All Window Installers in Mankato

The Window Source of Mankato provides professional window and door replacement for homeowners across Mankato and the surrounding region, including Blue Earth, Nicollet, Le Sueur, Waseca, Steele, Rice, Freeborn, Faribault, Martin, Watonwan, and Brown counties. We help you upgrade comfort, curb appeal, and energy efficiency with quality replacement windows, entry doors, patio doors, and sliding doors, installed by experienced crews who respect your home and your timeline. From consultation and measurement to final install, we make the process simple and transparent. If you’re looking for window replacement near Mankato, new doors, or improved home efficiency, contact us for a no-pressure estimate and expert guidance.

Founded in 1949 by Robert J. Schmidt, Schmidt Siding & Window Inc. has grown from one person with a pickup truck working out of his garage to the largest and most respected home improvement company in southern Minnesota. Our founder’s vision of providing superior products and exceptional service has created a multitude of repeat customers who are proud to say they made the right choice with Schmidt.

We strive to protect your No. 1 investment, your home, with products and services that will endure for generations. Our business has one consistent goal: “Exceed expectations and create customers for life.”

Experience Window World’s unrivaled ENERGY STAR replacement windows, doors, vinyl siding, shutters and more. Contact us to schedule your free in-home quote today!

PM Windows and Doors provides high-quality windows and doors, with installation and maintenance services.
Located in Mankato, Minnesota, PM Windows and Doors serves the south central Minnesota region.

Specializing in seamless steel siding, Infinity from Marvin replacement windows, roofing, gutters, and doors. Family owned and operated for over 25 years!