven, CT
We don't have license data for window and glazing businesses in North Haven, CT the way we do for some other cities on this site. This page leans on Google Maps instead: 10 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 North Haven's climate means for your window spec
Weather at that level is one more reason the flashing and sill pan under a North Haven window matter as much as the glass sitting in it.
So ask any North Haven contractor how they handle both, not just which brand they carry.
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 mi away.
10 top-rated window replacement companies in and near North Haven
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 | Pro Exteriors LLC | 454 | Window installation service | New Haven 06511 | Google reviews | |
| 2 | Renewal by Andersen - Branford | 256 | Window installation service | Branford 06405 | Google reviews | |
| 3 | SEGUI BROTHERS GLASS LLC | 91 | Window installation service | New Haven 06513 | Google reviews | |
| 4 | Pristine Exteriors | 19 | Window installation service | Hamden 06518 | Google reviews | |
| 5 | Window Wonders | 21 | Window supplier | Hamden 06517 | Google reviews | |
| 6 | DiMartino Home Improvement | 12 | Window installation service | North Haven 06473 | Google reviews | |
| 7 | OpenSky Window LLC | 5 | Window supplier | New Haven 06513 | Google reviews | |
| 8 | CMW Roofing & Siding | 5 | Window installation service | North Haven 06473 | Google reviews | |
| 9 | The Window Source of New Haven and Fairfield Counties | 3 | Window installation service | Hamden 06517 | Google reviews | |
| 10 | Alcraft, Inc. | 55 | Window installation service | North Haven 06473 | 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?