Google's Top-Rated Window Pros Near St. Peters, MO
St. Peters hasn't cleared the bar this site needs from a state license file to earn its own license page. So we searched Google Maps for window replacement company listings in St. Peters, MO and ranked the ones that qualified by rating and review count. 10 made the cut here.
Google Maps ratings checked · How we rank
4AIECC climate zone · ENERGY STAR North-Central zone
What St. Peters's climate means for your window spec
St. Louis, MO-IL piles up about 4,863 heating degree days in a normal year, against 1,357 on the cooling side of the ledger.
That's the load an ENERGY STAR-rated window in the North-Central 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 1.3 mi away.
10 top-rated window replacement companies in and near St. Peters
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 | Window Depot USA of St. Louis (XteriorPRO) | 261 | Window installation service | St Peters 63304 | Google reviews | |
| 2 | Windows Doors & More LLC | 197 | Window supplier | St Charles 63301 | Google reviews | |
| 3 | STL Windows and Doors | 200 | Window installation service | Earth City 63045 | Google reviews | |
| 4 | Forefront Windows and Doors | 51 | Window installation service | St Peters 63376 | Google reviews | |
| 5 | Home Comfort Exteriors | 70 | Window installation service | St Peters 63376 | Google reviews | |
| 6 | Hawthorn Home Exteriors | 43 | Window installation service | St Peters 63304 | Google reviews | |
| 7 | Glass Doctor of St. Charles, MO | 119 | Window installation service | St Charles 63304 | Google reviews | |
| 8 | Chris window repair | 21 | Window installation service | Not listed | Google reviews | |
| 9 | Mapco Exteriors LLC | 53 | Window installation service | St Peters 63304 | Google reviews | |
| 10 | Window World of St. Louis | 1,003 | Window installation service | Earth City 63045 | 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?