Internorm uPVC-aluminium windows offer exceptional quality, weather tightness and thermal performance. uPVC-aluminium windows are a popular choice for properties across Ireland and Northern Ireland including Coleraine, Belfast, Carrickfergus, Maghera, Magherafelt, Limavady, and Derry City. Use our online contact form to book a free design consultation for our uPVC-aluminium windows or phone us to make an appointment at our showroom to view the product ranges.
Internorm uPVC-aluminium windows offer exceptional quality, weather tightness and thermal performance. uPVC-aluminium windows are a popular choice for properties across Ireland and Northern Ireland including Coleraine, Belfast, Carrickfergus, Maghera, Magherafelt, Limavady, and Derry City. Use our online contact form to book a free design consultation for our uPVC-aluminium windows or phone us to make an appointment at our showroom to view the product ranges.
Feneco Systems supply and install industry-leading Internorm windows for new build properties throughout Ireland and Northern Ireland. If you have a new build home project and are looking for passivehouse Internom Windows for your latest project. Get in touch with our team today. You can use our online contact form or give us a call to discuss your new build property in Ireland or Northern Ireland today.
Call a Member of Our Sales TeamThe aluminium clad outside our range of Internorm uPVC-aluminium window is much easier to care for than alternatives on the market due to specialised coatings and product quality. The corner formation of aluminium composite windows is elegant, blending into Northern Ireland, Belfast, North Coast architecture.
Once your new uPVC-aluminium windows have been installed into your home, there is no need for painting, staining or treating. Enjoy your new stress-free composite window installation for many years to come.
The combination of uPVC and aluminium means your home can achieve impressive thermal efficiency. Enjoy U-values as low as 0.6 W/m2K, in addition to the impressive sound reduction of up to 45 decibels. Save money on your energy bills with these windows, as you will rely less on central heating.
Call a Member of Our TeamAt Feneco, all our uPVC-aluminium windows are made according to your required size, style and individual requirements. Our customers have total control over how these Passive House windows look and perform. From the glazing, security and design, you can ensure these triple glazed windows perfectly suit your Northern Ireland and Coleraine home.
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,65
35 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,63
33 - 46
up to RC1N, RC2
Uw up to 0,79
38 - 44
up to RC1N, RC2
Uw up to 0,79
38 - 44
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
The KF 410 has a complete flush transition from sash to frame, completing this window as one unit. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.
With low U-values, it’s a cost efficient window option with compliant accreditations. Secured By Design and Lifetime Homes accreditations make them an ideal option for any home. Intelligent Internorm technology is integrated into this KF 410 style window system.
I-tec innovations such as I-tec Glazing and I-tec Ventilation ensure optimum stability, thermal insulation and security. These windows are controlled at the touch of a button, enabling simple and stress free operation of your window via smartphone or tablet.
Uw up to 0.62
34 - 45
Up to RC1N, RC2
KF 520 uPVC windows combine innovative design with advanced technology. This window meets the highest standards of burglary protection, with I-tec Secure and innovative locking systems.
Integrated flaps press on all sides into the frame interior when locking and thus ensure maximum burglary protection.
The sleek frame offers excellent thermal efficiency and sound reduction for maximum comfort. Optional built in ventilation can be added into the window frame with the I-tec Ventilation system. I-tec Glazing gives stability, thermal insulation, and security due to the all round bonding of the glass pane.
Uw up to 0,63
33 - 46
up to RC3, RC2
The traditional and sophisticated KF 310 has a sleek appearance alongside reliable technology. This range of windows is characterised by thermal insulation and impressive sound reduction values.
With a round bonded glass pane, the KF 310 is available in a large selection of colours, glazing and handles. They can also make the ideal addition to the balcony and patio doors, with integrated Juliet balcony.
I-tec glazing ensures excellent stability. The glass pane is glued all around the frame, ensuring superior levels of security and thermal insulation.
Uw up to 0,69
33 - 45
up to RC1N, RC2
The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.
This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.
Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.
Uw up to 0,65
35 - 45
up to RC1N, RC2
The FK 310 is a slim window with a construction depth of 74 mm. The rounded edges of sash and frame match design is elegant and cosy.
The strong aluminium cladding on the outside can be designed in many colours. The 6 chamber frame profile ensures superior levels of thermal insulation. Three continuous gaskets protect you home from the wet whilst improving thermal insulation and sound reduction.
I-tec Glazing, the continuous all round bonding of the glass pane, makes this style of window even more stable and boosts burglary protection
Uw up to 0,69
33 - 45
up to RC1N, RC2
The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.
This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.
Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.
Uw up to 0,65
35 - 45
up to RC1N, RC2
The KF 410 window offers sleek aesthetics with its 93mm construction depth and square edged frame design. This Passivhaus certified window demonstrates thermal insulation, with U-values as low as 0.62 W/m2k.
The KF 410 uPVC aluminium windows are entirely flush from sash to frame. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.
The KF 410 window is compliant with the top level accreditations of Secured by Design and Lifetime Homes, key “must have” attributes architects require. Internorm technology is integrated into this energy efficient window offering technological advances that make life easier.
