General Info There’s never been a better time to transform your home with Champion of Milwaukee! Think of us as a one-stop shop for everything you need to beautify your home’s exterior: windows, sunrooms, siding, and doors. Only Champion offers the superior energy efficiency of Comfort 365 Windows, industry-leading limited lifetime guarantee, and award winning products made in the USA. For over 60 years, Champion has been manufacturing and installing quality windows, doors and sunrooms while creating a seamless experience for our customers. More than 9 out of 10 customers recommend Champion. Not only do Champion products enhance your curb appeal, but can also lower your energy bills, improve the comfort level of your home and reward you with a high return on your investment. Experience the difference Champion products can make for your home today!