The Top 25 Double Glazed Window Manufacturers

Here are the top five double-glazed window manufacturers. Use this digest to find the best windows for your home.

There are a few key things to look for when choosing a double-glazed window manufacturer. Firstly, they should be a leading manufacturer of high-quality and energy-efficient windows.

Secondly, they should have a wide range of products made from different materials, so that you can find the perfect window or door for your needs.

Finally, they should offer excellent customer service and support in case you have any questions or problems.

Use this digest to find the best double-glazed windows.

Zola

Manufacturer: zolawindows.com

Zola Windows is a leading manufacturer of high-quality, energy-efficient windows and doors. The company offers a wide range of window and door products in a variety of materials, including aluminum, uPVC, wood, and clad wood.

Zola also offers a variety of customization options to suit the specific needs of each customer. In addition to its extensive product line, Zola also provides excellent customer service and support.

The company’s headquarters are located in Colorado.

Carey Glass

Manufacturer: careyglass.com

Contact phone: 917 979 6135

Types of windows: Carey Glass produces a variety of windows, including insulated glass windows, which start at around $100 per window.

Carey Glass is a company that specializes in the production of high-quality windows. Their windows are made from a variety of materials, including insulated glass, and are designed to be both aesthetically pleasing and functional.

The company offers a wide range of warranty options on their products, and their headquarters are located in Dublin, Ireland.

Neuffer

Manufacturer: neuffer-windows.com

Types of windows: The company makes a variety of double glazed windows, including casement, awning, hung, and sliding windows. Prices vary depending on the type of window, frame, and glass options, but start at around $200 per window.

This company makes double glazed windows with a variety of frame and glass options. The windows are made with either argon or krypton gas for insulation, and the company offers a variety of security, privacy, and energy efficiency features.

The company is headquartered in Germany and has a wide network of dealers and installers around the world.

Alpen High Performance Products

Manufacturer: thinkalpen.com

Types of windows: Alpen HPP offers a variety of window types to suit any need, including single- and double-hung windows, casement windows, awning windows, and sliding windows. Prices vary depending on the type of window and the specific specifications, but start at around $300 per window.

Alpen High Performance Products is a window manufacturer based in Louisville, Colorado that specializes in super-insulating, thermally efficient windows and architectural glass. The company has been in business for over three decades and uses lightweight, suspended-film technology in all of its products.

AlpenGlass™ super-insulating units are used throughout Alpen HPP residential and commercial window and door products and AlpenGlass architectural glazing solutions. The exceptional thermal performance of Alpen HPP window and glazing solutions grants the freedom to design with maximum glass across all building types and climate zones.

Alpen HPP units provide a powerful combination of optimum solar control which blocks summer heat, retaining winter warmth, eliminating harmful ultraviolet rays, and maximizing natural daylight and clarity. In addition, all of Alpen HPP’s windows come with a warranty for peace of mind.

Fenesta

Manufacturer: fenesta.com

Types of windows: Fenesta offers a variety of windows, including casement windows, sliding windows, and bay windows. Prices vary depending on the type of window, but start at around $100 per window.

Fenesta is a uPVC windows manufacturer that offers windows that come with a number of benefits. They require very less maintenance, are tough, durable, resistant to corrosion and rot, fire-retardant, offer thermal insulation, and help keep noise and pollution at bay.

Fenesta uPVC windows are also recyclable and offer a much better option than the conventional designs. The company uses high-quality materials for their windows and doors, ensuring that their products are long-lasting and durable.

Fenesta also offers a number of warranty options for their products, so you can be sure that your investment is protected. Fenesta’s headquarters are located in India.

GreenMatch

Manufacturer: greenmatch.co.uk

Types of windows: This company offers a variety of uPVC windows, including casement, sash, and tilt and turn. Prices vary depending on the type of window, but start at around £200 per window.

This company is a leading manufacturer and supplier of uPVC windows in the UK. They use high-quality materials and have a team of experts that can help you choose the right window for your home.

They offer a variety of warranties, so you can be sure that your investment is protected.

VEKA

Manufacturer: vekauk.com

Types of windows:

• PVCU windows – £100 per window
• Doors – £200 per door
• Conservatory systems – £3,000 per system

This company manufactures PVCU windows and doors, as well as conservatory systems. They have a wide range of products that meet British standards and come with a ten year guarantee.

The company is headquartered in Burnley, Lancashire, England and has over 360 employees.

