Casement windows are among the most popular window types today. With their unique build and sturdy frames, these windows offer longevity and aesthetic appeal, fitting pretty much every building style you have.
Like every other architectural fitting out there, casement windows come in different forms and are made by different manufacturers. If you’re looking to get any of these windows anytime, we’ve outlined a list of the companies that make the best casement windows in the market at the moment.
Comparison Table of the Best Casement Window Manufacturers
Before we get into the list of casement window brands, let’s check out a quick table that highlights the best based on specific metrics:
Metric | Best Choice | 2nd Best Choice |
Material Variety | DERCHI Windows & Doors | Milgard Windows & Doors |
Energy Efficiency | Harvey Windows + Doors | DERCHI Windows & Doors |
Available Warranty Options | DERCHI Windows & Doors | Marvin |
Aftersales Services | DERCHI Windows & Doors | Kolbe Windows & Doors |
Sustainability | Pella Windows & Doors | Jeld-Wen Windows & Doors |
Global Reach | Alside | DERCHI Windows & Doors |
The Top Manufacturers of Casement Windows Today
Now, let’s dive into the main part of the article - examining the top window manufacturers in the market for anyone looking to get casement windows.
1. DERCHI Windows & Doors
Location: Foshan, Guangdong, China
Company Type: Manufacturer
Years in Operation: 25+
Number of Employees: 600+
Main Products: Doors, Windows, Sunrooms, Custom Building Products
DERCHI Windows & Doors is undoubtedly one of the world’s leading manufacturers of building materials. As such, it should come as no surprise that the company leads our list of top casement window brands.
Based in Guangdong, China, DERCHI provides a broad range of casement windows, allowing them to meet the needs of different customer segments. No matter where your building will be located, rest assured that they’ve got something for you. From traditional casement windows to the more custom options that fit your building’s exact specifications, they’re a reliable manufacturer and supplier.
DERCHI’s China factory currently has a production capacity of over 300,000 square meters. The company produces over 100 pieces of equipment, serving over 10,000 satisfied clients since its inception.
In terms of its most prominent products, DERCHI has the S63 Top Hung Awning Casement Aluminum Window, which offers a waterproof, anti-theft window that complements your building. The product offers 100% thermal insulation, as well as a windproof and soundproof build that protects everyone in your building from external disturbance.
You can also check out the R8Y Outward Casement Windows, which offer optimal ventilation and are versatile enough to fit just about any building style or weather condition.
Both products come with the CE / NFRC / CSA Standard Certification, as well as the US/ AU IGCC Standard Glass Certification. However, where DERCHI really shines is the company’s ability to provide custom window options. So, if you want something more bespoke and tailored to your needs - whatever they are - DERCHI is the company to call.
Away from these, DERCHI also thrives when it comes to design innovation. The company’s casement windows include a vertical isotherm design, which helps to form an effective cold and hot barrier that reduces heat transfer and optimizes insulation. Built-in diamond mech crimping will bolster the windows’ compression resistance while the addition of a water swellable strip will ensure proper waterproofing and eliminate the risk of leakage.
Wherever you are in the world, DERCHI Windows & Doors can get to you. All you have to do is reach out to them with your needs and your location, and they’ll have a team get in touch ith you to work out the logistics and additional aftersales services that you might need.
2. Pella Windows & Doors
Location: Pella, Iowa, USA
Company Type: Manufacturer
Years in Operation: 100
Number of Employees: 10,000+
Main Products: Doors, Windows, Building Consultation
Founded in 1925, Pella Windows & Doors is another company that has solidified its place among the top window manufacturers in the world.
While you can find some of the best casement windows at Pella, the truth is that the company offers much more than these. With Pella, you have a company that can serve as your partner throughout the building process.
What sets Pella apart is the company’s building consultation services. Besides some quality products, you can also contact them for advice and education as you embark on your building project.
Today, Pella has over 18 manufacturing locations and 200 showrooms in the United States alone. This shows that they have the scale and resources to easily cater to your needs, whatever they may be.
3. Marvin
Location: Warroad, Minnesota, USA
Company Type: Manufacturer
Years in Operation: 113
Number of Employees: 1,000+
Main Products: Doors, Windows, Product Design & Replacement Services
Marvin was founded in 1912 as a family-owned and -led cedar and lumber company. Today, the company is recognized as a maker of some of the best casement windows in the world.
Amongst many other things, Marvin is known for its focus on sustainability. The company develops top-of-the-line energy-efficient windows, which allow you to make better use of your natural environment while also helping you to cut down on your utility bills.
Marvin’s casement windows come in different sizes and configurations, allowing you to have your pick of the litter. Whether you’d like vinyl casement windows or even high-performance casement windows that can withstand heavy use, you know you can count on them.
