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Why Choose Feldco?

Made in the USA

Feldco’s products are proudly made in the USA, with unparalleled craftmanship and care. Built to withstand the harshest Midwestern elements, and made to last.

We're Local

Originally starting as a Chicago window replacement company in 1976, we've expanded to 12 showroom locations across Illinois, Indiana, Iowa and Wisconsin within a large service area.

Warranty

Feldco stands behind its products. We work hard to provide our customers with unsurpassed customer service, a quality product at a great value, with the industry’s strongest warranties.

Value

When you choose our products, you’re not just making a purchase; you’re making an investment in durability and reliability. Our commitment to value means you get more for your money.

LEARN MORE ABOUT FELDCO

Replacement Windows, Siding, Doors & Roofing

Serving Illinois, Iowa, Wisconsin, Indiana & Michigan

Since 1976, we’ve been dedicated to improving lives, one home at a time. Replacing your windows, siding, doors and roofing is easy with Feldco. From our financing options to energy efficient products for your home, our home improvement company is here to make your exterior home remodeling project a success.

45+

Years Of Service

1,500,000+

Windows Installed

1,000,000+

Sq. ft. of Siding Installed

100,000+

Doors Installed

See What Our Customers Are Saying Online

Richard Ketchum

2/6/2025

Great response to minor concern.

MarzMan

2/6/2025

What an absolute great team of people! I honestly could not be more happy with the outcome of my windows project. The installation crew was absolutely perfect. Their attention to detail and quality of work was way more than I expected. From sales to service was nothing more than perfect. I had a huge picture window installed by Window Nation and their work was absolutely horrible. Don't waste a second of your time with Window Nation. They shouldbe out of business. The absoluteworst experienceever. . Call the pros at Feldco. You will not be disappointed. They replaced window Nations horrible work with nothing more than 100% pure quality.

Karen Kushner

2/5/2025

This is my second time using Feldco. My first experience was getting new windows installed recently and my family and I love them. After the new windows, it was time to replace the old front screen door. The representative, Andrew Peirick that worked with me for the windows was the same person who helped with finding the right screen door that would like nice. Between the two of us, I’m happy to say that we made a great choice! The new screen door was installed recently and it’s beautiful and now the front of my house looks so different with the windows and door.

Matthew Barnes

2/1/2025

Matthew is very personable and knowledgeable. It seems that his first priority is my total satisfaction and I appreciate that.

David Rosen

1/31/2025

Outstanding professional amazing .. polite efficient top notch

Jamie Derment

1/28/2025

Javier did a great job with my estimate. He was very knowledgeable and was able to answer all my questions. I can't wait to see my new windows installed!

Heather Houze

1/27/2025

Javier came and measured my house for siding and windows and did a great job

Jennifer Engels

1/25/2025

Gary Kos with Feldco was amazing! He came out to our home for a free quote and was so knowledgeable. We signed contract with him right there and then! Best quality.

Justin Colgan

1/23/2025

The work exceeded my expectations. The team that worked on my project went above and beyond to make sure the project was completed to a high standard. Highly recommend Feldco for your siding needs.

Christopher O'Brien

1/22/2025

I highly recommend this company for windows and doors. Team was professional and customer service is out of this world fantastic. No one will ghost you and they are timely. Their communication feels like how customer service uses to be back prior to COVID. Customer service is also in the USA!!!!Great job!!!

Gregory Branson

1/20/2025

Very happy with the entire process. We needed 23 windows and a patio door replaced. The prices that we were quoted were exactly what we paid, and there were no surprises. We were promised an install date and they actually got everything installed a week ahead of schedule. We couldn’t be happier with the experience from start to finish

R Spencer

1/19/2025

Super fast install and installers very nice to deal with..

Maren Teeling

1/14/2025

Fabulous job on install! 14 window Install was completed in one day, 8am to 1pm, by a team of 3. The team was timely, very personable & efficient! The team lead, Mark answered our questions as they worked and showed us how to open the windows for cleaning as well as how to vent. We’re very happy with the end result and would highly recommend Feldco for window stall again!

Michele Micke

1/10/2025

Jack was very nice and knowledgeable. Was very patient with me and my questions. I would recommend feldco

Mike Hankey

1/9/2025

Very easy to work with. Quick scheduling - looking forward to install!

Tonya Archinard

1/4/2025

Awesome company & employees I personally dealt with. No complaints.

Donald Wallenberg

12/23/2024

Installers were friendly and professional.

Dennis Molloy

12/17/2024

1st class installation of 19 windows that went smoothly and NO issues.

How Can We Help Renew Your Home?

ADDITIONAL HOME RENEWAL SERVICES

GUTTERS

Replace your old gutters with new aluminum gutters.

LEARN MORE

SOFFIT & FASCIA

Replace your old soffit when brand new, heavy duty soffit and fascia.

LEARN MORE

GARAGE DOORS

Our sister company, Danley's, offers garage door replacement in Chicagoland.

VISIT DANLEY'S

We Make It Easy to Renew Your Home.

Contact Us

Simply give us a call at 866-4FELDCO or fill out our online form.

In-Home Consultation

A Feldco Product Specialist will meet with you to determine your home renewal project needs and details.

Installation

A professional team from Feldco will complete your project and ensure that you're delighted from start to finish!

GET A FREE QUOTE

Let's Get Social!

Rewarding Careers at Feldco

Here at Feldco, we strive for delight – our goal is to always ensure our customers have not just a good experience, but a great one. But our mission of delight doesn’t stop there; it extends inwards too, and is of the utmost importance. We’re happy to say we’ve succeeded in that mission – Feldco is incredibly proud to announce we've been named to the Chicago Tribune's 2023 Top Workplaces list, for the 10th year! We're thrilled to have been included and thankful to our employees, who made this happen! Talk about delight!

Learn More

Learn More from the Home Renewal Experts

Feldco Named Top Workplace for the 7th Time

Feldco Windows, Siding, Doors and Roofing is named a top workplace for the 7th time. Come find out why!

Despite being a low maintenance material, there will be times that your siding requires cleaning. Here's how to remove those

Roof popping is a common sound that forces a homeowner to take notice of this particular area. Here's why your roof may be po

Is it time to replace your windows? Discover the key indicators and benefits of vinyl window replacement in this comprehensiv

Which one is right for your home? Are you trying to maximize a view in a certain part of your house? Here are the 10 best win

Vertical siding has many benefits that are appealing to so many homeowners. Now’s your chance to transform your home and impr

Your entry door goes through deterioration and damage. Mostly, the damage is done to the frame but the entry door frame repai

Many homeowners think they need operable windows in all room of their home. However, there are many benefits to fixed windows

When it comes to choosing the best type of entry door for your home, you'll want to consider either a steel or fiberglass doo

Houseplant owners will tell you the first thing if you want to keep your plants alive, you must know the difference between d

Find out what type of storm door is best for your home by reading this very helpful article that goes over all the many types

Winter is coming and you're thinking about saving money. It all starts with your sliding patio door. Check out how to winteri

Want to know the most surefire way to brighten up your home? Here’s a few tips and tricks that can give your home a transform

During the summer, all the pollen in the air can coat your windows leaving them dirty and cloudy. Here, are some tips to keep

Use our easy DIY method to remove stains from vinyl siding. All you need is a little patience, the right products, and our ti

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Service Areas

Replacement Windows, Siding, Doors & Roofing

Serving Illinois, Iowa, Wisconsin, Indiana & Michigan

Since 1976, we’ve been dedicated to improving lives, one home at a time. Replacing your windows, siding, doors and roofing is easy with Feldco. From our financing options to energy efficient products for your home, our home improvement company is here to make your exterior home remodeling project a success.

Start Your Project Today. It's Fast & Easy with Feldco.

Simply fill out the form below to get started and a Customer Delight Representative will reach out to you shortly to confirm your project details.

Why Choose Feldco?

Made in the USA

Feldco’s products are proudly made in the USA, with unparalleled craftmanship and care. Built to withstand the harshest Midwestern elements, and made to last.

We're Local

Originally starting as a Chicago window replacement company in 1976, we've expanded to 12 showroom locations across Illinois, Indiana, Iowa and Wisconsin within a large service area.

Warranty

Feldco stands behind its products. We work hard to provide our customers with unsurpassed customer service, a quality product at a great value, with the industry’s strongest warranties.

Value

When you choose our products, you’re not just making a purchase; you’re making an investment in durability and reliability. Our commitment to value means you get more for your money.

Replacement Windows, Siding, Doors & Roofing

Serving Illinois, Iowa, Wisconsin, Indiana & Michigan

45+

Years Of Service

1,500,000+

Windows Installed

1,000,000+

Sq. ft. of Siding Installed

100,000+

Doors Installed

See What Our Customers Are Saying Online

How Can We Help Renew Your Home?

ADDITIONAL HOME RENEWAL SERVICES

GUTTERS

Replace your old gutters with new aluminum gutters.

SOFFIT & FASCIA

Replace your old soffit when brand new, heavy duty soffit and fascia.

GARAGE DOORS

Our sister company, Danley's, offers garage door replacement in Chicagoland.

We Make It Easy to Renew Your Home.

Contact Us

Simply give us a call at 866-4FELDCO or fill out our online form.

In-Home Consultation

A Feldco Product Specialist will meet with you to determine your home renewal project needs and details.

Installation

A professional team from Feldco will complete your project and ensure that you're delighted from start to finish!

Let's Get Social!

Rewarding Careers at Feldco

Learn More from the Home Renewal Experts

Feldco Named Top Workplace for the 7th Time

Feldco Windows, Siding, Doors and Roofing is named a top workplace for the 7th time. Come find out why!

How to Remove Yellow Stains on My Vinyl Siding

Despite being a low maintenance material, there will be times that your siding requires cleaning. Here's how to remove those

Why Is My Roof Popping?

Roof popping is a common sound that forces a homeowner to take notice of this particular area. Here's why your roof may be po

Signs It's Time to Replace Your Windows

Is it time to replace your windows? Discover the key indicators and benefits of vinyl window replacement in this comprehensiv

10 Best Window Styles for Amazing Views

Which one is right for your home? Are you trying to maximize a view in a certain part of your house? Here are the 10 best win

How Can Vertical Siding Transform Your Home?

Vertical siding has many benefits that are appealing to so many homeowners. Now’s your chance to transform your home and impr

How to Repair an Entry Door Frame

Your entry door goes through deterioration and damage. Mostly, the damage is done to the frame but the entry door frame repai

Benefits of a Fixed Window

Many homeowners think they need operable windows in all room of their home. However, there are many benefits to fixed windows

Steel vs. Fiberglass Door: Which is Best for Your Home?

When it comes to choosing the best type of entry door for your home, you'll want to consider either a steel or fiberglass doo

The Difference Between Direct and Indirect Sunlight

Houseplant owners will tell you the first thing if you want to keep your plants alive, you must know the difference between d

What Type of Storm Door is Best for Your Home?

Find out what type of storm door is best for your home by reading this very helpful article that goes over all the many types

How to Winterize a Sliding Patio Door

Winter is coming and you're thinking about saving money. It all starts with your sliding patio door. Check out how to winteri

How to Make My Home Less Dark and Gloomy

Want to know the most surefire way to brighten up your home? Here’s a few tips and tricks that can give your home a transform

Best Ways to Keep Pollen Off Your Windows

During the summer, all the pollen in the air can coat your windows leaving them dirty and cloudy. Here, are some tips to keep

How to Remove Wood Stain from Vinyl Siding

Use our easy DIY method to remove stains from vinyl siding. All you need is a little patience, the right products, and our ti

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COMPANY

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SIDING

DOORS

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LOCATIONS

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