The Michigan Window™: Made IN Michigan FOR Michigan Weather

The Michigan Window™, the first and only window built to beat Michigan's weather extremes. The Michigan Window™ has been engineered and finely tuned to perfectly combat the coldest winters and the hottest summers. D&W has combined over 60 years of window experience with features exclusive to The Michigan Window™

Michigan's leading replacement window company

Exclusive to The Michigan Window

The Michigan Window incorporates Owens Corning Air Sealing Technology.  This advanced weatherstripping provides a superior air seal.  The patented Zipper Seal material has been independently tested  and shows a 24% improvement compared to the competition.

THE PINK PANTHER™ & © 1964-2018 Metro-Goldwyn-Mayer Studios Inc. All Rights Reserved.

Inside The Michigan Window

Exclusive energy-efficient E-Z Fill Foam fills the frames and sashes of The Michigan Window, offering exceptional resistance to thermal transfer of heat and cold.

Meets or exceeds Energy Star 6.0

The Michigan Window and patio doors are designed and built to meet the highest standards of energy efficiency. With high‐performance options, The Michigan Window and patio doors meet or exceed ENERGY STAR standards.

Highest Standards of Quality

For more than a century, the Good Housekeeping Seal has been considered a mark of superior product quality and excellent customer service. The Good Housekeeping Seal provides an additional two-year

money-back guarantee.

High-Performance Vinyl

SunShield® is a proprietary high-performance vinyl compound developed by the material scientists at Deceuninck North America.


SunShield ensures long-lasting color retention and low maintenance and is uniquely formulated to withstand the harsh effects of weather, ultraviolet light and sun exposure.

Superior Performance

Innergy® Rigid Thermal Reinforcements are advanced fiber glass reinforced resin inserts, designed for greater strength and structural reinforcement and insulation.


Virtually impermeable to cold or heat and extremely resistant to condensation.

A National Network

Earthwise Group is a national network of locally owned, independent manufacturers who design and build high‐quality windows and doors. And D&W Windows & Sunrooms is the only Earthwise window manufacturer in Michigan.


Our products meet the highest energy standards in the industry, including those set by the U.S. government’s Energy Star program, the National Fenestration Rating Council (NFRC), and The American Architectural Manufacturing Association (AAMA) and are the first and only window and door products to be Made in USA Certified.

Dual Sealed Glass

The Michigan Window offers dual sealed glass with Super Spacer® warm edge technology.


NO-Metal Super Spacer® blocks the heat escape path and protects the glass edge from moisture and condensation. Super Spacer® is up to 950 times less conductive than standard aluminum spacers.

Window Styles for Every Home and Every Need

ALSO AVAILABLE:  Bay Windows, Bow Windows, Picture Windows, Custom Shape Windows and Patio Doors

New Replacement Windows for your Dewitt, Michigan home


Replacement windows will help beautify your home.


Many homeowners throughout the Dewitt MI area have replaced original windows with new D&W “Michigan Windows” learning very quickly what a smart investment they've made. Don't allow the topic of replacement windows dampen your spirits as they relate to your home improvement strategies. One of the smartest investments you can make in your Dewitt MI home is to invest in new replacement windows.


Why choose a local window manufacturer?


Manufactured in the DeWitt Michigan area, D&W replacement windows are maintenance free and guarantee a beautiful new look to your home.  The DeWitt MI replacement window is specifically designed to withstand freezing winter temperatures, while at the same time offering protection in your DeWitt home from the hot summer days seemingly experienced. Your replacement windows will be professionally installed by a trained D&W Window team eliminating third party charges and offering you the very best value for your asset. When you see your monthly energy expenses begin to diminish you'll know replacement windows are great especially for older DeWitt MI homes.


Capitalize on the technologies that DeWitt Michigan replacement windows offer.


DeWitt Michigan replacement windows are manufactured for top proficiency when constructed with Sunshield compounds and Low-E glass for Solar Control. D&W’s replacement windows are structurally built with a special E-Z fill foam to command strength and long life. The value of your home will increase, your days of worry regarding window maintenance will be non-existent and your neighbors will all want to know where you got your DeWitt MI replacement windows

The installation of new replacement windows in your DeWitt Michigan home is easy and affordable. Call D&W Windows and Sunrooms at 800-833-9831 to set up a free in-house estimate at your convenience. You'll be glad you did.

Improving Your View Since 1955


Free In-Home Estimates

®2022   D&W Windows and Sunrooms

8068 E. Court Street, Davison, MI 48423

2020 N Opdyke Rd., Auburn Hills,  MI 48326