988 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Downers Grove: Renewal by Andersen of Chicago, CR Score 64/100; 4.9★ from 4,822 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Window Nation, posts 24/7 hours; ranked #2 of 988.
Most-reviewed: Apex Window Werks - Chicago Window Contractors, 3,252 Google reviews at 4.8★, the most of 988 ranked after Renewal by Andersen of Chicago; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
988 Downers Grove window installers are ranked here by CR Score, from ten published factors. 70 are open 24/7, 664 open Saturdays and 216 open Sundays, based on posted hours. The median Google rating is 4.9★ across 988 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Renewal by Andersen of Chicago | 64 | 4.9★ (4,822) | Des Plaines, 15 mi away | Sat · Sun | Overall |
| 2 | Window Nation | 64 | 4.7★ (1,733) | Romeoville, 11 mi away | 24/7 | Emergencies |
| 3 | Renewal by Andersen of Chicago | 63 | 4.9★ (1,537) | Lockport, 13 mi away | Sat · Sun | — |
| 4 | WarmDreams Windows & Doors | 62 | 5.0★ (522) | Elgin, 23 mi away | 24/7 | — |
| 5 | HandyManny Custom Window Well Covers | 61 | 5.0★ (604) | Villa Park, 7 mi away | Sat | — |
| 6 | American Window Replacement & Siding (Crystal Lake, IL) | 61 | 4.9★ (77) | Darien, 8 mi away | 24/7 | — |
| 7 | Apex Window Werks - Chicago Window Contractors | 60 | 4.8★ (3,252) | Wheeling, 22 mi away | Sat | Most reviews |
| 8 | Express Board Up & Glass Services Inc. | 60 | 5.0★ (114) | Cicero, 18 mi away | 24/7 | — |
| 9 | Porcayo's Custom Window Well Covers | 60 | 5.0★ (74) | Evergreen Park, 3 mi away | Sat · Sun · Evenings | — |
| 10 | L.J. Neal & Sons | Window Replacement Orland Park IL | 60 | 4.8★ (54) | Homer Glen, 7 mi away | 24/7 | — |
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 review volume: 4.9★ from 4,822 Google reviews, the most in Downers Grove.
Based in Romeoville, 11 mi away
Ranked #2 because of its Google rating and trade focus: 4.7★ from 1,733 Google reviews, listed on Google as “Window installation service”.
Based in Lockport, 13 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,537 Google reviews, listed on Google as “Window installation service”.
Based in Elgin, 23 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 522 Google reviews, listed on Google as “Window installation service”.
Based in Villa Park, 7 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 604 Google reviews, listed on Google as “Window installation service”.
Based in Darien, 8 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 77 Google reviews, listed on Google as “Window installation service”.
Based in Wheeling, 22 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 3,252 Google reviews, listed on Google as “Window installation service”.
Based in Cicero, 18 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 114 Google reviews, listed on Google as “Window installation service”.
Based in Evergreen Park, 3 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Window installation service”.
Based in Homer Glen, 7 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 54 Google reviews, listed on Google as “Window installation service”.
Based in Lisle, 2 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 654 Google reviews, listed on Google as “Window installation service”.
Based in Downers Grove
Ranked #12 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Window installation service”.
Based in Palatine, 21 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 1,274 Google reviews, listed on Google as “Window installation service”.
Based in Bolingbrook, 8 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 2,800 Google reviews, listed on Google as “Window installation service”.
Based in Naperville, 8 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 292 Google reviews, listed on Google as “Window installation service”.
Based in Cicero, 16 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 99 Google reviews, listed on Google as “Window installation service”.
Based in Naperville, 7 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 388 Google reviews, listed on Google as “Window installation service”.
Based in Bartlett, 14 mi away
Ranked #18 because of its Google rating and review volume: 4.8★ from 2,808 Google reviews.
Based in Downers Grove
Ranked #19 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “Window installation service”.
Based in Franklin Park, 7 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Window installation service”.
Based in Des Plaines, 15 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 223 Google reviews, listed on Google as “Window installation service”.
Based in Geneva, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 643 Google reviews, listed on Google as “Window installation service”.
Based in Elgin, 23 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 241 Google reviews, listed on Google as “Window installation service”.
Based in Chicago, 21 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 247 Google reviews, listed on Google as “Window installation service”.
Based in Roselle, 13 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 2,184 Google reviews.
#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 988 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 |
|---|---|---|
| 123 Exteriors | 4.9★ (119) | In Downers Grove |
| Alimax Construction | 5.0★ (2) | 8 mi |
| Authentic Glass & Mirror | 5.0★ (2) | 7 mi |
| BAMCO Construction | 5.0★ (18) | In Downers Grove |
| Blue Sky Builders - Custom Garages | 4.4★ (36) | In Downers Grove |
| Chris Kare, Inc. | 5.0★ (2) | 7 mi |
| DeMarco Building and Restoration | 5.0★ (1) | In Downers Grove |
| GZ Gutters Installation | 5.0★ (36) | In Downers Grove |
| Honey bee window cleaning | 5.0★ (2) | 8 mi |
| Interior Planning & Design Inc | 4.5★ (2) | 7 mi |
| Kats Heating and Cooling | 5.0★ (836) | In Downers Grove |
| Lindholm Roofing | 3.0★ (2) | 6 mi |
| Norway Built | 4.6★ (13) | In Downers Grove |
| Pro Home 1 | 5.0★ (2) | 3 mi |
| Roofing Guy | 5.0★ (30) | In Downers Grove |
| Siding & Windows Group | 5.0★ (2) | 5 mi |
| SKAL CONSTRUCTION & DEVELOPMENT LLC | 5.0★ (2) | 4 mi |
| Sledge Brothers Home Improvement LLC | 5.0★ (2) | 8 mi |
| VOS Doors & Windows - Repair and Replacement | 5.0★ (2) | In Downers Grove |
| Zeco Construction Group Inc | 5.0★ (3) | In Downers Grove |
Typical prices in USD, adjusted for Illinois with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,430 | $7,340 | $11,830 | Per project (several windows): typical range of customer-reported projects. US national range × 1.00 East North Central factor (2025 Cost vs. Value Report) | October 2026 |
We scored 988 Downers Grove 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 Downers Grove 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 |