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

When it comes to improving the energy efficiency of your home, upgrading your windows is a wise investment. Vinyl casement replacement windows offer a modern and cost-effective solution for homeowners looking to enhance their home's energy efficiency. In this blog post, we will explore the benefits of vinyl casement replacement windows and how they can make a significant difference in your home's comfort and energy bills.
One of the key advantages of vinyl casement replacement windows is their superior insulation properties. The multi-chambered design of vinyl casement windows provides excellent thermal insulation, reducing heat transfer and enhancing the overall energy efficiency of your home. This improved insulation helps maintain a comfortable indoor temperature, regardless of the weather outside, leading to significant energy savings throughout the year.
Vinyl casement windows feature a unique design that allows for maximum ventilation and air circulation. The sash of the window can be opened up to 90 degrees, creating a large opening that lets in ample fresh air and natural light. This feature not only improves indoor air quality but also reduces the dependency on artificial cooling and lighting systems, further reducing your energy consumption.
Old, drafty windows can be a major source of energy loss in homes. Vinyl casement replacement windows are designed to combat this issue by providing a tight seal when closed. This reduces air leakage and prevents unwanted drafts, ensuring a more consistent indoor temperature and reducing the workload on your heating and cooling systems. By minimizing energy loss, vinyl casement windows help you achieve a more sustainable and energy-efficient home.
Living in a noisy neighborhood or near a busy road can significantly impact your comfort at home. Vinyl casement windows offer excellent noise reduction capabilities, helping to create a peaceful and quiet environment indoors. The combination of the double or triple-pane glass and airtight seal minimizes outdoor noise, allowing you to enjoy a serene living space without the disturbances from outside.
Unlike traditional wood windows that require regular painting and maintenance, vinyl casement replacement windows are incredibly low maintenance. The durable vinyl frames are resistant to rot, decay, and warping, making them a long-lasting and hassle-free option for homeowners. A simple cleaning routine is all that is needed to keep your vinyl casement windows looking their best, allowing you to save time and money on maintenance tasks.
Investing in vinyl casement replacement windows can lead to long-term cost savings. With their energy-efficient features, you can expect a noticeable reduction in your heating and cooling costs. Additionally, the low maintenance requirements mean you won't have to spend money on regular upkeep. Over time, these savings can add up, making vinyl casement replacement windows a cost-effective choice for homeowners.
Vinyl casement replacement windows offer numerous benefits when it comes to enhancing your home's energy efficiency. From improved insulation and air circulation to noise reduction and cost savings, these windows are a valuable investment for any homeowner. Consider upgrading to vinyl casement windows to enjoy a more energy-efficient and comfortable living space that will stand the test of time.
vinyl casement replacement 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.