4. Milgard Windows & Doors
Location: Tacoma, Washington, USA
Company Type: Manufacturing
Years in Operation: 63
Number of Employees: 1,000-1,500
Main Products: Windows, Patio Doors, Project Planning Services
Another of the top casement window manufacturers in the USA, Milgard is a company that needs no introduction. The company has come a long way from its humble roots in Washington, and today, it has its products across showrooms all over the United States and even Canada.
As for casement windows, you can check out Milgard’s broad range of products, moving from the V450 HomeMaker Series to the A250 and even the V250 Style Line Series®. Each of these windows is constructed with a variety of materials, so whether you’re looking for top-notch vinyl casement windows or windows made in some other material, you can always count on Milgrad to have your back.
5. JELD-WEN Windows & Doors
Location: Charlotte, North Carolina, USA
Company Type: Manufacturer
Years in Operation: 65
Number of Employees: 20,000+
Main Products: Windows, Doors, and Millwork
As one of the top casement window manufacturers in the USA, Jeld-Wen understands the importance of variety. For this reason, the company provides one of the most sprawling collections of casement windows in the market today.
Most prominent amongst its windows is the Siteline® Clad-Wood window, which is a wood casement window that is built to optimize intricate details and energy efficiency. The Brickmould Vinyl casement window is also popular in Jeld-Wen’s product line, thanks to its ability to combine simplicity and maximum ventilation. The window is hinged on either side, meaning that its sash opens outward either to the right or left.
6. Kolbe Windows & Doors
Location: Wausau, Wisconsin, USA
Company Type: Manufacturing
Years in Operation: 79
Number of Employees: 1,000+
Main Products: Windows, Doors, and Curtain Walls
Still considering the top casement window manufacturers in the USA, we have Kolbe Windows & Doors. While the company focuses more on making products for luxury homes and commercial buildings, Kolbe caters to a broad range of customers, and the variance in the company’s products shows this quite well.
From the VistaLuxe WD Line to the Ultra Series and more, Kolbe shines in combining aesthetic appeal and functionality in a way that not many other casement window brands can. The company’s products are energy-efficient, capable of opening from the side and securing a tight fit to their frames.
Plus, with Kolbe, you can choose between push-out casement windows, crank-out options, or even inswing casement windows.
7. Harvey Windows + Doors
Location: Londonderry, New Hampshire
Company Type: Manufacturing
Years in Operation: 64
Number of Employees: 1,000+
Main Products: Windows, Doors
Harvey Windows+ Doors is a subsidiary of Harvey Building Products - a holding company that focuses on manufacturing building materials of all types. Today, the company is a part of family entities whose footprint covers over half of the United States.
As its name suggests, this company focuses more on windows and doors. And when it comes to casement windows, you can rest assured that Harvey has all you need. Whether you want a fiberglass casement window or something made of high-quality wood, Harvey Windows + Doors provides custom casement window options that easily transform your home.
All of Harvey’s products are backed by industry-leading warranties, with enough performance and aesthetic appeal to help you transform your home into exactly what you want it to be.
8. Weather Shield Windows & Doors
Location: Medford, Wisconsin, USA
Company Type: Manufacturing
Years in Operation: 70
Number of Employees: 500+
Main Products: Windows, Doors, Replacement Services
Weather Shield Windows & Doors focuses on providing innovative, flexible products that fit into whatever you’re looking for. The company claims to offer more shapes, sizes, and styles than anyone else, and for decades, they’ve catered to customers of all types.
The company also has a major focus on sustainability, with its products being made with eco-friendly materials and an adherence to industry standards on environmental friendliness.
9. Sierra Pacific Windows
Location: Red Bluff, California, USA
Company Type: Manufacturing
Years in Operation: 125
Number of Employees: 500+
Main Products: Windows, Doors, Wall Systems
A member of Sierra Pacific Industries, Sierra Pacific Windows is a company with over a century of experience. It has grown into a household name, with its products being installed in over 30 countries worldwide.
Sierra focuses on both residential and light commercial projects, and it supports a network of over 600 dealers, distributors, and company stores in the United States alone. With this scale, the company easily caters to customers’ needs, especially with reliable casement windows.
10. Alside
Location: Cuyahoga Falls, Ohio, USA
Company Type: Manufacturing
Years in Operation: 78
Number of Employees: 1,000+
Main Products: Windows, Doors, Siding
Founded in 1947, Alside currently has an assortment of casement windows in different materials. Its Mezzo, Sheffield, and Ultramaxx Series are its most prominent, with most of them featuring vinyl casement windows that fit into whatever budget you might have.
Alside also offers limited warranties on its products, allowing you to get more value for your money in the long run.
Wrap Up
If you’re looking to get the best casement windows in the industry, there is no doubt that these companies will be able to meet your needs.
However, with its sprawling network and pedigree in the industry, we’d recommend working with DERCHI Windows & Doors. The company’s focus on quality and reliability means that you will get a bespoke product that can easily stand the test of time.
