Google's Top-Rated Window Pros Near Downers Grove, IL
We don't have license data for window and glazing businesses in Downers Grove, IL 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 Downers Grove's climate means for your window spec
That's the load an ENERGY STAR-rated window in the Northern zone is built to handle.
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 2.9 mi away.
10 top-rated window replacement companies in and near Downers Grove
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 | All Pro Exteriors | 120 | Window installation service | Downers Grove 60516 | Google reviews | |
| 2 | Window World Western Chicago | 403 | Window installation service | Lisle 60532 | Google reviews | |
| 3 | 1ST Window Replacement & Installation | 59 | Window installation service | Downers Grove 60515 | Google reviews | |
| 4 | DG Windows Replacement | 56 | Window installation service | Downers Grove 60515 | Google reviews | |
| 5 | Jesse Siding Contractors | 56 | Window installation service | Downers Grove 60515 | Google reviews | |
| 6 | Gilly Window Replacement & Doors | 37 | Window installation service | Lombard 60148 | Google reviews | |
| 7 | Jay's Window Replacement | 36 | Window installation service | Downers Grove 60515 | Google reviews | |
| 8 | VOS Doors & Windows - Repair and Replacement | 36 | Window installation service | Downers Grove 60515 | Google reviews | |
| 9 | Next Door & Window | 243 | Window installation service | Burr Ridge 60527 | Google reviews | |
| 10 | Ultimate Home Solutions Windows Doors & Siding Company | 191 | Window installation service | Glen Ellyn 60137 | 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?