AIS Windows

Manufacturer: aiswindows.com

Contact phone: 800 103 4805

Types of windows:

• Casement windows: $100-$200
• Sliding windows: $200-$300
• Bay windows: $300-$400

AIS Windows is a uPVC window manufacturer based in India that offers a range of windows styles, each highly secure and almost maintenance-free. The company sources its long-lasting window glass from its parent company, AIS Glass, which has three decades of experience building durable materials.

uPVC windows are available in a range of customizable options designed primarily for homes, offices, and apartments. At AIS Windows, the team mixes art and science to produce visually appealing uPVC windows designs with high functionality and structural design thinking while using sturdy material.

The company’s local experts live and work across India. If you’re looking for new windows, doors or a conservatory for your new house or for revamping your existing property, our local team will extend its help with your project and provide the level of expertise, care, and attention you would expect from a national company.

In addition to conventional functions like protection from the environment, daylighting, and aesthetics, our uPVC windows also cater to other functionalities like safety

Cambridge Windows

Manufacturer: camdengroup.co.uk

Types of windows:

• UPVC windows: starting at $100 per window
• Doors: starting at $200 per door
• Glass: starting at $10 per square foot
• Extrusion & foiling: starting at $50 per square foot

This company manufactures UPVC windows, doors, glass, and extrusion & foiling. They use 80% recycled content in their products and have a 15 year guarantee.

Their headquarters are located in the United Kingdom.

Rylock Windows & Doors

Manufacturer: rylock.com.au

Types of windows: Rylock produces a variety of double-glazed windows, including solar control glazing and frame conductivity windows. Prices for double-glazed windows start at around $300 per window.

Rylock is a high-performance, aluminium windows and doors manufacturer that specializes in double-glazed windows to maximize efficiency and comfort. Based in Australia, Rylock uses quality local materials and produces each product with consideration towards your local climatic conditions.

With a focus on double glazing, solar control glazing and frame conductivity, Rylock is dedicated to providing energy efficient solutions for your home.

Scotia Windows & Doors

Manufacturer: scotiawindowsanddoors.co.uk

Types of windows:

• Casement windows: starting at £200 per window
• Tilt and turn windows: starting at £250 per window
• Fully reversible windows: starting at £300 per window
• Vertical slider windows: starting at £350 per window

This company manufactures, supplies, and installs high-quality double and triple glazed windows made of u-PVC and aluminum. They have a wide variety of styles to choose from, including casements, tilt and turns, fully reversible, and vertical sliders.

They also offer a range of doors, including entrance doors, uPVC doors, French doors, patio doors, and bifolds. In addition to their standard products, they also offer composite doors.

All of their products come with a warranty for peace of mind. Their headquarters are located in Kilmarnock in the United Kingdom.

Dunraven Windows

Manufacturer: dunravenwindows.com

Contact phone: 800 975 9222

Types of windows:

• uPVC windows: starting at £100 per window
• Composite windows: starting at £200 per window
• Aluminium windows: starting at £300 per window

Dunraven Windows is a double glazing company based in Bridgend, Wales. The company manufactures its products in-house and offers a wide range of windows, doors, conservatories, and replacement roofs.

Dunraven Windows’ products are made from uPVC, composite, and aluminium materials and the company offers a variety of warranty options.

Kavitha Glass House

Manufacturer: dir.indiamart.com

Contact phone: 221 521-1000

Types of windows:

• Double glazed windows with aluminum frames
• Double glazed windows with glass

This company manufactures double glazed windows using aluminum frames and glass. They have a variety of colors and designs to choose from, and their products come with a warranty.

Their headquarters are located in Hyderabad, India.

CWG Choices

Manufacturer: cwgchoices.com

Types of windows:

• PVCU windows: starting at £100 per window
• Aluminum windows: starting at £120 per window
• Timber windows: starting at £140 per window
• Alu-clad windows: starting at £160 per window

This company makes high quality energy efficient windows and doors. They use PVCU, aluminum, timber, and alu-clad materials.

They have a 10 year guarantee on their products. Their headquarters are located in the UK.

Double Glazed Windows and Doors Pty. Ltd.

Manufacturer: doubleglazedwindows.net.au

Types of windows: The company makes a variety of windows, including double-glazed windows. Prices for double-glazed windows start at around $100 per window.

Milgard

Manufacturer: milgard.com

Types of windows: Milgard offers a wide variety of window styles, including single-hung, double-hung, casement, awning, and sliding windows. Prices vary depending on the style and material of the window, but start at around $200 per window.

