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

Are you tired of living in dimly lit spaces? A simple solution could be right at your fingertips-or rather, right at your windowsill. By installing a 3ft x 5ft window, you can revolutionize the ambiance of any room by inviting the beauty of natural light to permeate your living space. Natural light not only enhances the visual appeal of a room, but it also has numerous benefits for your physical and mental well-being.
1. Health Benefits:
Exposure to natural light helps regulate the body's circadian rhythm, which is essential for maintaining a healthy sleep-wake cycle. It also stimulates the production of Vitamin D, improving bone density and strengthening the immune system. Natural light has been shown to decrease the risk of respiratory problems, increase productivity, and improve overall mood.
2. Aesthetic Benefits:
Nothing can quite compare to the enchanting beauty of natural light streaming through a window. It adds depth, warmth, and a touch of magic to any space. From illuminating vibrant colors to creating captivating shadow patterns, natural light can transform your room into a work of art.
1. Window Treatments:
To maximize the amount of natural light entering your room, opt for sheer curtains or blinds that can be easily drawn back during the day. This will ensure that your space is flooded with as much sunlight as possible.
2. Mirrors and Reflective Surfaces:
Strategically placing mirrors and reflective surfaces across from windows can amplify the natural light by bouncing it off the surfaces and into otherwise darker areas of the room. This simple trick can make a small space appear larger and more inviting.
By incorporating a 3ft x 5ft window into your living space, you open up a world of possibilities. Whether it's transforming a gloomy corner into a cozy reading nook bathed in sunlight or turning an ordinary bathroom into a serene spa-like oasis, natural light can breathe new life into your surroundings.
As you revel in the joy of natural light, you'll find yourself energized and inspired. You might notice your productivity soar, creativity flourish, and overall well-being improve. So why wait any longer? Take the leap and install a 3ft x 5ft window to harness the power of natural light.
3ft x 5ft windowWith 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.