Skip to content
ContractorsRanked

Koolmaster Co. Inc.Window installer in La Salle, IL

Koolmaster Co. Inc. is a window installer at 300 2nd St, La Salle, IL 61301, ranked #1 of 17 window installers in La Salle and rated 4.5 from 51 Google reviews. Open Monday to Saturday.

La Salle, ILUpdated 0 paid placements in any rankingHow we rank

Call (815) 223-8972Website ↗

Key facts

Key facts about Koolmaster Co. Inc.
Address300 2nd St, La Salle, IL 61301Get directions
Phone(815) 223-8972
Websitekoolmasterco.com
HoursMonday to Friday: 8 AM – 5:30 PM; Saturday: 8 AM – 12:30 PM
Google rating4.5 from 51 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Windowsmain tradeGoogle main category

Service area

Serves La Salle and 11 towns within 40 miles: Peru, Spring Valley, Ottawa, Mendota, Princeton, Streator, Sandwich, Chillicothe, Morris, Plano and Pontiac.

Based in La Salle, ILView on map

Opening hours

Opening hours for Koolmaster Co. Inc.
DayHours
Monday8 AM – 5:30 PM
Tuesday8 AM – 5:30 PM
Wednesday8 AM – 5:30 PM
Thursday8 AM – 5:30 PM
Friday8 AM – 5:30 PM
Saturday8 AM – 12:30 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Typical window installation prices

Typical window installation prices
JobLowTypicalHigh
Window replacementPer project (several windows): typical range of customer-reported projects. US national range × 1.00 East North Central factor (2025 Cost vs. Value Report)$3,430$7,340$11,830

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby window installers

Koolmaster Co. Inc. compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Koolmaster Co. Inc. (this business)—604.5 (51)—YesNo
The Glass Guy#2564.9 (18)—NoNo5.4 mi
Elite Seamless Gutters#3544.9 (94)—NoNo5.1 mi

See all 17 ranked window installers in La Salle

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

4.5from 51 Google reviews

Hired Koolmaster Co. Inc.? Write a review

Questions about Koolmaster Co. Inc.

How is Koolmaster Co. Inc. ranked in La Salle?

Koolmaster Co. Inc. is ranked #1 of 17 window installers in La Salle by CR Score, with 60 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Koolmaster Co. Inc.’s hours?

Koolmaster Co. Inc. is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 5:30 PM; Saturday, 8 AM – 12:30 PM. On Saturdays it is open 8 AM to 12:30 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Koolmaster Co. Inc. serve?

Serves La Salle and 11 towns within 40 miles: Peru, Spring Valley, Ottawa, Mendota, Princeton, Streator, Sandwich, Chillicothe, Morris, Plano and Pontiac. The list is based on the business's location and the usual service radius for window installation. Confirm your address is covered when you call.

What do Google reviews say about Koolmaster Co. Inc.?

Koolmaster Co. Inc. has a rating of 4.5 from 51 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Koolmaster Co. Inc.?

Call Koolmaster Co. Inc. on (815) 223-8972. The business is at 300 2nd St, La Salle, IL 61301. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

Own Koolmaster Co. Inc.? Claim this profile.

Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

Claim this profile