Passivhaus may well be the growth market in the near future as more and more people seek to reduce heat loss as well as using less energy.

The Avantis 95 window from SAPA is one of the most cost effective and slimmest Passivhaus windows available.
Passivhaus buildings don’t just take into consideration windows. The whole building is required to be energy-efficient yet comfortable and required to meet a 75% reduction in heating requirements compared to a typical new build construction. In order to meet the stringent standards set by the Passivehaus Institute buildings need to demonstrate levels of insulation of a high standard, a building fabric that is extremely airtight as well as building methods that are free of thermal bridges – i.e. the easy transfer of cold from outside to inside face. When it comes to Passivhaus windows, these need to be very high performing with excellent insertion properties.
The Avantis 95 is the latest Passivhaus window from SAPA Building Systems.
- SAPA Building Systems have now launched the Avantis 95 window and is being launched as the most cost efficient Passivhaus window on the market.
- Avantis 95 is the very latest in Passivhaus standard windows and has gained certification by the two leading bodies, recognised internationally.
- The Passivhaus Institute is an independent research organisation with a key role behind the whole Passivhaus concept and is now an internationally acknowledged building standard for construction.
- IFT Rosenheim is a leading verification institute in both product design, evaluation and the implementation of technical standards.
Avantis 95 by SAPA is one of the slimmest Passivhaus windows available.
SAPA Building Systems say.
The product is one of the slimmest Passivhaus windows on the market, creating a sleek, contemporary look that balances performance with design while still being inherently robust, allowing vent weights of up to 170kg. It is available in a wide range of applications; turn, tilt and turn, bottom hung and fixed as well as a wide range of colours (including dual-colour).
Its outstanding performance includes water tightness to a stunning 1950 Pascals, over three times greater than the maximum level within current European standards, and a Uw of 0.8 W/m2k achieved with triple glazing Ug 0.7 W/m2k (1.23m x 1.48m TBT), making it one of the highest performing aluminium windows on the market. The Avantis 95 meets class 4 (air), class E1950 (water) and class C5 (wind load).
Before the implementation of higher and higher standards for windows, product designers had much more freedom than today in designing an attractive product. Today design has to take into consideration stricter standards that are only set to get higher in the com in years therefore to design a slim, aesthetically pleasing window is a success. It is welcomed that a product is slim and attractive as well as meeting stringent standards.
Could the SAPA Avantis 95 Window help Passivhaus windows make greater inroads into the UK Market?
Approximately 20000 Passivhaus dwelling have been built in mainland Europe and hardly any have been constructed here in the UK. Is the UK market ready to embrace and push forward with eco windows in an industry dominated by small double glazing firms with little desire to offer anything other than the standard plastic window for many?
There remains huge potential for Passivhaus Products.
Standards need to force the issue with Passivhaus windows as do changes in construction. There are already several companies willing to push forward with the Passivhaus product and give greater consumer awareness to them. Architects also are under greater pressure to create the most energy efficient buildings and these building professionals should start specifying Passivhaus windows and doors much more.
There is definitely potential for growth in the UK and the meeting of more stringent targets in the future should aid this. But it is not only the credentials of such systems that are important. Consumers need to be aware of the aesthetics and capabilities of such products. They should be made aware of Passivhaus windows because not only can they look very attractive in a home, they have the capability to accommodate larger vent openings as well as doing away with the traditional look of chamfered or sofline vents as more and more people move towards the contemporary and ultra modern window.
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