Certifications & Memberships

Helping shape the window & door industry.

​Windsor is proud to be a part of several organizations that value the environment and strive to meet energy efficient certifications.

We take great pride in providing you with products that save you money on heating and cooling costs, while positively contributing to the environment. As a member of several non-profit organizations, we are actively involved in helping promote green building and educate on best practices within the industry. 


LEED logo
The Leadership in Energy and Environmental Design (LEED) program was established by the USGBC as a national benchmark for homes seeking third-party certification for green building. Windsor’s windows and doors have been used in homes that have acquired Gold level LEED certification, as well as countless other homes that adhere to strict environmental regulations.


NFRC logo
The National Fenestration Rating Council is a third-party certification agency, which developed and operates a uniform national rating system for the energy performance of fenestration products.


WDMA Member Logo
The Window & Door Manufacturers Association defines the standards of excellence in the residential and commercial window, door and skylight industry and advances these standards among industry members while providing resources, education and professional programs designed to advance industry businesses and provide greater value for their customers.