Longmont, CO's Highest-Rated Window Installers on Google
We don't have license data for window and glazing businesses in Longmont, CO the way we do for some other cities on this site. This page leans on Google Maps instead: 9 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 Longmont
Boulder, CO piles up about 6,111 heating degree days in a normal year, against 657 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 1.2 mi away.
Google's top window installers serving Longmont, 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 | WestPro Home Exteriors | 783 | Window installation service | Longmont 80501 | Google reviews | |
| 2 | BlueBird Windows & Doors | 693 | Window installation service | Longmont 80501 | Google reviews | |
| 3 | Meier All County Glass | 59 | Window installation service | Longmont 80504 | Google reviews | |
| 4 | Stone Creek Roofing & Solar | 154 | Window installation service | Longmont 80504 | Google reviews | |
| 5 | Smart Windows | 21 | Window installation service | Longmont 80501 | Google reviews | |
| 6 | Renewal by Andersen Window Replacement | 361 | Window installation service | Longmont 80504 | Google reviews | |
| 7 | Complete Exteriors of Colorado | 112 | Window installation service | Erie 80516 | Google reviews | |
| 8 | Hillcrest Glass | 93 | Window installation service | Longmont 80501 | Google reviews | |
| 9 | Budget Home Supply | 215 | Window supplier | Longmont 80501 | 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?