79 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Loudon: Renewal by Andersen of Knoxville, CR Score 62/100; 4.8★ from 1,838 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Rescue Roofing & Exteriors, posts 24/7 hours; ranked #11 of 79.
Most-reviewed: Glass Doctor of Knoxville, 1,081 Google reviews at 4.8★, the most of 79 ranked after Renewal by Andersen of Knoxville; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
79 Loudon window installers are ranked here by CR Score, from ten published factors. 5 are open 24/7, 37 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.8★ across 79 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Renewal by Andersen of Knoxville | 62 | 4.8★ (1,838) | Knoxville, 29 mi away | Sat · Sun · Evenings | Overall |
| 2 | Window Works | 58 | 4.9★ (400) | Knoxville, 16 mi away | — | — |
| 3 | Magnolia Window & Door Company | 58 | 4.9★ (282) | Knoxville, 27 mi away | Sat · Evenings | — |
| 4 | Glass Doctor of Knoxville | 57 | 4.8★ (1,081) | Knoxville, 28 mi away | — | Most reviews |
| 5 | Champion Replacement Windows of Knoxville | 56 | 4.4★ (390) | Knoxville, 24 mi away | — | — |
| 6 | Weather Tamer | 55 | 4.8★ (59) | Knoxville, 20 mi away | Sat · Evenings | — |
| 7 | Window Depot Knoxville | 55 | 4.9★ (37) | Knoxville, 15 mi away | Sat | — |
| 8 | West Shore Home | 55 | 4.8★ (675) | Oak Ridge, 20 mi away | Sat · Sun · Evenings | — |
| 9 | Window World of Knoxville | 55 | 4.6★ (468) | Knoxville, 26 mi away | — | — |
| 10 | RetroFoam of East Tennessee | 55 | 4.8★ (98) | Knoxville, 17 mi 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 review volume: 4.8★ from 1,838 Google reviews, the most in Loudon.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 16 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 400 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 27 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 282 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 28 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 1,081 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 24 mi away
Ranked #5 because of its Google rating and trade focus: 4.4★ from 390 Google reviews, listed on Google as “Window installation service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Knoxville, 20 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 59 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 15 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Ridge, 20 mi away
Ranked #8 because of its Google rating and review volume: 4.8★ from 675 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 26 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 468 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 17 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 98 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farragut, 26 mi away
Ranked #11 because of its Google rating and review volume: 5.0★ from 227 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 28 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 415 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kingston, 11 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 74 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 28 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 184 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 16 mi away
Ranked #15 because of its Google rating and review volume: 4.7★ from 1,004 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 26 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 27 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 15 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 31 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 30 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 47 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alcoa, 10 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Harriman, 19 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alcoa, 22 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 33 mi away
Ranked #23 because of its Google rating and review volume: 4.6★ from 430 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Alcoa, 28 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Knoxville, 28 mi away
Ranked #25 because of its Google rating and review volume: 4.4★ from 99 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Typical prices in USD, adjusted for Tennessee with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,160 | $6,770 | $10,900 | Per project (several windows): typical range of customer-reported projects. US national range × 0.92 East South Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 79 Loudon 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 Loudon 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 |