Milgard Windows and Doors is a leading manufacturer of windows and doors, with headquarters in Tualatin, Oregon. The company offers a wide variety of window styles and materials, including fiberglass, vinyl, and aluminum.

Milgard also offers a variety of warranties on their products, making them a trusted choice for homeowners looking for replacement windows or new construction projects.

McIlhatton & Co

Manufacturer: mcilhattons.com

Types of windows: The company manufactures double glazed units, PVC-U windows, doors and conservatories. Prices for these products vary depending on the size and style of the window.

This company manufactures double glazed units and PVC-U windows, doors and conservatories. All products are made to British Standards and the company offers a 20 year guarantee.

The company is located in Ballymoney, Co. Antrim in Northern Ireland.

George Buildings

Manufacturer: georgebuildings.com

Types of windows: George Buildings offers a wide range of window types, including single-hung, double-hung, casement, awning, and bay windows. Prices vary depending on the type of window and the level of customization, but start at around $250 per window.

George Buildings is a French window manufacturer that produces windows made from advanced frame materials. The company is located in George, South Africa and offers a wide range of customization options for their windows.

They also have a comprehensive warranty program.

SGM Window Manufacturing Limited

Manufacturer: sgmwindows.co.uk

Types of windows:

• PVCu windows: starting at £100 per window
• Aluminium windows: starting at £120 per window
• Conservatories: starting at £3,000

SGM Window Manufacturing Limited is a specialist in the manufacture and supply of windows, doors and conservatories. They use PVCu and aluminium in their products and offer a variety of options for warranties.

Their headquarters are located in Basildon, Essex.

Liniar

Manufacturer: liniar.co.uk

Types of windows:

• Double-glazed windows: £100-£200 per window
• Lead-free, recyclable uPVC windows: £50-£100 per window

This company makes a variety of windows, including double-glazed windows. They use lead-free, recyclable uPVC for their products.

Their products are guaranteed, and they have a factory in Derbyshire, England.

Prestige Plus

Manufacturer: prestigeplus.sydney

Types of windows:

• Tilt and slide windows: $200-$300
• Tilt and turn windows: $250-$350
• Sliding windows: $300-$400
• Awning windows: $350-$450
• Fixed windows: $400-$500
• Bi-fold windows: $450-$550
• Soundproof windows: $500-$600
• Bay windows: $600-$700
• Bathroom windows: $700-$800
• Laundry

PrestigePlus Windows and Doors is a supplier of double glazed windows and doors. The company is headquartered in Sydney, Australia, with showrooms in the Northern Beaches, Eastern Suburbs, and Albion Park Rail.

The company offers a range of window types including tilt and slide, tilt and turn, sliding, awning, fixed, bi-fold, soundproof, bay, bathroom and laundry windows. They also offer a range of door types including double-glazed patio doors, double-glazed french doors, double-glazed back doors and double-glazed sliding doors.

All products come with a warranty for peace of mind.

MS Windows

Manufacturer: mswindows.co

Types of windows: This company makes double glazed windows and doors. Their products come in a variety of styles and prices.

This company specializes in double glazed windows and doors. They use high quality materials and their products come with a warranty.

Their headquarters are located in the United Kingdom.

Andrew Wright

Manufacturer: andrewwright.co.uk

Types of windows:

• Double hung windows: These windows have two sashes that move up and down independently. Prices start at $300 per window.

This company manufactures double glazed windows and doors. The windows are made of two layers of glass with a space in between, which is typically filled with air or argon gas.

This company offers a 10 year insurance backed guarantee for all products. The headquarters for this company are located in Irvine, Scotland.

The Milford Window Company

Manufacturer: themilfordwindowcompany.co.uk

Types of windows: The Milford Window Company offers a variety of window options, including PVCu, aluminium and Residence 9 windows. Prices will vary depending on the type of window and the size, but a rough estimate would be around £200-£300 per window.

The Milford Window Company is a local, family run business that has been installing windows, doors and conservatories in the Surrey area since 1999. They use PVCu, aluminium and Residence 9 materials for their products and offer a variety of warranty options.

Their headquarters are located in Milford, Surrey.

Just Doors UK

Manufacturer: justdoorsuk.com

Types of windows:

• Double glazed upvc windows: £100-£200 per window
• Double glazed timber windows: £200-£300 per window
• Double glazed aluminium windows: £300-£400 per window

This company offers replacement double glazed upvc windows. Their upvc window frames are BFRC rated and approved and comply with the latest building regulations.

The company is based in the UK and offers a 10 year guarantee on their products.

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