Industry Affiliations and Partnerships

Joyce’s unwavering commitment to excellence is evident through our esteemed professional affiliations. Collaborating closely with our affiliates, we subject our products to rigorous testing and certification procedures, ensuring a final product that exemplifies the highest levels of energy efficiency for every home. Our selectivity in choosing partners is a direct reflection of our company values. We are dedicated to fostering relationships only with the foremost organizations in the window, door, and sunroom industry. Joyce is discerning in its partnerships, working alongside organizations that align with our mission to design, manufacture, and install products that not only meet but surpass industry standards.

The Vinyl Institute is a trade association representing manufacturers of vinyl products. Vinyl is the global choice for diverse applications. You can learn more about the vital role vinyl plays in our everyday lives by checking out the Vinyl Institute website at

Joyce takes pride in its partnership with ENERGY STAR, offering a diverse range of ENERGY STAR certified and ENERGY STAR Most Efficient 2023 products. This voluntary labeling program, overseen by the U.S. Environmental Protection Agency (EPA), serves to empower consumers and businesses in swiftly recognizing energy-efficient products that contribute to cost savings and environmental preservation for future generations.

The distinctive blue ENERGY STAR label serves as a symbol of simplicity, credibility, and impartiality, providing consumers and businesses with the reliable information they need to make well-informed purchasing decisions. For more details, we invite you to explore further at

Joyce consistently undergoes rigorous testing of its products to secure certification within the fenestration industry through the National Fenestration Rating Council (NFRC). The NFRC is dedicated to developing and administering comprehensive energy and rating programs, catering to both the public and private sector. By offering fair, accurate, and credible information on product performance, these programs meet the needs of our valued partners and empower consumers with user-friendly insights.

Joyce is a proud member of the National Sunroom Association, which is the voice of the sunroom industry. Members of our team have served on its Board of Directors and its various committees.

Keystone plays a pivotal role in empowering manufacturers like Joyce through our comprehensive third-party certification, inspection, and quality assurance programs. These initiatives serve as a robust framework for showcasing compliance with a spectrum of benchmarks, including energy efficiency programs, the ENERGY STAR® program, building codes, marketing claims, and utility or tax rebate programs.

Keystone maintains licenses, accreditations, and recognition from various accreditation and government bodies. Additionally, they proudly hold memberships and affiliations with esteemed industry associations, including ANSI, NFRC, and the EPA.

The Insulating Glass Certification Council, Inc. (IGCC) is a nonprofit organization with the mission of promoting the public interest and participants’ business interests by upholding the highest standards in insulating glass manufacturing. Through collaboration with suppliers, fabricators, and non-industry members, IGCC develops and maintains standards for excellence. Their Certification Program ensures that insulating glass manufacturers meet established standards through periodic inspections and testing by independent laboratories. The program is directed by participants and a Certification Committee, managed by an impartial administrator and the IGCC Board of Governors. IGCC remains adaptable to technological changes, developing guidelines through open discussions and applying them consistently to all participants.

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