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Best Window Installers in Oak Forest, IL (2026)

850 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Oak Forest: Window Nation, CR Score 90/100; 4.7★ from 1,733 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): Express Board Up & Glass Services Inc., posts 24/7 hours; ranked #3 of 850.

  3. 4

    Most-reviewed: Renewal by Andersen of Chicago, 4,822 Google reviews at 4.9★, the most of 850 ranked; ranked #4.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

850 Oak Forest window installers are ranked here by CR Score, from 8 published factors. 65 are open 24/7, 570 open Saturdays and 189 open Sundays, based on posted hours. The median Google rating is 4.9★ across 850 rated businesses.

Most of this list also appears on the Window installers in West Town ranking. See Window installers in West Town

Top 10 window installers in Oak Forest at a glance

Top 10 window installers in Oak Forest at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Window Nation904.7★ (1,733)Romeoville, 20 mi away24/7Overall
2Renewal by Andersen of Chicago894.9★ (1,537)Lockport, 14 mi awaySat · Sun—
3Express Board Up & Glass Services Inc.885.0★ (114)Cicero, 15 mi away24/7Emergencies
4Renewal by Andersen of Chicago884.9★ (4,822)Des Plaines, 30 mi awaySat · SunMost reviews
5American Window Replacement & Siding (Crystal Lake, IL)854.9★ (77)Darien, 25 mi away24/7—
6Barbosa Glass & Mirror Specialists845.0★ (25)Franklin Park, 19 mi away24/7—
7Cottage Grove Glass Window Repair844.5★ (118)Chicago, 11 mi away24/7—
8GALRON SLIDING DOORS844.9★ (247)Chicago, 23 mi awaySat · Sun · Evenings—
9Feldco Windows, Siding, Doors & Roofing of Homewood844.8★ (749)Homewood, 6 mi awaySat · Sun · Evenings—
10Premium Glass & Mirror845.0★ (27)Ashburn, 15 mi away24/7—

The 850 best window installers in Oak Forest, ranked

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.

  1. Ranked #1 in Oak Forest

    #1 Window Nation

    Based in Romeoville, 20 mi away

    90/100CR Score

    Ranked #1 because of its Google rating and availability: 4.7★ from 1,733 Google reviews, open 24/7.

    • 4.7★ from 1,733 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1120 Windham Pkwy, Romeoville, IL 60446
    View profile for Window Nation(815) 407-7890

  8. #8 GALRON SLIDING DOORS

    Based in Chicago, 23 mi away

    84/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 247 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 247 Google reviews
    Hours
    Mon–Sun 7 AM–7:30 PM
    Address
    2811 N Pine Grove Ave, Chicago, IL 60657
    View profile for GALRON SLIDING DOORS(773) 985-4579

  13. #13 Welsh Windows Plus

    Based in Alsip, 5 mi away

    84/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.7★ from 54 Google reviews, listed on Google as “Window installation service”.

    • 4.7★ from 54 Google reviews
    Hours
    Mon–Sun 6 AM–9 PM
    Address
    5307 W 124th St, Alsip, IL 60803
    View profile for Welsh Windows Plus(708) 765-6468

  21. #21 Evergreen Door & Window

    Based in Evergreen Park, 8 mi away

    83/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.8★ from 391 Google reviews, listed on Google as “Window installation service”.

    • 4.8★ from 391 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 10 AM–3 PM · Sun closed
    Address
    3800 W 95th St, Evergreen Park, IL 60805
    View profile for Evergreen Door & Window(708) 419-2116

  22. #22 Best Windows Inc

    Based in La Grange Park, 17 mi away

    83/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.8★ from 84 Google reviews, listed on Google as “Window installation service”.

    • 4.8★ from 84 Google reviews
    Hours
    Mon–Sun 9 AM–9 PM
    Address
    1112 Cleveland Ave, La Grange Park, IL 60526
    View profile for Best Windows Inc(708) 204-2446

How much do window installers cost in Oak Forest?

Typical prices in USD, adjusted for Illinois with a published regional index. Each row names its basis and month.

How much do window installers cost in Oak Forest?
JobLowTypicalHighBasisChecked
Window replacement$3,430$7,340$11,830Per 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

How we ranked Oak Forest window installers

We scored 850 Oak Forest 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Oak Forest data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Window installers in Oak Forest: frequently asked questions

Who is the best window installer in Oak Forest?

By CR Score, the highest-ranked window installer in Oak Forest, IL is Window Nation with a CR Score of 90/100. It has 4.7★ from 1,733 Google reviews. It is open 24/7. Renewal by Andersen of Chicago (#2) and Express Board Up & Glass Services Inc. (#3) follow. We ranked 850 window installers on 8 factors, last updated October 22, 2026.

How many window installers are there in Oak Forest?

ContractorsRanked ranks 850 window installers serving Oak Forest, IL. Counts are as of October 2026.

Which window installers in Oak Forest are open 24/7?

65 ranked window installers in Oak Forest post 24/7 hours. The highest-ranked are Window Nation (#1), Express Board Up & Glass Services Inc. (#3) and American Window Replacement & Siding (Crystal Lake, IL) (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in Oak Forest work on weekends?

570 of 850 ranked window installers post Saturday hours and 189 post Sunday hours. The highest-ranked open Saturdays are Window Nation (#1), Renewal by Andersen of Chicago (#2) and Express Board Up & Glass Services Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Oak Forest?

Window replacement typically costs $3,430 to $11,830, with $7,340 typical (Per project (several windows): typical range of customer-reported projects. US national range × 1.00 East North Central factor (2025 Cost vs. Value Report)). The range is adjusted for Illinois. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Oak Forest window installers have?

The median Google rating among 850 rated window installers in Oak Forest is 4.9★, with a median of 26 reviews. Renewal by Andersen of Chicago has the most, 4,822 reviews, and ranks #4. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank window installers?

Each window installer gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do window installers outside Oak Forest count in this ranking?

Yes, if they are within 40 mi of the Oak Forest city center, our service radius for window installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Oak Forest

  1. October 2026: CR Scores recalculated for 850 window installers serving Oak Forest.
  2. October 2026: 2 duplicate listings merged.

More window installers and Oak Forest pages

Other trades in Oak Forest