Top-Rated Window Replacement Companies in Golden, CO
Golden's 10 listings below come from Google Maps rather than a state license file. IECC climate zone 5B sets the energy bar for a Golden 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 Golden's climate means for your window spec
IECC rates Golden's climate zone as 5B, the starting point for any code-minimum window performance here.
ENERGY STAR places Jefferson County in its Northern zone for window certification.
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 2.5 mi away.
10 top-rated window replacement companies in and near Golden
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 | Colorado Rockies Windows and Doors | 42 | Window supplier | Golden 80401 | Google reviews | |
| 2 | J&K Roofing | 504 | Window installation service | Golden 80403 | Google reviews | |
| 3 | Golden Windows and Doors of Colorado | 25 | Window installation service | Not listed | Google reviews | |
| 4 | Auto Glass of Colorado LLC | 64 | Window installation service | Golden 80401 | Google reviews | |
| 5 | Monarch Construction & Roofing | 483 | Window installation service | Golden 80401 | Google reviews | |
| 6 | Monarch Windows & Doors | 24 | Window installation service | Golden 80401 | Google reviews | |
| 7 | United Windows & Siding | 61 | Window installation service | Wheat Ridge 80033 | Google reviews | |
| 8 | Kraftwork Design Windows & Siding | 26 | Window installation service | Golden 80401 | Google reviews | |
| 9 | Rise Renovation | 306 | Window installation service | Lakewood 80401 | Google reviews | |
| 10 | Pinnacle Windows and Restoration | 100 | Window installation service | Golden 80401 | 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?