76 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Fond du Lac: Mad City Windows & Baths of Green Bay, CR Score 59/100; 4.5★ from 1,756 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Tiltin Windows, Doors and More, posts 24/7 hours; ranked #3 of 76.
Most-reviewed: Renewal by Andersen of Greater Wisconsin, 904 Google reviews at 4.5★, the most of 76 ranked after Mad City Windows & Baths of Green Bay; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
76 Fond du Lac window installers are ranked here by CR Score, from ten published factors. 7 are open 24/7, 32 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.7★ across 76 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mad City Windows & Baths of Green Bay | 59 | 4.5★ (1,756) | Neenah, 32 mi away | Sat · Sun · Evenings | Overall |
| 2 | Window World of Fond du Lac | 57 | 4.7★ (123) | Fond du Lac | — | — |
| 3 | Tiltin Windows, Doors and More | 57 | 5.0★ (53) | Appleton, 33 mi away | 24/7 | Emergencies |
| 4 | Renewal by Andersen of Greater Wisconsin | 56 | 4.5★ (904) | Appleton, 33 mi away | Sat | Most reviews |
| 5 | Duncan's Window & Door LLC | 55 | 4.8★ (87) | Oshkosh, 19 mi away | Evenings | — |
| 6 | Feldco Windows, Siding, Doors & Roofing of Green Bay | 55 | 4.7★ (524) | Menasha, 32 mi away | Sat · Sun · Evenings | — |
| 7 | Ripon Window & Door LLC | 54 | 4.8★ (31) | Ripon, 21 mi away | — | — |
| 8 | Home Window Repair & Replacement | 54 | 4.9★ (123) | Germantown, 39 mi away | Sat · Evenings | — |
| 9 | Windows of Wisconsin | 54 | 4.9★ (258) | Kaukauna, 38 mi away | — | — |
| 10 | Wrightway Home Improvements | 54 | 4.9★ (287) | Fond du Lac | — | — |
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: 4.5★ from 1,756 Google reviews, the most in Fond du Lac.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fond du Lac
Ranked #2 because of its Google rating and trade focus: 4.7★ from 123 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 33 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 33 mi away
Ranked #4 because of its Google rating and trade focus: 4.5★ from 904 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshkosh, 19 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 87 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Menasha, 32 mi away
Ranked #6 because of its Google rating and review volume: 4.7★ from 524 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ripon, 21 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 31 Google reviews, listed on Google as “Window installation service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Germantown, 39 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 123 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kaukauna, 38 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 258 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fond du Lac
Ranked #10 because of its Google rating and review volume: 4.9★ from 287 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berlin, 30 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beaver Dam, 21 mi away
Ranked #12 because of its Google rating and review volume: 4.7★ from 149 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 33 mi away
Ranked #13 because of its Google rating and review volume: 4.7★ from 482 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 35 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Menasha, 31 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 78 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Bend, 20 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Window installation service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Appleton, 36 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Neenah, 31 mi away
Ranked #18 because of its Google rating and trade focus: 4.5★ from 192 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Menasha, 32 mi away
Ranked #19 because of its Google rating and review volume: 5.0★ from 103 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kaukauna, 38 mi away
Ranked #20 because of its Google rating and trade focus: 4.1★ from 15 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshkosh, 21 mi away
Ranked #21 because of its Google rating and trade focus: 4.4★ from 61 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kaukauna, 38 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 120 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Appleton, 35 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 155 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Plymouth, 23 mi away
Ranked #24 because of its Google rating and trade focus: 4.5★ from 51 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Bend, 27 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 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 76 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 76 Fond du Lac 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 Fond du Lac 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 |