Top-Rated Window Replacement Companies in Grand Junction, CO
Grand Junction's 10 listings below come from Google Maps rather than a state license file. IECC climate zone 5B sets the energy bar for a Grand Junction window job no matter which kind of list a contractor's name comes from. Checked October 2026.
Google Maps ratings checked · How we rank
5BIECC climate zone · ENERGY STAR Northern zone
What Grand Junction's climate means for your window spec
Grand Junction, CO piles up about 5,131 heating degree days in a normal year, against 1,374 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 3.1 mi away.
10 top-rated window replacement companies in and near Grand Junction
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 | Easy Glass | 331 | Window installation service | Grand Junction 81501 | Google reviews | |
| 2 | The Glass Guru | 251 | Window installation service | Grand Junction 81505 | Google reviews | |
| 3 | Novus Glass | 117 | Window installation service | Grand Junction 81505 | Google reviews | |
| 4 | Glass Doctor of Grand Junction | 411 | Window installation service | Grand Junction 81501 | Google reviews | |
| 5 | Window World of Grand Junction | 53 | Window installation service | Grand Junction 81505 | Google reviews | |
| 6 | Glass Pros Inc. | 49 | Window installation service | Grand Junction 81505 | Google reviews | |
| 7 | Mountain View Window & Door | 36 | Window installation service | Grand Junction 81505 | Google reviews | |
| 8 | E&E Door and Window | 16 | Window supplier | Grand Junction 81501 | Google reviews | |
| 9 | Pella Windows and Doors Showroom of Grand Junction, CO | 39 | Window installation service | Grand Junction 81505 | Google reviews | |
| 10 | The Glass Brokerage | 109 | Window supplier | Grand Junction 81501 | 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?