Google's Top-Rated Window Pros Near Buffalo Grove, IL
Buffalo Grove's 10 listings below come from Google Maps rather than a state license file. IECC climate zone 5A sets the energy bar for a Buffalo Grove window job no matter which kind of list a contractor's name comes from. Checked October 2026.
Google Maps ratings checked · How we rank
5AIECC climate zone · ENERGY STAR Northern zone
Climate and energy performance in Buffalo Grove
Chicago-Naperville-Elgin, IL-IN piles up about 6,085 heating degree days in a normal year, against 933 on the cooling side of the ledger.
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 4.3 mi away.
Google's top window installers serving Buffalo Grove, 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 | Window Door Pro Installation | 81 | Window installation service | Buffalo Grove 60089 | Google reviews | |
| 2 | Aurora Doors & Windows | Window Manufacturer Chicago | 226 | PVC windows supplier | Wheeling 60090 | Google reviews | |
| 3 | WDP Window Installation & Replacement | 55 | Window installation service | Palatine 60074 | Google reviews | |
| 4 | Star Door & Window Replacement | 51 | Window installation service | Wheeling 60090 | Google reviews | |
| 5 | Apex Window Werks - Chicago Window Contractors | 3,719 | Window installation service | Wheeling 60090 | Google reviews | |
| 6 | Argo Glass & Windows - Window Repair & Glass Replacement | 1,300 | Window installation service | Palatine 60067 | Google reviews | |
| 7 | Rob's Windows Company | 36 | Window installation service | Arlington Heights 60004 | Google reviews | |
| 8 | Next Door and Window | 532 | Window installation service | Arlington Heights 60004 | Google reviews | |
| 9 | FSC Window Replacement | 29 | Window installation service | Palatine 60067 | Google reviews | |
| 10 | Azure Window Replacement & Installation | 28 | Window installation service | Buffalo Grove 60089 | 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?