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ContractorsRanked

Best Window Installers in Mount Zion, IL (2026)

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

The short answer

  1. 1

    Best overall in Mount Zion: DiamondShine WindowWashing, CR Score 84/100; 5.0★ from 55 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Copper Creek Contractors, posts 24/7 hours; ranked #2 of 47.

  3. 2

    Most-reviewed: Copper Creek Contractors, 232 Google reviews at 4.9★, the most of 47 ranked; ranked #2.

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

47 Mount Zion window installers are ranked here by CR Score, from 8 published factors. 5 are open 24/7, 28 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.8★ across 47 rated businesses.

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

Top 10 window installers in Mount Zion at a glance

Top 10 window installers in Mount Zion at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1DiamondShine WindowWashing845.0★ (55)Downers Grove, 21 mi away24/7Overall
2Copper Creek Contractors824.9★ (232)Mahomet, 38 mi away24/7Emergencies, Most reviews
3Midwest Siding & Windows804.9★ (86)Decatur, 8 mi away——
4Williams Home Exteriors795.0★ (31)Kankakee, 21 mi awaySat · Evenings—
5Rinse&Shine Window Washing795.0★ (11)Downers Grove, 21 mi away24/7—
6B & B Glass784.5★ (80)Decatur, 6 mi away——
7About Time Window Shine784.8★ (20)Springfield, 36 mi away24/7—
8Windows Doors & Beyond785.0★ (18)Frankfort, 21 mi awaySat · Evenings—
9JP Windows and Doors LLC775.0★ (20)East Peoria, 21 mi awaySat · Evenings—
10Roofs By Otto's775.0★ (99)Douglas, 22 mi awaySat—

The 47 best window installers in Mount Zion, 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.

  3. #3 Midwest Siding & Windows

    Based in Decatur, 8 mi away

    80/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 86 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 86 Google reviews
    Hours
    Mon–Thu 7 AM–4:30 PM · Fri 7 AM–3:30 PM · Sat–Sun closed
    Address
    2955 N Dinneen St, Decatur, IL 62526
    View profile for Midwest Siding & Windows(217) 877-4646

  6. #6 B & B Glass

    Based in Decatur, 6 mi away

    78/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.5★ from 80 Google reviews, listed on Google as “Window installation service”.

    • 4.5★ from 80 Google reviews
    Hours
    Mon–Fri 7:30 AM–4 PM · Sat–Sun closed
    Address
    651 E Wood St, Decatur, IL 62523
    View profile for B & B Glass(217) 429-1917

  10. #10 Roofs By Otto's

    Based in Douglas, 22 mi away

    77/100CR Score

    Ranked #10 because of its Google rating and review volume: 5.0★ from 99 Google reviews, 99 Google reviews.

    • 5.0★ from 99 Google reviews
    Hours
    Mon–Sat 7 AM–5 PM · Sun closed
    Address
    2260 N Co Rd 1800 E, Arthur, IL 61911
    View profile for Roofs By Otto's(217) 928-1072

  11. #11 All Windows Direct

    Based in Decatur, 9 mi away

    76/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 25 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 25 Google reviews
    Hours
    Mon–Fri 9 AM–4:30 PM · Sat–Sun closed
    Address
    3134 N Water St, Decatur, IL 62526
    View profile for All Windows Direct(217) 422-9999

  15. #15 Chuck's Glass & Mirror Co

    Based in Lincoln, 36 mi away

    74/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 18 Google reviews, listed on Google as “Window installation service”.

    • 4.8★ from 18 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat 8:30 AM–12 PM · Sun closed
    Address
    221 S Sherman St, Lincoln, IL 62656
    View profile for Chuck's Glass & Mirror Co(217) 735-4307

  16. #16 Duncan Windows & Floors

    Based in Mattoon, 33 mi away

    74/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Window installation service”.

    • 4.7★ from 12 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 9 AM–1 PM · Sun closed
    Address
    920 Dewitt Ave, Mattoon, IL 61938
    View profile for Duncan Windows & Floors(217) 234-3485

  17. #17 KAS Windows, LLC

    Based in Mattoon, 34 mi away

    74/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.8★ from 54 Google reviews, listed on Google as “Window installation service”.

    • 4.8★ from 54 Google reviews
    Hours
    Mon–Fri 9 AM–4 PM · Sat–Sun closed
    Address
    1321 Lake Land Blvd, Mattoon, IL 61938
    View profile for KAS Windows, LLC(217) 254-9941

How much do window installers cost in Mount Zion?

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 Mount Zion?
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 Mount Zion window installers

We scored 47 Mount Zion 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 Mount Zion 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 Mount Zion: frequently asked questions

Who is the best window installer in Mount Zion?

By CR Score, the highest-ranked window installer in Mount Zion, IL is DiamondShine WindowWashing with a CR Score of 84/100. It has 5.0★ from 55 Google reviews. It is open 24/7. Copper Creek Contractors (#2) and Midwest Siding & Windows (#3) follow. We ranked 47 window installers on 8 factors, last updated October 22, 2026.

How many window installers are there in Mount Zion?

ContractorsRanked ranks 47 window installers serving Mount Zion, IL. Counts are as of October 2026.

Which window installers in Mount Zion are open 24/7?

5 ranked window installers in Mount Zion post 24/7 hours. The highest-ranked are DiamondShine WindowWashing (#1), Copper Creek Contractors (#2) and Rinse&Shine Window Washing (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in Mount Zion work on weekends?

28 of 47 ranked window installers post Saturday hours and 9 post Sunday hours. The highest-ranked open Saturdays are DiamondShine WindowWashing (#1), Copper Creek Contractors (#2) and Williams Home Exteriors (#4). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Mount Zion?

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 Mount Zion window installers have?

The median Google rating among 47 rated window installers in Mount Zion is 4.8★, with a median of 18 reviews. Copper Creek Contractors has the most, 232 reviews, and ranks #2. 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 Mount Zion count in this ranking?

Yes, if they are within 40 mi of the Mount Zion 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 Mount Zion

  1. October 2026: CR Scores recalculated for 47 window installers serving Mount Zion.

More window installers and Mount Zion pages

Other trades in Mount Zion