passivhaus windows northern ireland

Passivehouse Windows

At Feneco Systems, we supply and install high-quality passivehouse windows for our customers throughout Lisburn and Northern Ireland. Get in touch with our team today to find out more.

At Feneco Systems, we supply and install high-quality passivehouse windows for our customers throughout Lisburn and Northern Ireland. Get in touch with our team today to find out more.

passive house windows lisburn

Industry-Leading Passivehouse Windows in Lisburn & Northern Ireland

Benefit your next property project with our industry leading Passivehouse Windows!

Enhance any home, flat or commercial building a home improvement solution that will deliver improved security, thermal performance and of course, style.

To find out more about how you can transform your Lisburn property, simply get it touch with us today!

Free Design Consultation
passivehouse windows northern ireland

What are Passivehouse Windows?

Passive house windows are the market-leading standard of windows, offering only the best quality and value for your money. These windows are Passivhaus certified. This means that they have been strictly tested for their energy efficiency. This results in a strong and safe window that will upgrade your property in Lisburn, keep you warmer for longer, and reduce your heating bills.  


Our partnership with Passive house offers an incredible upgrade in many forms. We can only provide the very best of the best for our valued customers. For any property developer or architect in Lisburn, Coleraine, Belfast, Carrickfergus, Maghera, Magherafelt, Limavady, Derry City, or the surrounding areas, our passive house windows are the perfect choices for your project. Benefit from an incredible upgrade for your property projects or clients, which will elevate your company and its reputation. 

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Benefits of Passivhouse Windows in Lisburn

Our Passivhaus windows have many features that make them the perfect choice for you and your project. Our windows have all been designed with super slim and smooth aesthetics, but they have also been manufactured to excel in energy efficiency, durability, and security, offering the best of both worlds. Having triple glazed windows will make your home more comfortable. It’s also easy to convey the impression of quality and style to your clients. No longer will you have to worry about cold drafts, as your passive house windows will keep you warm at all times. 

This will all improve the quality of life for your clients.


The windows will keep the rooms warm when needed, ensuring a consistently warm interior temperature. Make both your projects and clientele warm and comfortable with Feneco.

Our fantastic window designs have been precision engineered to be energy-efficient, qualifying for Passivhaus certification. For instance, they have triple-glazed windows with U-values as low as 0.8W/m2k. Your new Passivhaus windows will offer unbeatable thermal insulation after being installed within any property.


Your clients won’t need to rely on your heater as often, making their home more comfortable for longer periods. Therefore, homeowners can enjoy cheaper heating bills and a reduction in their carbon footprint.

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internorm passivhaus windows lisburn
passivhaus windows lisburn and northern ireland

Internorm Passivehouse Windows

As Internorm’s first partner in Northern Ireland, we are committed to offering Passivhaus windows that have been certified. We know how important it is for homeowners in Lisburn and Northern Ireland to feel comfortable and secure at home. Additionally, we know that there is a growing focus on positively impacting the environment, and with a Passivhaus window from Feneco, you’ll do just that. 


Internorm is a market-leading manufacturer of windows, and we are proud to be their partner. We ensure quality and value across all our products. Our professional team has been working with property developers and architects across Lisburn and Northern Ireland to install passive house windows. Our installations have gone perfectly and without any problems.


Benefit from a stress free and efficient service that will leave everyone happy. Benefit from our incredible range of products that will directly enhance the performance, security and style of any project it is installed upon.

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Passivehouse Windows by Feneco Systems

In Lisburn and Northern Ireland, passive house windows have proven to be the smart choice for any property project. Which is why we have chosen to work closely with Europe’s leading Passivhaus window manufacturer, Internorm. By installing Passive house triple glazed windows from Internorm, you’ll be investing in a durable and robust home improvement solution that will last for decades.

Our incredibly friendly team will be glad to answer any questions you have about our passive house window designs.  Transform any property located in Lisburn, Belfast, Carrickfergus, Maghera, Magherafelt, Limavady, Derry City, or the surrounding areas. We are more than happy to discuss your requirements and offer you advice about our unrivalled range of windows that are right for your project.

We look forward hearing from you! 

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internorm passive house windows lisburn nothern ireland

Passivehouse Windows Prices, Coleraine and Northern Ireland

If you’d like to find out more about our incredible passivehouse window designs, you can book a call with our team today. We will sit down with you to listen to your requirements and advise you on the best triple glazed windows for your home in Lisburn, Belfast, Carrickfergus, Maghera, Magherafelt, Limavady, Derry City or the surrounding areas. We look forward to helping you find the best passivehouse windows for your project soon.

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