St. Charles, IL's Highest-Rated Window Installers on Google
We don't have license data for window and glazing businesses in St. Charles, 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 St. Charles's climate means for your window spec
IECC rates St. Charles's climate zone as 5A, the starting point for any code-minimum window performance here.
ENERGY STAR places Kane 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 3 mi away.
10 top-rated window replacement companies in and near St. Charles
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 | Advanced Windows & Siding, Inc. | 98 | Window installation service | Batavia 60510 | Google reviews | |
| 2 | Randall and Son | 832 | Window installation service | St. Charles 60174 | Google reviews | |
| 3 | EXTERIORS Windows & Siding Installers | 55 | Window installation service | St. Charles 60174 | Google reviews | |
| 4 | Window Concepts | 52 | Window installation service | West Chicago 60185 | Google reviews | |
| 5 | John Siding Contractors | 47 | Window installation service | St. Charles 60174 | Google reviews | |
| 6 | VinylTech, Inc | 45 | Window installation service | St. Charles 60174 | Google reviews | |
| 7 | HomeBuild Windows, Doors & Siding | 15 | Window installation service | St. Charles 60174 | Google reviews | |
| 8 | Fly Window & Door Company | 13 | Window installation service | Geneva 60134 | Google reviews | |
| 9 | ST Window Replacement | 5 | Window installation service | South Elgin 60177 | Google reviews | |
| 10 | McCann Window And Door | 19 | Window installation service | Geneva 60134 | 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?