Fort Collins, CO's Highest-Rated Window Installers on Google
We don't have license data for window and glazing businesses in Fort Collins, CO the way we do for some other cities on this site. This page leans on Google Maps instead: 10 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
5BIECC climate zone · ENERGY STAR Northern zone
Climate and energy performance in Fort Collins
Larimer County sees about 15.9 inches of precipitation and 51.4 inches of snow in a normal year.
Weather at that level is one more reason the flashing and sill pan under a Fort Collins window matter as much as the glass sitting in it.
So ask any Fort Collins contractor how they handle both, not just which brand they carry.
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 2.2 mi away.
Google's top window installers serving Fort Collins, CO
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 | AllGuard Windows and Doors Fort Collins | 166 | Window installation service | Fort Collins 80524 | Google reviews | |
| 2 | Window Well Solutions LLC | 136 | Window installation service | Fort Collins 80524 | Google reviews | |
| 3 | Glass Doctor of the Front Range | 953 | Window installation service | Fort Collins 80525 | Google reviews | |
| 4 | 3 Bidz Windows and Patio Doors | 89 | Window installation service | Fort Collins 80525 | Google reviews | |
| 5 | Basement Escape | 39 | Window supplier | Fort Collins 80521 | Google reviews | |
| 6 | Bellwether Windows, Siding, & Doors | 18 | Window installation service | Fort Collins 80525 | Google reviews | |
| 7 | Prism Glass | 18 | Window installation service | Fort Collins 80525 | Google reviews | |
| 8 | Moffat Glass | 16 | Window installation service | Fort Collins 80525 | Google reviews | |
| 9 | Window Depot USA of Northern Colorado | 23 | Window installation service | Loveland 80537 | Google reviews | |
| 10 | Champion Replacement Windows of Ft. Collins | 1,294 | Window installation service | Loveland 80538 | 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?