5 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Kalispell: Glass Doctor of Kalispell, CR Score 81/100; 4.4★ from 266 Google reviews.
Best for emergencies (open 24/7): Mighty Dog Roofing of Kalispell, posts 24/7 hours; ranked #2 of 5.
Most-reviewed: Nelson's Ace Handyman Services, 87 Google reviews at 5.0★, the most of 5 ranked after Glass Doctor of Kalispell; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
5 Kalispell window installers are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 1 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.4★ across 5 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Glass Doctor of Kalispell | 81 | 4.4★ (266) | Kalispell | — | Overall |
| 2 | Mighty Dog Roofing of Kalispell | 77 | 5.0★ (5) | Columbia Falls, 9 mi away | 24/7 | Emergencies |
| 3 | Shepard's Glass Inc. | 77 | 4.2★ (45) | Kalispell | — | — |
| 4 | Kalispell Glass | 75 | 3.9★ (15) | Kalispell | — | — |
| 5 | Nelson's Ace Handyman Services | 74 | 5.0★ (87) | Whitefish, 14 mi away | — | Most reviews |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and review volume: 4.4★ from 266 Google reviews, the most Google reviews on this list (266).
Based in Columbia Falls, 9 mi away
Ranked #2 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based in Kalispell
Ranked #3 because of its Google rating and trade focus: 4.2★ from 45 Google reviews, listed on Google as “Window installation service”.
Based in Kalispell
Ranked #4 because of its Google rating and trade focus: 3.9★ from 15 Google reviews, listed on Google as “Window installation service”.
Based in Whitefish, 14 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 87 Google reviews, 87 Google reviews.
Typical prices in USD, adjusted for Montana 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 5 Kalispell window installers on 8 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. Unknown factors are left out of the score, 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 Kalispell data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |