4.6 
1k+ *The Angi rating for Window Service companies in Prospect Heights, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
*The HomeAdvisor rating for Window Service companies in Prospect Heights, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Window Service needs.
Last update on June 30, 2026
Serving Prospect Heights, IL and surrounding areas
Approved
In business since 1997
Free estimates
Warranties offered
"Outstanding! Every aspect was a positive experience for us...customer service to window selection to price. The work was done in a timely fashion and John's crew was great. Cleaned up after they were done and were pleasant to have in our home."
+53
Serving Prospect Heights, IL and surrounding areas
Approved
In business since 2002
Free estimates
Warranties offered
"Amazing! This product is exactly what I was looking for. Professional/expert installation and service. Will be using Excel Window Tinting in the near future for another home project."
+20
Serving Prospect Heights, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1997
Free estimates
Warranties offered
"Excellent price. Great job installing windows. Customer service very helpful. Had all windows replaced. Windows made in Illinois. Made a significant improvement on my heating bill."
+3
Serving Prospect Heights, IL and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"Window & Door Connection was amazing, fast, & will hire them again if needed."
+1
Serving Prospect Heights, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2005
Free estimates
Warranties offered
"It went very well Gus explained everything from process, how long it would take and pricing. Once the windows arrived they did the job in 1 day very quickly. Love the new windows and for sure I will call again to complete another project in our home. Great work done. From: Leo & Rosy"
+62
Serving Prospect Heights, IL and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
Integrity Windows & Siding, specializes in replacement windows, patio doors, vinyl, aluminum, fiber cement and cedar siding. We are an owner operated, full service window and siding company that provides top quality, lifetime warranty products with expert installation by our skilled and experienced carpenters. We are fully licensed, insured and bonded. All work will be done in a professional and workmanship like manor and will be completed in a timely manner as well. You will be pleased with Howard, he will be on every job site every day to make sure the job is running according to schedule and to address any needs or concerns you may have. We have an outstanding record with many references always available. Please feel free to read our ratings and reviews. Call Howard today to discuss all your window and siding needs.
+10
Serving Prospect Heights, IL and surrounding areas
Approved
In business since 2011
Free estimates
Warranties offered
"I would use them again! They were friendly, prompt, detail oriented, worked quickly and cleaned up everything..very professional when replacing my picture window....and reasonably priced."
+48
Serving Prospect Heights, IL and surrounding areas
Approved
In business since 2008
Warranties offered
Small jobs welcome
"Set up appointment very quickly and explained pricing before they came out to the house. They not only fixed the sliding door but also fixed a screen and window handle and asked if I had any other window / door problems . Wow what service ! I would definitely recommend this company . Very polite and prompt too."
+28
Serving Prospect Heights, IL and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
"Jon came out measured my window and was back within a week to replace the bad window. Very professional, worked around my business timeline and was proficient. I will be referring him to anyone I know with bad windows! I catch myself gazing out the window now that I can see out of it."
+54
Serving Prospect Heights, IL and surrounding areas
Approved
In business since 2011
Free estimates
Credit card accepted
"I hired the company for replacing the glasses of 20+ windows on the entire south side of my house. They completed the project in one day. The price is reasonable. Happy with the results."
+7
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