Certified Commercial Manufacturer Program


Our commercial window and door manufacturer program promotes teamwork and communication among our channel partners with the goal of allowing all of us to enjoy greater business success.

Being a member of the REHAU Certified Commercial Manufacturer team is an exclusive privilege extended only to REHAU commercial window and door manufacturers.

REHAU Certified Commercial Manufacturer program encourages all aspects of your business growth through technical, sales, marketing, project, and design and testing support.

Technical support

Getting your operation up and running right from the start is a crucial first step and can be quite challenging. Not with us! Our technical team knows every aspect of vinyl window and door manufacturing inside and out. And we are happy to share our knowledge and experience with our customers.

Sales and marketing support

Our sales managers coordinate any of your questions or concerns with the respective REHAU contacts, whether it’s related to engineering, production, testing, marketing or anything else. With the expertise of our team, none of your problems will go unanswered. With REHAU marketing support, you will be building and improving your brand. We will help your company improve its credibility and provide your sales force with the right support materials to win new business. All communication tools are customized to your needs. Nothing is standard when it comes to our marketing efforts.

Engineering, design, and testing support

Our design, engineering and testing group is continuously looking to improve and enhance our systems and designs. Also, with our product certification assistance and experience, you are in good hands. We give you access to the work we have already done. Our team spends a great deal of time making sure that our products are the best they can be and that they can and are being applied correctly in the field.

Project support

As part of our commercial support, our team develops and organizes solutions for commercial projects. This comprises many different aspects: support with submittal package preparation, shop drawing assistance, and system and assembly drawings – just to name a few.

REHAU's Certified Commercial Manufacturers


303-834-3600 I www.thinkalpen.com


Kohltec Windows & Entrance Systems

902-662-3100 x161 I https://www.kohltech.com/


A1 Windows

604-777-8000 I www.a1windows.ca


Minnkota Windows

701-282-7025 I www.minnkotawindows.com


Crystal Windows & Doors - NE

718-961-7300 I www.crystalwindows.com


Prime Window Systems

707-980-3303 / 303-375-1979 I www.primewindowsys.com


Crystal Windows & Doors - Mid Atlantic - PA Plant

570-276-8000 I www.crystalwindows.com


Starr Windows & Doors

516-860-8609 I www.starrwin.com


Crystal Window & Door Systems - Mid West

314-607-8776 I www.crystalwindows.com


Stergis Windows and Doors

508-455-0661 I www.stergis.com


Euro Vinyl Windows & Doors

613-628-3056 I www.evw.ca


Thomas Windows

908-810-0030 I www.tmiwindows.com



1.800.337.8604 I www.euroline-windows.com/



604-776-0898 I https://www.wintegra.ca


Certified Commercial Manufactures are independent contractors and do not act on behalf of the company. In no event is the company liable for the acts or omissions of our partners or Certified Commercial Manufactures

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