Glen Ellyn, IL's Highest-Rated Window Installers on Google
We don't have license data for window and glazing businesses in Glen Ellyn, 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
Climate and energy performance in Glen Ellyn
Weather at that level is one more reason the flashing and sill pan under a Glen Ellyn window matter as much as the glass sitting in it.
So ask any Glen Ellyn 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 2.8 mi away.
Google's top window installers serving Glen Ellyn, IL
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 Home Services, Inc | 199 | Window installation service | Glen Ellyn 60137 | Google reviews | |
| 2 | CS Pro Window Replacement | 58 | Window installation service | Carol Stream 60188 | Google reviews | |
| 3 | G&Z Window Replacement | 58 | Window installation service | Wheaton 60187 | Google reviews | |
| 4 | GW Window Replacement | 46 | Window installation service | Glen Ellyn 60137 | Google reviews | |
| 5 | Gilly Window Replacement & Doors | 37 | Window installation service | Lombard 60148 | Google reviews | |
| 6 | Ultimate Home Solutions Windows Doors & Siding Company | 191 | Window installation service | Glen Ellyn 60137 | Google reviews | |
| 7 | TruePlank Siding Contractors | 28 | Window installation service | Glen Ellyn 60137 | Google reviews | |
| 8 | HARRIS ROOFING, SIDING, WINDOWS & DOORS | 127 | Window installation service | Glen Ellyn 60137 | Google reviews | |
| 9 | WindowWorks | 2,825 | Window installation service | Lombard 60148 | Google reviews | |
| 10 | DuPage Window Company | 17 | 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?