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 Okemos Michigan home


High energy bills may mean it is time for new replacement windows.

Have you noticed year after year the rise in your energy bills?  Maybe it is time to replace the windows in your Okemos MI home. The old windows frames surrounding your home can allow for the loss of forced heat or cooling air. Replacing older, less efficient windows will mean savings for years to come. A quick call to D&W Windows and Sunrooms in the Okemos MI area can get you moving toward an energy savings home improvement project.


You and your home deserve the highest quality replacement windows.

Okemos MI manufactured windows are constructed with the highest quality materials.  You will find confidence in knowing the replacement windows in your Okemos MI home are constructed with Sunshield compounds that will offer steadfast performance and energy efficiency.  Knowing that the replacement windows in your home include the Earthwise label will add to the affirmation you made the right choice for the seasonal weather conditions in Okemos MI.  Adding to the constitution of the locally manufactured replacement windows is the inclusion of a 100% foam spacer design.  This factor will remove condensation or moisture formations and always provide a clear view.


Consider the options available.

If your Okemos MI home has various window sizes that is not an issue.  Each specially designed replacements window is built to fit your Okemos MI custom dimensions.  The Okemos MI homeowner can choose the type of grid pattern, custom exterior color, single or double locking mechanism, screen options and more.

The solution to finding your replacement windows is right in your Okemos MI backyard.

Beautify your Okemos Michigan home with D&W Window & Sunrooms replacement windows. Make a wise and energy efficient investment by calling 800-833-9831 and schedule a free in-home estimate at your convenience.

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