Jennings, MO's Highest-Rated Window Installers on Google
Jennings's 5 listings below come from Google Maps rather than a state license file. IECC climate zone 4A sets the energy bar for a Jennings window job no matter which kind of list a contractor's name comes from. Checked October 2026.
Google Maps ratings checked · How we rank
4AIECC climate zone · ENERGY STAR North-Central zone
Climate and energy performance in Jennings
St. Louis, MO-IL piles up about 4,292 heating degree days in a normal year, against 1,769 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 6 mi away.
Google's top window installers serving Jennings, MO
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 | Martin & Sons LLC | 166 | Window installation service | Florissant 63031 | Google reviews | |
| 2 | Right Choice Automotive Glass | 7 | Window installation service | St. Louis 63147 | Google reviews | |
| 3 | Just windows and Doors llc | 34 | Window installation service | Florissant 63033 | Google reviews | |
| 4 | Star Auto Glass, Inc. | 211 | Window installation service | St. Louis 63147 | Google reviews | |
| 5 | Penny Window | 211 | Window installation service | St. Louis 63136 | 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?