5 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Kula: Valley Isle Windows & Doors, CR Score 84/100; 4.9★ from 53 Google reviews.
Most-reviewed: Rainbow Glass & Mirror, 15 Google reviews at 5.0★, the most of 5 ranked after Valley Isle Windows & Doors; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
5 Kula window installers are ranked here by CR Score, from 8 published factors. The median Google rating is 5.0★ across 5 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Best for |
|---|---|---|---|---|---|
| 1 | Valley Isle Windows & Doors | 84 | 4.9★ (53) | Kahului, 11 mi away | Overall |
| 2 | Rainbow Glass & Mirror | 78 | 5.0★ (15) | Lahaina, 23 mi away | Most reviews |
| 3 | Reflections Glass Maui | 76 | 5.0★ (4) | Wailuku, 13 mi away | — |
| 4 | Kula Glass Company Inc | 75 | 5.0★ (3) | Wailuku, 12 mi away | — |
| 5 | Interior Design Solutions Maui | 70 | 5.0★ (3) | Makawao, 4 mi away | — |
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: 4.9★ from 53 Google reviews, the most Google reviews on this list (53).
Based in Lahaina, 23 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Window installation service”.
Based in Wailuku, 13 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Window installation service”.
Based in Wailuku, 12 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window installation service”.
Based in Makawao, 4 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Interior designer”.
Typical prices in USD, adjusted for Hawaii with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,710 | $7,930 | $12,770 | Per project (several windows): typical range of customer-reported projects. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report) | October 2026 |
We scored 5 Kula 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 Kula 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 |