223 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Johnstown: One Clear Choice Garage Doors, CR Score 65/100; 4.9★ from 1,117 Google reviews; open 24/7.
Best for emergencies (open 24/7): Mike Garage Door Repair Fort Collins, posts 24/7 hours; ranked #3 of 223.
Most-reviewed: One Clear Choice Garage Doors Commerce City, 2,466 Google reviews at 4.9★, the most of 223 ranked; ranked #22.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
223 Johnstown window installers are ranked here by CR Score, from ten published factors. 25 are open 24/7, 116 open Saturdays and 56 open Sundays, based on posted hours. The median Google rating is 4.8★ across 223 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | One Clear Choice Garage Doors | 65 | 4.9★ (1,117) | Loveland, 10 mi away | 24/7 | Overall |
| 2 | Renewal by Andersen Window Replacement | 61 | 4.7★ (357) | Longmont, 9 mi away | Sat · Sun · Evenings | — |
| 3 | Mike Garage Door Repair Fort Collins | 60 | 4.9★ (266) | Fort Collins, 16 mi away | 24/7 | Emergencies |
| 4 | Columbus Tree & Handyman | 60 | 5.0★ (113) | Fort Collins, 21 mi away | 24/7 | — |
| 5 | BlueBird Windows & Doors | 60 | 4.9★ (624) | Longmont, 18 mi away | Sat | — |
| 6 | AllGuard Windows and Doors Fort Collins | 60 | 5.0★ (154) | Fort Collins, 18 mi away | Sat · Sun | — |
| 7 | Anchor Auto Glass & Tint | 59 | 4.9★ (452) | Loveland, 9 mi away | — | — |
| 8 | Champion Replacement Windows of Ft. Collins | 59 | 4.6★ (1,189) | Loveland, 9 mi away | — | — |
| 9 | Window Well Solutions LLC | 58 | 5.0★ (48) | Fort Collins, 21 mi away | 24/7 | — |
| 10 | K&G Window Pros | 58 | 4.9★ (461) | Brighton, 25 mi away | Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,117 Google reviews, listed on Google as “Window installation service”.
Based in Longmont, 9 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 357 Google reviews, listed on Google as “Window installation service”.
Based in Fort Collins, 16 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 266 Google reviews, listed on Google as “Window installation service”.
Based in Fort Collins, 21 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 113 Google reviews, listed on Google as “Window installation service”.
Based in Longmont, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 624 Google reviews, listed on Google as “Window installation service”.
Based in Fort Collins, 18 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 154 Google reviews, listed on Google as “Window installation service”.
Based in Loveland, 9 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 452 Google reviews, listed on Google as “Window installation service”.
Based in Loveland, 9 mi away
Ranked #8 because of its Google rating and trade focus: 4.6★ from 1,189 Google reviews, listed on Google as “Window installation service”.
Based in Fort Collins, 21 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Window installation service”.
Based in Brighton, 25 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 461 Google reviews, listed on Google as “Window installation service”.
Based in Fort Collins, 15 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 487 Google reviews, listed on Google as “Window installation service”.
Based in Denver, 36 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 849 Google reviews, listed on Google as “Window installation service”.
Based in Denver, 39 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 1,327 Google reviews, listed on Google as “Window installation service”.
Based in Longmont, 9 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Window installation service”.
Based in Evans, 12 mi away
Ranked #15 because of its Google rating and trade focus: 4.6★ from 15 Google reviews, listed on Google as “Window installation service”.
Based in Fort Collins, 16 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “Window installation service”.
Based in Broomfield, 33 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Window installation service”.
Based in Brighton, 25 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 189 Google reviews, listed on Google as “Window installation service”.
Based in Fort Collins, 9 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Window installation service”.
Based in Arvada, 37 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “Window installation service”.
Based in Johnstown
Ranked #21 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Commerce City, 38 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 2,466 Google reviews, the most in Johnstown.
Based in Arvada, 38 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 516 Google reviews.
Based in Broomfield, 30 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 378 Google reviews, listed on Google as “Window installation service”.
Based in Greeley, 11 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 47 Google reviews, listed on Google as “Window installation service”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 223 ranked window installers here; the rest are on their profiles.
20 more window installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| All Seasons Doors And Windows | 2.0★ (2) | 11 mi |
| Ascent Custom Services, LLC | 5.0★ (1) | 17 mi |
| Carmonas Brothers Landscaping LLC | 3.0★ (2) | 35 mi |
| Charlys Hardwood LLC | 5.0★ (42) | In Johnstown |
| Clearview Windows & Siding Llc | 5.0★ (2) | 3 mi |
| D&D Designs | 5.0★ (2) | 5 mi |
| Da vinci designs windows and doors llc | 5.0★ (2) | 40 mi |
| EMG Windows And Doors | 5.0★ (2) | 31 mi |
| European Windows and Doors | 3.5★ (2) | 16 mi |
| Geiger Renovations llc | In Johnstown | |
| KYMA Exterior Cleaning | 5.0★ (2) | In Johnstown |
| MacMillan Home Services, Inc | 5.0★ (2) | 40 mi |
| Meier Contracting, LLC | In Johnstown | |
| Pivotal Contracting | 5.0★ (2) | 13 mi |
| Remodelit LLC | 5.0★ (1) | 12 mi |
| S&K Home Solutions | 1.0★ (2) | 40 mi |
| Sampson Construction | 3.6★ (5) | In Johnstown |
| STN Elite Services, LLC | 5.0★ (1) | In Johnstown |
| Window & Siding Outlet | 5.0★ (1) | 16 mi |
| Zeus Auto Glass | 5.0★ (2) | 40 mi |
Typical prices in USD, adjusted for Colorado with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,290 | $7,050 | $11,350 | Per project (several windows): typical range of customer-reported projects. US national range × 0.96 Mountain factor (2025 Cost vs. Value Report) | October 2026 |
We scored 223 Johnstown window installers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Johnstown data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |