Get matched with top window pros in O Fallon, IL

"We absolutely love our windows"

"professional, cleaned up and quality of windows is great"

Your Satisfaction is Our Priority. With over 20 years of experience in home improvement including windows, siding, roofing and bathrooms, we?re ready to ensure your upgrade is PERFECT. Our company is based on the belief that our customers needs are of the utmost importance. Our entire team is committed to meeting those needs. As a result, a high percentage of our business is from repeat customers and referrals. Locally Owned for over 20 years!

"I used H&F exteriors to redo the complete outside of my home. From top to bottom. My windows were the original windows to the home, now that it is summer time, my AC Unit barely runs, no where near to what it use to. From the window installers, to the guys on the roof during the hot day, and the siding guys. The entire team did a great job. I worked with Jill and she was easy to work with. Highly recommended."

"The Haire Corporation were phenomenal. They went beyond the call. The price was in my price range and they explained the process as they went along. Their professionalism was beyond reproach and cleaned behind themselves like no job was done. I would recommend their services to everyone. I will be using their services again very soon. Thank you The Haire Corporation for making my experience a stress free one!"

"Nice work and very hard workers. Earn every penny they get"

"Easy to work with, listened and very patient. Talk through design ideas and helpful with what would be best for us and our wants/needs. Price reasonable and project was done in a timely manner. Cleaned as they went, kept us in the loop and easy to reach with questions.Our Bathroom is beautiful, they did a great job."

"Quick response to my request on Friday and demolition the next Monday. The demolition and removal took less than an hour. I am pleased because the dilapidated shed was in the way of my next home improvement project. I told Alan I was leaving for vacation Monday morning. He was on site at 7:15 am."

Welcome to OV Development & Construction Group!\nWe are a full-service construction and remodeling company committed to delivering reliable, professional, and high-quality work. From small repairs and maintenance to complete home renovations, our experienced team is ready to handle your project from start to finish.\nOur services include painting, fencing, roofing, siding, flooring, drywall, plumbing, electrical, HVAC, landscaping, kitchen and bathroom remodeling, and general home improvement.\nWe believe in clear communication, fair pricing, dependable service, and doing the job right.\n📞 Contact OV Development & Construction Group today for a FREE estimate.

To learn about Mad City Windows and its history, you need to start back in 1998 when our family-owned company first opened its doors and changed the face of home remodeling in Wisconsin. From the beginning, our business has been built on a foundation of friendship and trust and, in return, local homeowners have come to know they can place their trust in us. In order make certain that we consistently earn that trust, we are dedicated to ensuring the expert, seamless delivery of high-quality products and remodeling solutions to homeowners throughout our service area.\n\nToday, we expand our home remodeling expertise across Wisconsin, Minnesota, Iowa and Illinois. With over 50,000 completed projects, we take our 2+ decades of experience to serve the communities of Minnesota, Iowa and Illinois. They can expect our highest standard of service and professionalism.