338 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Willimantic: Renewal by Andersen Window Replacement, CR Score 89/100; 4.9★ from 3,951 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Window Nation, posts 24/7 hours; ranked #2 of 338.
Most-reviewed: Renewal by Andersen Window Replacement, 2,435 Google reviews at 4.9★, the most of 338 ranked after Renewal by Andersen Window Replacement; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
338 Willimantic window installers are ranked here by CR Score, from 8 published factors. 52 are open 24/7, 201 open Saturdays and 105 open Sundays, based on posted hours. The median Google rating is 4.9★ across 338 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Renewal by Andersen Window Replacement | 89 | 4.9★ (3,951) | Middletown, 26 mi away | Sat · Sun · Evenings | Overall |
| 2 | Window Nation | 88 | 4.8★ (1,100) | Wallingford, 33 mi away | 24/7 | Emergencies |
| 3 | Renewal by Andersen Window Replacement | 86 | 4.9★ (2,435) | Smithfield, 40 mi away | Sat · Sun · Evenings | Most reviews |
| 4 | Highland Window Company LLC | 86 | 4.9★ (95) | West Hartford, 28 mi away | 24/7 | — |
| 5 | Klaus Larsen Roofing | 85 | 4.8★ (521) | Hebron, 3 mi away | 24/7 | — |
| 6 | Revive Remodeling & Restoring Inc. | 84 | 5.0★ (83) | Greenburgh, 39 mi away | 24/7 | — |
| 7 | Peoples Home Remodeling | 83 | 4.7★ (400) | Newington, 26 mi away | Sat · Sun · Evenings | — |
| 8 | Henderson Roofing | 83 | 5.0★ (430) | Groton, 24 mi away | 24/7 | — |
| 9 | Spinelli Exteriors llc - CT GAF roofing, windows, siding, Provia doors, and Gutters | 83 | 5.0★ (84) | Portland, 21 mi away | 24/7 | — |
| 10 | Murphy's Building & Remodeling LLC | 83 | 5.0★ (30) | Glastonbury, 15 mi away | Sat · Sun · Evenings | — |
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 3,951 Google reviews, the most Google reviews on this list (3,951).
Based in Wallingford, 33 mi away
Ranked #2 because of its Google rating and availability: 4.8★ from 1,100 Google reviews, open 24/7.
Based in Smithfield, 40 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 2,435 Google reviews, listed on Google as “Window installation service”.
Based in West Hartford, 28 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 95 Google reviews, open 24/7.
Based in Hebron, 3 mi away
Ranked #5 because of its Google rating and availability: 4.8★ from 521 Google reviews, open 24/7.
Based in Greenburgh, 39 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 83 Google reviews, open 24/7.
Based in Newington, 26 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 400 Google reviews, listed on Google as “Window installation service”.
Based in Groton, 24 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 430 Google reviews, open 24/7.
Based in Portland, 21 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 84 Google reviews, open 24/7.
Based in Glastonbury, 15 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Window installation service”.
Based in Kensington, 29 mi away
Ranked #11 because of its Google rating and availability: 4.9★ from 584 Google reviews, open 24/7.
Based in Westerly, 31 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 622 Google reviews, open 24/7.
Based in New Britain, 29 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 324 Google reviews, listed on Google as “Window installation service”.
Based in Canton, 16 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Window installation service”.
Based in East Hartford, 24 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based in Plainfield, 15 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 377 Google reviews, open 7 days a week.
Based in Mansfield Center, 35 mi away
Ranked #17 because of its Google rating and availability: 4.5★ from 16 Google reviews, open 24/7.
Based in Plainfield, 11 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 261 Google reviews, open 24/7.
Based in Norwich, 16 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 46 Google reviews, open 24/7.
Based in Pawcatuck, 30 mi away
Ranked #20 because of its Google rating and availability: 4.9★ from 207 Google reviews, open 24/7.
Based in Tolland, 9 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window installation service”.
Based in Conning Towers-Nautilus Park, 32 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based in Enfield, 15 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 43 Google reviews, listed on Google as “Window installation service”.
Based in New Britain, 30 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 210 Google reviews, listed on Google as “Window installation service”.
Based in Seekonk, 26 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 26 Google reviews, listed on Google as “Window installation service”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 338 ranked window installers here; the rest are on their profiles.
20 more window installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Affordable Window and Gutter Cleaning Inc. | 5.0★ (2) | 33 mi |
| Allstate Home Improvement LLC | 5.0★ (2) | 30 mi |
| Aspect Plus | 5.0★ (2) | 33 mi |
| Barrett Builders LLC | 5.0★ (2) | 32 mi |
| BiBo Enterprises | 5.0★ (2) | 35 mi |
| BLM Construction LLC | 2.0★ (2) | 9 mi |
| C & M Construction LLC | 5.0★ (2) | 31 mi |
| Carpentry by Steve Petrunti | 5.0★ (2) | 32 mi |
| CCAA Construction LLC | 4.5★ (2) | 28 mi |
| DC Carpentry | 5.0★ (2) | 33 mi |
| Gold Star Remodeling & Co. llc | 5.0★ (2) | 19 mi |
| Kreuger Window & Siding LLC | 3.0★ (1) | In Willimantic |
| Maple Leaf Carpentry, LLC | 5.0★ (2) | 26 mi |
| piton renovations inc | 4.5★ (2) | 23 mi |
| RPD Construction LLC - Home Improvement Contractor | 5.0★ (2) | 7 mi |
| Sears Heating and Air Conditioning | 5.0★ (2) | 33 mi |
| TYWIL Home Improvement | 5.0★ (2) | 32 mi |
| W. Orkney Windows, Siding, & Roofing | 5.0★ (2) | 18 mi |
| Willimantic Window & Door | 1.0★ (1) | In Willimantic |
| Zim's Remodeling | 3.0★ (2) | 18 mi |
Typical prices in USD, adjusted for Connecticut with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,410 | $7,300 | $11,760 | Per project (several windows): typical range of customer-reported projects. US national range × 0.99 New England factor (2025 Cost vs. Value Report) | October 2026 |
We scored 338 Willimantic 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 Willimantic 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 |