Oak Forest, IL's Highest-Rated Window Installers on Google
We don't have license data for window and glazing businesses in Oak Forest, IL the way we do for some other cities on this site. This page leans on Google Maps instead: 8 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 Oak Forest
IECC rates Oak Forest's climate zone as 5A, the starting point for any code-minimum window performance here.
ENERGY STAR places Cook County in its Northern zone for window certification.
Normal temperatures run 23°F in January and 74°F in July, so the glass package worth paying for in Oak Forest isn't the same one that pencils out two zones over.
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 8.6 mi away.
Google's top window installers serving Oak Forest, 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 | Argo Window Repair & Replacement Southland | 82 | Window installation service | Orland Park 60462 | Google reviews | |
| 2 | Evergreen Door & Window | 55 | Window installation service | Crestwood 60418 | Google reviews | |
| 3 | Welsh Windows Plus | 78 | Window installation service | Alsip 60803 | Google reviews | |
| 4 | Accurate Custom Sash & Mill Corp | 20 | Window installation service | Oak Lawn 60453 | Google reviews | |
| 5 | Tinley Park Window Replacement | 18 | Window installation service | Not listed | Google reviews | |
| 6 | Window & Door Superstore | 200 | Window installation service | Oak Forest 60452 | Google reviews | |
| 7 | Weber & Sons Window & Siding | 24 | Window installation service | Oak Forest 60452 | Google reviews | |
| 8 | Replacement Window Systems | 4 | Window installation service | Markham 60428 | 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?