Certifications & Test Reports
Over 50 USA & EU fenestration certifications and test reports.

If you're looking for a window solution that combines functionality, style, and convenience, twist and tilt windows might be the answer. These innovative windows offer a unique design that allows for easy cleaning, improved ventilation, and increased energy efficiency. In this blog post, we will explore the benefits of twist and tilt windows and why they are becoming increasingly popular among homeowners.
One of the primary advantages of twist and tilt windows is their ability to provide enhanced ventilation. Unlike traditional windows, twist and tilt windows have two distinct opening options. When twisted horizontally, the window opens at the top, allowing fresh air to enter the room while maintaining security. This feature is particularly useful during rain or when you want to remove stale air without fully opening the window.
Keeping your windows clean can be a chore, especially if they are difficult to access. Twist and tilt windows solve this problem with their practical design. When tilted vertically, these windows provide easy access to both the interior and exterior surfaces, making cleaning a breeze. No more struggling to reach the corners or hiring professional window cleaners; twist and tilt windows offer a convenient solution.
In an era of increasing energy costs and environmental concerns, twist and tilt windows have gained popularity due to their energy-efficient properties. The design of these windows includes weather seals and multi-chambered frames, which prevent drafts and reduce heat transfer. This results in improved insulation and reduced energy consumption, ultimately leading to lower utility bills and a more sustainable home.
Twist and tilt windows prioritize safety and security without compromising on style. The unique opening mechanism allows you to have full control over ventilation while keeping your home secure. By twisting the handle, you can lock the window in a slightly open position, preventing intruders from gaining easy access. Moreover, twist and tilt windows often come with additional security features like multi-point locking systems for added peace of mind.
Besides their functional benefits, twist and tilt windows are available in a variety of styles and finishes, allowing you to complement the architecture and decor of your home. Whether you prefer a modern or traditional look, twist and tilt windows can be customized to suit your taste. The sleek and clean lines of these windows add an elegant touch to any room, enhancing both its functionality and aesthetics.
Twist and tilt windows provide a practical and stylish solution for homeowners looking to enhance their living spaces. With their versatility, ease of cleaning, energy efficiency, enhanced ventilation, and advanced security features, these windows have become a popular choice. Transform your home with twist and tilt windows and enjoy the benefits they offer in terms of functionality, convenience, and aesthetics.
twist and tilt windowsWith Doorwin, you can have all of this with a simple move. This is because we believe that the best way to achieve your goals is by working with
our customers to find solutions to their problems.Our team of designers and engineers are dedicated to solving these problems by creating
products that are designed to be easy to install, easy to maintain and repair, while being cost-effective.
Over 50 USA & EU fenestration certifications and test reports.
TPS glazing ensures that no air leakage and fogging issues for 25 years warranty.
More than 4000 high-end bespoke fenestration projects in North America.
Doorwin products meanwhile with half price compared with your local dealers.
Our team of experts will work with you to develop a bespoke plan that fits your needs. We take a holistic approach to the planning process, combining our technical expertise with our knowledge of customer requirements and project constraints.
Doorwin is the manufacturer of full custom fenestration systems, and we're here for you. We provide you with the freedom to design your windows, doors, and more with no additional charge for special shapes, hardware styles, and color choices. Your vision is our inspiration; our job is to make it a reality.
Our products are made to pass your local inspector's verification and are built under USA building codes so you can rest assured that they are safe and sturdy. Choose Doorwin to experience the best bespoke fenestration service available today!
We take care of the entire process for you, from beginning to end. We have our own expertise and will provide free-charge design development & contract documentation with CAD and BIM drawings. In addition to elevation details and installation design, we will double-check that the products match the drawings and project specifications through video or pictures. We'll help you specify the delivery schedule and logistics service whilst keeping costs to a minimum.
We're proud to be one of the top exporters of windows and doors to the United States. We pack each window individually and in four layers, and finally into wooden boxes with non-fumigation, and at the same time, there will be a lot of shockproof measures in the container to protect your items. We ensure that your products will arrive at the sites in good condition after long-distance transportation.
Doorwin has been exporting tens of millions of dollars of windows and doors to the U.S. every year, and we know that improper packaging can cause breakage of the product when it arrives on site. What the client concerns, we concern most.
Doorwin experts are experienced in working with architects, builders and homeowners to ensre your vision becomes a reality.Welcome to visit a showroom, ask questions about product pricing, request a quote and more.
We are tested by the following standards:
-NFRC (North American Fenestration Rating Council)
-AAMA (American Architectural Manufacturers Association)
-WNMA (Wood National Monument Association)
-CSA101 (Canadian Standards Association)
-I.S.2 (International Standard ISO/IEC 17025)
-A440-11 (Standard for Fire Testing of Door Assemblies for Charging Rooms)
Doorwin is a company that specializes in custom-made doors and windows. We understand that every home is unique, and we are committed to providing you with the highest quality products possible.Our products are inspired by different lifestyles, and we respect your vision when designing them. Our designs are made specifically for you, so there is no additional cost. We work across styles and profiles, whether you're remodeling an old house or designing your new dream home. Find inspirations here and we will fulfill all your imaginations.