Energy Efficient Replacements is a locally owned home improvement company in Granger, IN, serving South Bend, Mishawaka, Elkhart, and surrounding Michiana areas. We specialize in replacement windows, doors, sunrooms, patio enclosures, awnings, roof replacement and energy-efficient home upgrades. Trusted local professionals near you.

Great service from eer Windows. Very happy.

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