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

Your Resource For Replacement Windows in Saginaw MI

Beautiful windows are quite often the feature that sets a home apart from others in Saginaw Michigan neighborhoods. Replacement windows manufactured by D&W Windows and Sunrooms in Davison, Michigan promise to give a home the curb appeal that distinguishes it from other homes in the Saginaw area.


Founded in 1955, D&W has been installing replacement windows, sunrooms, roofs and more for well over 60 years. And, there are many beautiful homes in Saginaw and throughout mid-Michigan to prove it.


Windows that have grown old and worn cause seasonal drafts that can wreak havoc on today's energy bills. In many cases, these windows have been caulked and re-caulked, yet still don't perform as efficiently as newly installed replacement windows.


D&W manufactures “The Michigan Window” in its Davison, Michigan facility. Every window is custom designed to fit the needs of any Saginaw Michigan home. D&W replacement windows are created to handle those arctic cold winter nights, as well as the steamy hot summer days that Saginaw weather promises. Custom replacement windows are sure to keep the appropriate home temperatures where they need to be throughout any season.


A special EZ Fill Foam is injected in the framework of each replacement window.  D&W Windows uses advanced technology with every replacement window incorporating a no metal super spacer design. Replacement windows from D&W will eliminate drafts and ensure proper sealing inside a Saginaw Michigan home. Quality replacement windows provide energy savings throughout the year, especially with Saginaw’s perpetual weather changes.

Installation of D&W’s replacement windows are handled by our professional team directly to any Saginaw home. Cutting out the middle-man secures that the job is done properly, timely and professionally.


No more scraping, painting or fixing window frames as D&W Replacement Windows come guaranteed and require little maintenance. If you're serious about addressing the aged windows in your Saginaw home, get ready to experience replacement windows that offer energy savings for years to come. There's no better time to make a smart call and invest in your Saginaw, Michigan home. Contact D&W Windows and Sunrooms in Davison, Michigan, 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