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 Port Huron Michigan


Old, inefficient windows could be costing you more that 25% in lost energy costs.

If the windows in your Port Huron MI home are aged, drafty and show signs of condensation, you may want to consider new replacement windows. Moisture on the inside of windows means there is a leak allowing air to escape from inside the home. Good windows should not show excessive sweat or moisture build up.  Well manufactured replacement windows constructed with E-Z Foam filling prevent the exchange of thermal transfer of heat and cold eliminating moisture and mold growth.


Any Port Huron MI homeowner would benefit from the energy savings achieved from replacement windows custom constructed with Sunshield composite materials and Solar Low-E glass.  The paramount compounds provide the durability needed to hold up to all weather conditions in the Port Huron MI area.  Low E-glass offers an insulation which prevents the loss of heat or cooled air through these new replacement windows. All of mentioned features and more found in Port Huron MI replacement windows provide energy cost savings.


You cannot beat locally manufactured and installed Port Huron MI replacement windows.

In our Port Huron MI area showroom and plant, the highest quality replacement windows are manufactured and are on display.  These replacement windows wear the Good Housekeeping seal given only after intensive industry testing.  As the only manufacturer using the Earthwise system in Port Huron and all of Michigan, these windows also are awarded the U.S. government Earth Star energy ratings and are certified Made in the U.S.A.


Now is the time for Port Huron MI homeowners  to call about replacement windows.

Beautify your Port Huron MI home new replacement windows.  This smart investment will prove its value with the first energy bill. A professional team member will visit your Port Huron MI home to introduce these energy efficient replacement windows. Call 800-833-9831 and schedule a free in-home estimate.

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