15 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Coaldale: GreenFox Windows & Doors, CR Score 64/100; 4.9★ from 174 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Chase Roofing & Exteriors, posts 24/7 hours; ranked #5 of 15.
Most-reviewed: South Peak Roofing & Exteriors, 331 Google reviews at 4.9★, the most of 15 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Coaldale window installers are ranked here by CR Score, from ten published factors. 1 is open 24/7, 4 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 15 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | GreenFox Windows & Doors | 64 | 4.9★ (174) | Lethbridge, 12 km away | Sat · Sun | Overall |
| 2 | Preferred Auto Glass Ltd | 62 | 4.9★ (115) | Lethbridge, 12 km away | — | — |
| 3 | Crystal Glass Canada Ltd | 61 | 4.7★ (195) | Lethbridge, 15 km away | Sat | — |
| 4 | Speedy Glass Lethbridge | 59 | 4.8★ (144) | Lethbridge, 14 km away | — | — |
| 5 | Chase Roofing & Exteriors | 58 | 5.0★ (95) | Lethbridge, 15 km away | 24/7 | Emergencies |
| 6 | Empire Homes Renovations | 56 | 5.0★ (21) | Lethbridge, 14 km away | — | — |
| 7 | South Peak Roofing & Exteriors | 56 | 4.9★ (331) | Lethbridge, 13 km away | — | Most reviews |
| 8 | AlphaTech Windows & Doors Lethbridge | 55 | 5.0★ (8) | Lethbridge, 16 km away | Sat | — |
| 9 | Window Time | 55 | 4.4★ (15) | Lethbridge, 13 km away | Evenings | — |
| 10 | Window Mart Lethbridge | 55 | 5.0★ (14) | Lethbridge, 15 km away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 174 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 12 km away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 115 Google reviews, listed on Google as “Window installation service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lethbridge, 15 km away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 195 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 14 km away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 144 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 15 km away
Ranked #5 because of its Google rating and review volume: 5.0★ from 95 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 14 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 13 km away
Ranked #7 because of its Google rating and review volume: 4.9★ from 331 Google reviews, the most in Coaldale.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 16 km away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 13 km away
Ranked #9 because of its Google rating and trade focus: 4.4★ from 15 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 15 km away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 13 km away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 15 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 15 km away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 15 km away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 28 Google reviews, listed on Google as “Gutter Cleaning Service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Taber, 36 km away
Ranked #14 because of its Google rating and review volume: 5.0★ from 38 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lethbridge, 15 km away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Window supplier”.
Based on 8 of 10 factors; credentials and recency not yet collected.
US national ranges converted to CAD, not adjusted for Coaldale. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | CA$4,830 | CA$10,330 | CA$16,640 | Per project (several windows): typical range of customer-reported projects. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 15 Coaldale 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 Coaldale 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 |