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Best Window Installers in Wailuku, HI (2026)

5 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Wailuku: Valley Isle Windows & Doors, CR Score 62/100; 4.9★ from 53 Google reviews.

  2. 2

    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 Wailuku window installers are ranked here by CR Score, from ten published factors. The median Google rating is 5.0★ across 5 rated businesses.

Most of this list also appears on the Window installers in Kahului ranking. See Window installers in Kahului

Top 5 window installers in Wailuku at a glance

Top 5 window installers in Wailuku at a glance
RankBusinessCR ScoreGoogle ratingBased inBest for
1Valley Isle Windows & Doors624.9★ (53)Kahului, 3 mi awayOverall
2Rainbow Glass & Mirror575.0★ (15)Lahaina, 11 mi awayMost reviews
3Reflections Glass Maui555.0★ (4)Wailuku—
4Kula Glass Company Inc545.0★ (3)Wailuku—
5Interior Design Solutions Maui465.0★ (3)Makawao, 11 mi away—

The 5 best window installers in Wailuku, ranked

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.

  2. #2 Rainbow Glass & Mirror

    Based in Lahaina, 11 mi away

    57/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Window installation service”.

    • 5.0★ from 15 Google reviews
    Hours
    Mon–Fri 8 AM–3:30 PM · Sat–Sun closed
    Address
    178 Kupuohi St, Lahaina, HI 96761
    View profile for Rainbow Glass & Mirror(808) 661-6611

How much do window installers cost in Wailuku?

Typical prices in USD, adjusted for Hawaii with a published regional index. Each row names its basis and month.

How much do window installers cost in Wailuku?
JobLowTypicalHighBasisChecked
Window replacement$3,710$7,930$12,770Per project (several windows): typical range of customer-reported projects. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report)October 2026

How we ranked Wailuku window installers

We scored 5 Wailuku 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Wailuku data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Window installers in Wailuku: frequently asked questions

Who is the best window installer in Wailuku?

By CR Score, the highest-ranked window installer in Wailuku, HI is Valley Isle Windows & Doors with a CR Score of 62/100. It has 4.9★ from 53 Google reviews. Rainbow Glass & Mirror (#2) and Reflections Glass Maui (#3) follow. We ranked 5 window installers on ten factors, last updated October 22, 2026.

How many window installers are there in Wailuku?

ContractorsRanked ranks 5 window installers serving Wailuku, HI. 2 of them are based in Wailuku; the rest serve it from nearby towns. Counts are as of October 2026.

How much does window replacement cost in Wailuku?

Window replacement typically costs $3,710 to $12,770, with $7,930 typical (Per project (several windows): typical range of customer-reported projects. US national range × 1.08 Pacific factor (2025 Cost vs. Value Report)). The range is adjusted for Hawaii. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Wailuku window installers have?

The median Google rating among 5 rated window installers in Wailuku is 5.0★, with a median of 4 reviews. Valley Isle Windows & Doors has the most, 53 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank window installers?

Each window installer gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do window installers outside Wailuku count in this ranking?

Yes, if they are within 40 mi of the Wailuku city center, our service radius for window installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Can window installers pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Wailuku

  1. October 2026: CR Scores recalculated for 5 window installers serving Wailuku.

More window installers and Wailuku pages

Other trades in Wailuku