Google's Top-Rated Window Pros Near Grafton, MA
We don't have license data for window and glazing businesses in Grafton, MA 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 Grafton's climate means for your window spec
Grafton sits in IECC climate zone 5A, the starting point for any code-minimum window performance here.
ENERGY STAR places Worcester County 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 7.1 mi away.
10 top-rated window replacement companies in and near Grafton
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 | Northeast Home & Energy | 253 | Window installation service | North Grafton 01536 | Google reviews | |
| 2 | Pioneer Glass | 115 | Window installation service | Whitinsville 01588 | Google reviews | |
| 3 | Window World of Boston | 366 | Window installation service | Shrewsbury 01545 | Google reviews | |
| 4 | A-1 Wholesale Window Co | 88 | Window supplier | Worcester 01610 | Google reviews | |
| 5 | Heritage Exteriors LLC | 59 | Window installation service | Upton 01568 | Google reviews | |
| 6 | Window Logic General Contractors Inc | 35 | Window installation service | North Grafton 01536 | Google reviews | |
| 7 | Bay State Window Experts | 3 | Window installation service | Westborough 01581 | Google reviews | |
| 8 | Sneade Brothers Windows-Siding | 3 | Window installation service | North Grafton 01536 | Google reviews | |
| 9 | Worcester Windows | 3 | Window installation service | Worcester 01605 | Google reviews | |
| 10 | Renewal by Andersen | 21 | Window installation service | Northborough 01532 | 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?