We have been installing quality windows and doors since 2000 and we are one of the very few Pella Certified contractors in the state. Whether you have lived in your home for many years or are just moving in and want to make your home your own, replacement windows and doors are fantastic options for refreshing the look and function of your home.
We at Sims have worked hard to earn our reputation as one of the best window contractors in the Madison. We always put our clients first, from design to installation. Our client process management is designed to put you in the driver’s seat.
You’ll never feel lost or confused about what we’re doing and why we’re doing it. No matter what your needs, we’ll have a solution that’s right for you.
Our Featured Projects
Why Choose Us

Value You Can Count On

Clear price

Guaranteed price quotes

Total Guarantee

Complete Quality Control

Business Philosophy
FAQ

Our experienced estimators will work with you to explore and recommend products that will not only showcase your home’s beauty, but make it the place you want to show off.
With a multitude of factors that contribute to the overall price of the project, such as the size of your home, and materials selected, arriving at a generic cost is not accurate. Our sales team will help you narrow down options, and get exact measurements using state of the art software to get you the most accurate pricing possible.
Scope of work and quantity of material to be installed vary greatly between projects. We will give you realistic expectations on installation times and schedules keeping you in the loop on any changes that might arise.
We provide a Realtor type key box at the start of the project that allows us to access your home as needed, and you the ability to proceed with your normal routine.
Most of the product lines we offer from siding to windows have lifetime warranties on the material, and then we add on our 10 year workmanship warranty giving you not only a quality end result but the associated service to back it up.

Reviews
“Very professional and best communication of anyone that we have had do work on our home!”
G Junge
“Good communication, great workmanship. Very satisfied with everything.”
T Gavin
“From the project manager Nate to the crew, I was kept informed on all aspects of the project , I would recommend Sims to anyone!”
N Mulhern
“At first we thought it was a lot of money, but then we saw the finished deck which was worth every penny.”
D. Fasking
“I'll be recommending Sims to anyone that wants to work on their home! ”
C. Monaghan

Areas We Serve
- Madison
- Middleton
- Maple Bluff
- Monona
- Cottage Grove
- Stoughton
- Sun Prairie
- Verona
- Oregon
- Waunakee
- Mcfarland
- Deerfield

Interested?

We currently operate in the following locations: Madison, Middleton, Maple, Bluff, Monona, Cottage Grove, Sun Prairie, Verona, Oregon, Waunakee, Mcfarland, Stoughton, Deerfield. For your projects outside of our current coverage areas, please reach out to us and we will let you know when we expect to be in your zone.
