Investing in energy efficient windows is more important than ever before. With high energy prices and more people working from home, creating a comfortable living and working environment without a dramatic increase in energy costs is essential.
We are proud of our 90+ year history. To ensure that we provide our customers with high-performance windows and doors, each product is carefully crafted, using only quality materials and components. This is the reason why the Internorm timber-aluminium and uPVC-aluminium composite windows are some of the best windows on the market, and the preferred choice for low energy and homes built to Passivhaus standard.
Discover how other Internorm customers created their dream selfbuild or renovation, and what difference Internorm windows have made to their lives in one of these insightful case studies, such as this stunning Edwardian home renovation below.
What are the advantages of Energy-Efficient Triple Glazing?
Energy-efficient triple glazed windows and doors offer numerous advantages, making it an ideal choice for modern homes and sustainable buildings. Its three panes of glass, separated by insulating gas-filled layers, significantly reduce heat loss, improve thermal insulation, and enhance U-values (thermal insulation) compared to double glazing.
Triple glazing also minimises drafts, increases airtightness, and improves soundproofing as well as security, creating a more comfortable, quiet, and secure home. Additionally, it helps lower energy bills and carbon footprint, making it a smart, eco-friendly investment for long-term energy savings.
Internorm offers the most comprehensive range of energy-efficient windows and doors. All are triple glazed as standard and include many innovative features that have been developed over the past decades. With a huge choice of colours, finishes and accessories available, there is an Internorm window for every type of project:
uPVC-Aluminium Composite Windows
Our uPVC aluminium hybrid style windows offer premium quality and highest performance. Add weather-resistant aluminum cladding on the outside in any colour, as well as a choice of foil finish or the new Internorm I-tec Decor digital print finishes, you can match your windows to your particular requirements and interior design.
uPVC Windows
These are not just your average uPVC windows. Internorm extrudes its own profiles using a carefully balanced, lead-free mix, to ensure highest quality and consistency. Our uPVC and alu-clad uPVC windows include around 20% recycled material from manufacturing waste generated within two of our factories and are highly insulated. These energy efficient windows are the ideal cost-effective choice for all types of homes.
Timber-Aluminium Composite Windows
These premium windows are simply stunning! Warm, natural timber, available in beautiful oak, spruce, larch and walnut on the inside, combined with powder-coated aluminium cladding on the outside, make this window range the natural choice for many of our customers. With outstanding thermal performance, style and choice, Internorm timber-aluminium windows, French Doors, as well as large lift & slide doors and XL panorama glazing, are the ideal solution for any type of project, from barn conversations to grand design self builds.
Windows for Passive House and EnerPHit Projects
Here at Internorm, we are proud that our high performance windows are frequently used for Passive House projects. Windows play a critical role in achieving energy efficiency for Passive House and EnerPHit-certified buildings. High-performance windows with triple glazing, low U-values, and advanced airtightness are essential for minimising heat loss and maximising thermal comfort. By optimising solar gain and reducing energy demand, these windows contribute to lower heating and cooling costs while ensuring a sustainable, eco-friendly solution. Proper installation and compatibility with Passive House standards are key to unlocking their full potential, helping homeowners and renovators meet stringent energy efficiency goals.
Whether you are aiming high and want to get your project certified, or just want to incorporate the Passive House principles to create an energy-efficient home, Internorm triple glazed windows and doors will help you achieve your goal.
Invest in Energy Efficient Windows from Internorm
Crafted from premium materials, we know that every household and home is unique – so we ensure that our products cater to all property styles, requirements, and individual tastes. The friendly teams at our Distribution Partners are passionate about working closely with customers, as well as architects, to ensures that the best and most suitable Internorm windows and doors are chosen for your project.
One final advice: Always invest in the best quality product for your budget to create an energy-efficient, comfortable and secure home.
Find your local Distribution Partner and make an appointment to visit their showroom. You will be amazed by the choice of styles, colours, finishes and accessories available.