229 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oconomowoc: Window Nation, CR Score 86/100; 4.7★ from 193 Google reviews; open 24/7.
Best for emergencies (open 24/7): Infinity Exteriors, posts 24/7 hours; ranked #3 of 229.
Most-reviewed: Infinity Exteriors, 2,305 Google reviews at 4.8★, the most of 229 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
229 Oconomowoc window installers are ranked here by CR Score, from 8 published factors. 29 are open 24/7, 116 open Saturdays and 49 open Sundays, based on posted hours. The median Google rating is 4.8★ across 229 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Window Nation | 86 | 4.7★ (193) | Milwaukee, 28 mi away | 24/7 | Overall |
| 2 | Mad City Windows & Baths of Milwaukee | 86 | 4.5★ (2,032) | New Berlin, 21 mi away | Sat · Sun · Evenings | — |
| 3 | Infinity Exteriors | 85 | 4.8★ (2,305) | New Berlin, 21 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Feldco Windows, Siding, Doors & Roofing of Milwaukee | 84 | 4.7★ (881) | Milwaukee, 32 mi away | Sat · Sun · Evenings | — |
| 5 | 1-800-HANSONS | 84 | 4.8★ (130) | Madison, 39 mi away | 24/7 | — |
| 6 | Four Leaf Roofing & Windows | 84 | 4.9★ (151) | New Berlin, 21 mi away | 24/7 | — |
| 7 | Champion Replacement Windows of Milwaukee | 84 | 4.5★ (606) | New Berlin, 21 mi away | — | — |
| 8 | Ridge Top Exteriors | 84 | 4.8★ (945) | Wauwatosa, 23 mi away | 24/7 | — |
| 9 | Argo Glass & Windows - Home Window Repair & Glass Replacement | 83 | 4.9★ (670) | Milwaukee, 24 mi away | Sat | — |
| 10 | Argo Door & Window: Repair and Replacement | 83 | 4.9★ (277) | Waukesha, 17 mi away | Sat · Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and availability: 4.7★ from 193 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Berlin, 21 mi away
Ranked #2 because of its Google rating and trade focus: 4.5★ from 2,032 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Berlin, 21 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 2,305 Google reviews, the most Google reviews on this list (2,305).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Milwaukee, 32 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 881 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Madison, 39 mi away
Ranked #5 because of its Google rating and availability: 4.8★ from 130 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Berlin, 21 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 151 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Berlin, 21 mi away
Ranked #7 because of its Google rating and trade focus: 4.5★ from 606 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Wauwatosa, 23 mi away
Ranked #8 because of its Google rating and availability: 4.8★ from 945 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Milwaukee, 24 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 670 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waukesha, 17 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 277 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Berlin, 21 mi away
Ranked #11 because of its Google rating and availability: 4.8★ from 457 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waukesha, 17 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 206 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Oconomowoc
Ranked #13 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Milwaukee, 27 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Berlin, 21 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 413 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Berlin, 23 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 237 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greendale, 28 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 340 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Waukesha, 16 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 149 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Menomonee Falls, 21 mi away
Ranked #19 because of its Google rating and trade focus: 4.5★ from 175 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Franklin, 28 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 245 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Berlin, 21 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 451 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sussex, 11 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 51 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brookfield, 23 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 229 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Germantown, 21 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 123 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mequon, 27 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 101 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
#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 229 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.
Typical prices in USD, adjusted for Wisconsin 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 229 Oconomowoc 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 Oconomowoc 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 |