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

The right time for new replacement windows in your Bay City, MI home is now.

If you are shopping for new construction or replacement windows for a Bay City, MI home check out “The Michigan Window”.  Manufactured locally, D&W Windows and Sunrooms windows are built in Michigan for Michigan. Plus, all of our replacement windows come with a lifetime guarantee on both the glass and the window construction. So, when we say factory direct windows we mean cost savings direct from the factory!


There are many benefits to purchasing locally manufactured windows.

Bay City homeowners will find made in Michigan replacement windows installed and serviced by a D&W professional team will leave them beaming with pride. Say goodbye to high heating and cooling bills and say hello to a beautiful new appearance to your home.  Replacement windows are easy to operate and require no construction maintenance.

Because of the variety of designs, colors and grid patterns, Bay City homeowners can custom order “The Michigan Window” to perfectly match the current home design while making an immediate impact on the home’s value by improving the curb appeal. Give a new look to your Bay City home when choosing from bay or bow, double or single tilt wash, sliders windows center or end vent and more. Find that matching the color of your Bay City home is easy with multiple custom exterior color choices and for the interior there are options, too.  Finishing off each replacement window with screens and marble sills will be favorable features for years to come.


We have the solution to the installation of replacement windows.

Beautify your Bay City, MI home with replacement windows, a very smart investment. Call 800-833-9831 and schedule a free in-home estimate at your convenience.


Improving Your View Since 1955


Free In-Home Estimates

®2019   D&W Windows and Sunrooms

8068 E. Court Street, Davison, MI 48423

2020 N Opdyke Rd., Auburn Hills,  MI 48326