73 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Knoxville: West Shore Home, CR Score 58/100; 4.8★ from 179 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Pressure Point Cleaners - Power Washing, Roof Cleaning, & Window Cleaning, posts 24/7 hours; ranked #2 of 73.
Most-reviewed: Renewal by Andersen of Greater Des Moines, 1,132 Google reviews at 4.9★, the most of 73 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
73 Knoxville window installers are ranked here by CR Score, from ten published factors. 6 are open 24/7, 28 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.8★ across 73 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | West Shore Home | 58 | 4.8★ (179) | Altoona, 30 mi away | Sat · Sun · Evenings | Overall |
| 2 | Pressure Point Cleaners - Power Washing, Roof Cleaning, & Window Cleaning | 58 | 5.0★ (621) | Clive, 39 mi away | 24/7 | Emergencies |
| 3 | Renewal by Andersen of Greater Des Moines | 57 | 4.9★ (1,132) | West Des Moines, 36 mi away | — | Most reviews |
| 4 | Sassman Glass & Mirror | 56 | 4.9★ (519) | Des Moines, 35 mi away | — | — |
| 5 | BAM Basements and Masons of Des Moines | 55 | 5.0★ (251) | Des Moines, 35 mi away | — | — |
| 6 | Crowned Glass | Auto Glass Professionals | 55 | 5.0★ (63) | Ankeny, 33 mi away | Sat | — |
| 7 | Heartland Roofing, Siding, and Solar | 54 | 4.8★ (619) | Des Moines, 38 mi away | 24/7 | — |
| 8 | Window World of Des Moines | 53 | 4.5★ (366) | Des Moines, 34 mi away | — | — |
| 9 | B.A.M! Basements and Masons | 53 | 4.9★ (108) | Ankeny, 36 mi away | — | — |
| 10 | Glass Doctor of Des Moines | 53 | 4.7★ (235) | Clive, 39 mi away | — | — |
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: 4.8★ from 179 Google reviews, listed on Google as “Window installation service”.
Based in Clive, 39 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 621 Google reviews.
Based in West Des Moines, 36 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 1,132 Google reviews, the most in Knoxville.
Based in Des Moines, 35 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 519 Google reviews, listed on Google as “Window installation service”.
Based in Des Moines, 35 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 251 Google reviews, listed on Google as “Window installation service”.
Based in Ankeny, 33 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Window installation service”.
Based in Des Moines, 38 mi away
Ranked #7 because of its Google rating and review volume: 4.8★ from 619 Google reviews.
Based in Des Moines, 34 mi away
Ranked #8 because of its Google rating and trade focus: 4.5★ from 366 Google reviews, listed on Google as “Window installation service”.
Based in Ankeny, 36 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 108 Google reviews, listed on Google as “Window installation service”.
Based in Clive, 39 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 235 Google reviews, listed on Google as “Window installation service”.
Based in Urbandale, 40 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 156 Google reviews, listed on Google as “Window installation service”.
Based in Pleasant Hill, 27 mi away
Ranked #12 because of its Google rating and review volume: 5.0★ from 52 Google reviews.
Based in Urbandale, 39 mi away
Ranked #13 because of its Google rating and trade focus: 4.4★ from 117 Google reviews, listed on Google as “Siding contractor”.
Based in Ankeny, 36 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Window installation service”.
Based in Ankeny, 33 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Window installation service”.
Based in Urbandale, 40 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 81 Google reviews, listed on Google as “Window installation service”.
Based in Clive, 36 mi away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 56 Google reviews, listed on Google as “Window installation service”.
Based in Urbandale, 40 mi away
Ranked #18 because of its Google rating and review volume: 4.7★ from 159 Google reviews.
Based in Urbandale, 39 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 82 Google reviews, listed on Google as “Kitchen remodeler”.
Based in Ankeny, 36 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 387 Google reviews.
Based in Pella, 11 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Siding contractor”.
Based in Oskaloosa, 20 mi away
Ranked #22 because of its Google rating and availability: 4.6★ from 11 Google reviews, open 24/7.
Based in Des Moines, 36 mi away
Ranked #23 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Window installation service”.
Based in Des Moines, 34 mi away
Ranked #24 because of its Google rating and review volume: 5.0★ from 109 Google reviews.
Based in West Des Moines, 36 mi away
Ranked #25 because of its Google rating and review volume: 5.0★ from 126 Google reviews.
Typical prices in USD, adjusted for Iowa with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,550 | $7,580 | $12,220 | Per project (several windows): typical range of customer-reported projects. US national range × 1.03 West North Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 73 Knoxville 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 Knoxville 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 |