Uw up to 0,62
34 - 45
up to RC1N, RC2
KF 520 meets the highest demands for burglary protection, thanks to its state of the art locking technology. The sleek frame offers superior levels thermal efficiency and sound reduction for maximum homeowner comfort. This model is also available in the flush mount Studio design, for an ultra modern aesthetic.
The KF 520 uPVC aluminium windows feature a fully integrated locking system, which renders levering of the window impossible. The window sash is not visible externally due to its glass appearance and can optically not be distinguished from fixed glazing.
Optional built in ventilation can be added into the frame with the I-tec Ventilation system. I-tec Glazing ensures excellent stability, thermal insulation, and security due to the all round bonding of the glass pane.
Uw up to 0,63
33 - 46
up to RC3, RC2
The KV 350 range of uPVC aluminium windows comes with advanced sun protection technology. Designed with market leading integral blinds, these window systems offer sun and privacy protection. This technology is integrated directly between the glass panes, keeping it protected from wind, dirt and bad weather.
This composite window range conveniently integrates blinds in between the glass panes, for maintenance free protect. Choose between the Home Pure square edged profile and the Ambiente rounded edged traditional design.
All Internorm integrated blinds can be powered by a self sufficient photovoltaic panel. This means that no external power source is needed thanks to I-tec Shading. The blinds can be operated with a control panel, remote control, and the I-tec SmartWindow mobile application. I-tec Glazing ensures excellent stability due to the all round bonding of the glass pane.
Uw up to 0.79
38 – 44 average
Secured by Design & PAS 24
The KV 440 window features integrated blind and advanced Internorm technology. The technology of I-tec Glazing ensures optimum stability as well as superior levels of thermal insulation and sound reduction.
This window features quadruple protection with the sun and privacy protection integrated into the window. The blinds are fitted between panes, protecting them from dirt. They can still be easily accessed to clean, as they feature Internorm Sun and Insect Protection technologies
The energy sufficient I-tec shading doesn’t need an external power source due to the photovoltaic module and batteries. Integrated automatic functions such as day/night recognition and intelligent overheating protection can be integrated.
Uw up to 0,64
39 - 45
up to RC1N, RC2
The HF 310 blends flexibility with a superior double glazing performance. This window takes in the visual benefits of timber with the efficiency and weatherproof properties of modern aluminium. The three continuous gaskets prevent water from meeting the timber surface.
All around gluing of the glass pane ensures excellent stability and offers burglary protection. Three continuous gaskets and external weather resistant aluminium prevent water from entering. The timber elements of the window offer excellent thermal insulation values.
Uw up to 0,62
33 - 46
up to RC1N, RC2
The HF 410 is one of the most popular and widely requested window systems in our timber-aluminium range. Its versatility, customisation and overall performance levels make it ideal for any size, shape and era of property.
With an 85mm frame depth, you can enjoy the minimalistic aesthetics. All the while, this design enjoys fantastic thermal retention, high quality acoustic insulation and certified security standards.
Uw up to 0,64
33 - 45
up to RC1N, RC2
The HV 450 comes with Internorm’s innovative integral sun protection hardware as standard. All the while, retaining all the character, delivering eye catching aesthetics and versatility for homeowners.
The HV 450 offers quadruple protection with advanced sun and privacy protection, thermal insulation and sound reduction. The I-tec shading works completely energy self sufficient and offers a host of innovative solutions for homes.
Uw up to 0.62
41 - 46
Secured by Design & PAS 24
The HF 400 is a timber aluminium window system that provides an all round performance without compromising on aesthetics.
This design of composite window has an attractive finish, superior levels of heat protection and multiple security properties. The HF 400 has a door leaf that is flat on both the inside and the outside, and an angular frame profile. The plate construction of the door leaf ensures thermal insulation to passive house standard.
Multipoint locking mechanism with a swing bolt is fitted as standard and maximum stability in the door leaf offers enhanced burglary protection. A wide range of door models with different surfaces, handles and glass cut outs offers the right door for every type of home.
Uw up to 0.70
35 - 45
Secured by Design & PAS 24
Get in touch with us today to book a showroom appointment and design consultation.
uPVC-aluminium windows are commonly installed in stainless steel or metallic decor colours. This range of Passive House windows is also available in beige, brown and grey shades.
There are a wide variety of styles and finishes available for your composite window handles. Get in touch with us today to find out more about the range of colours and hardware we offer our customers.
To learn more about the service Feneco deliver customers across Northern Ireland, read our case studies. The team at Feneco are specialists in supplying and installing energy-efficient uPVC-aluminium windows.
Contact us today to book a showroom appointment and design consultation.
To see our range of uPVC-aluminium windows in person, visit our showroom in Coleraine. Our helpful team of customer service experts will be happy to explain the main features of this range and answer any questions you may have.
We pride ourselves on supplying and installing industry leading Internorm energy efficient windows across Northern Ireland. From the moment we meet you, through the installation and during the after sale process, our expert team will be on hand to answer any questions you have need answering.