U.S.-based manufacturing alliance will deliver first-in-class, Passive House-quality window systems with unbeatable lead times and superior energy efficiency.
RAMSEY, N.J., Sept. 10, 2026 /PRNewswire-ÌÇÐÄVlog/ -- , a visionary manufacturer of high-performance tilt-turn windows and doors, today announced that it has been selected by high-end German manufacturer Polymer to become its UPVC window and door manufacturing partner in the U.S. The companies will officially debut the partnership at in San Antonio, Texas, on September 10-12.
This partnership will bring a first-in-class window and door system from ³§³¦³óü³¦´Ç Polymer to Wythe's leading fully automated manufacturing process to deliver the highest-quality product consistently and with unbeatable lead times. This merges ³§³¦³óü³¦´Ç Polymer's high European manufacturing standards with Wythe Windows' ethos and passion for introducing USA-made high-performance building products.
"³§³¦³óü³¦´Ç's strength of high-quality engineering aligns perfectly with Wythe's excellent manufacturing capabilities," said Markus Herbst, CEO, ³§³¦³óü³¦´Ç Polymer Technologies KG. "This partnership ensures that more people will have access to the superior insulation and comfort that high-performance windows bring to the built environment."
Windows are a critical component of the building envelope, integrating all the layers into a single product. With a Wythe window designed in the ³§³¦³óü³¦´Ç UPVC system, buyers will have a window that delivers superior airtightness, watertightness, and insulation, collectively creating a more comfortable, affordable, and healthy home.
It's a major advancement for Passive House building standards, which can dramatically reduce heating and cooling loads by up to 90 percent. Wythe Windows and ³§³¦³óü³¦´Ç Polymer solutions are a critical part of Passive House's five basic principles, including an airtight building envelope, climate-appropriate insulation, thermal bridge-free design, balanced mechanical ventilation with heat recovery, and high-performance windows and doors.
"The partnership between ³§³¦³óü³¦´Ç Polymer and Wythe will elevate the Passive House construction manufacturing process by combining ³§³¦³óü³¦´Ç's precision-crafted UPVC profiles with Wythe's unmatched automation and commitment to USA-made high-performance building products," said Darren Macri, co‑CEO of Wythe Windows. "This partnership brings together groups of people who care about making the highest-performing windows and doors so that we can make the most number of people more healthy and comfortable in their homes."
"We are extremely proud that a company with ³§³¦³óü³¦´Ç's global reputation for engineering and quality has selected Wythe as a manufacturing partner here in the U.S.," said Rosario Vizzari, co‑CEO of Wythe Windows. "We believe it validates what we have been building for nearly a decade. Our goal has always been to take the best European window technology, manufacture it here, and adapt it to the way Americans design and build. Together with ³§³¦³óü³¦´Ç, we now have an incredible opportunity to bring that combination to a much larger U.S. market."
Attendees of Build Show LIVE can take a 30-second virtual tour of Wythe's fully automated factory in Ramsey, New Jersey, by . This immersive experience will highlight how high-performance building standards protect occupants and ensure a healthy, comfortable indoor environment. Additionally, local builders and customers are invited to visit the Wythe Windows San Antonio showroom, which will be open for drop-ins during the show. Wythe Windows is also hosting a gathering for attendees from the show, to receive event information, please contact .
To learn more about Wythe Windows or to experience the latest high-performance innovations for yourself, visit .
About Wythe Windows
is a visionary manufacturer of high-performance tilt-turn windows and doors engineered for superior energy efficiency, durability, and contemporary design. Founded in 2017 by building industry leaders, the company specializes in Passive House-certified solutions and next-generation building envelope systems, with a focus on scalable performance for both new construction and occupied retrofits. Manufactured in Ramsey, New Jersey, Wythe Windows' products are used in PHI- and PHIUS-certified projects ranging from affordable multifamily housing in New York City to private residences nationwide. For more information, please visit .
About ³§³¦³óü³¦´Ç
³§³¦³óü³¦´Ç – System solutions for windows, doors and façades
Based in Bielefeld, the ³§³¦³óü³¦´Ç Group develops and sells system solutions for the building envelope made from aluminium, steel and PVC-U. The product range includes window, door, façade, ventilation, security and sun shading systems as well as smart and networked solutions for residential and commercial projects. ³§³¦³óü³¦´Ç also offers consultation and digital solutions for all phases of a building project – from the initial idea, design, fabrication and installation all the way through to the after-sales service including maintenance and servicing. Fabrication machinery and excellent customer service complement the product range. Founded in 1951, ³§³¦³óü³¦´Ç is now active in more than 90 countries and achieved a turnover of 2.06 billion euros in 2025 with 6750 employees.
³§³¦³óü³¦´Ç Polymer Technologies KG, a 100% subsidiary of ³§³¦³óü³¦´Ç International KG, is a trusted and reliable partner in over 50 countries for PVC fabricators, building components suppliers, architects, housing associations, investors and building owners. As a technology leader, it develops, manufactures and supplies high-quality, sustainable system solutions for UPVC windows, doors and sliding doors. Whether for residential or commercial construction, new builds or refurbishments: ³§³¦³óü³¦´Ç Polymer Technologies supplies products for efficient building envelopes that meet the highest standards of energy efficiency, security, comfort and design.
Media Contact
Kathy Berardi, Wythe Windows, 1 6786444122, [email protected],
SOURCE Wythe Windows
Share this article