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 St. Clair County, Michigan


How is the view from your St. Clair County MI home?

New replacement windows shine a bright and positive light into any St. Clair County MI home. But be sure your new replacement windows don’t allow the harmful UVA rays to damage your skin or your St. Clair County MI window furnishings and décor. Let the sun shine in with new replacement windows that exceed the U.S. government’s Energy Star standards.


Choose The Michigan Replacement Window.

The only St. Clair County MI replacement window that also offers Earthwise “Made in America”  quality and Good Housekeeping’s seal of approval.  Better yet, the Low-E Glass used in new replacement windows cuts energy costs by preventing heat loss or sunray transmissions that clear window glass allows. Add in the Owens Corning Sealing Technology to the energy efficiency with an advanced weatherstripping and patented sealing material and your St. Clair County MI home will have the best replacement windows available.


Replacement windows made for St. Clair County MI in Michigan.

Family owned and operated in the St. Clair County MI area for over 60 years, the Michigan Window is a custom built replacement window made to fit any existing window dimension. With the right replacement window the cost of St. Clair County MI home maintenance can also be lowered.  Consider a tilt wash single or double hung replacement window making cleaning any new St. Clair County MI replacement windows an inside job. Each replacement window whether it be a bay, bow, picture or custom creation is encased in a paint free high grade vinyl frame eliminating the cost of painting.


Shop from your St. Clair County MI Home.

Visit our 65,000 square foot facility or call for a free in-home introduction to superior replacement windows for your St. Clair County MI residence. D&W Windows and Sunrooms has been improving views since 1955.

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