Paarhammer joins Passive House Association

Thursday, September 22, 2016

With excellent energy efficiency ratings, Paarhammer products are a perfect fit for passive houses. We have now joined the Australian Passive House Association. On their website: ‘The Australian Passive House Association is an independent, not-for-profit organization which aims to promote Passive House principles as a way of providing superior indoor comfort and air quality while reducing energy use and carbon emissions from Australia’s buildings. Passive House (or PassivHaus) was originally developed in Germany and has since spread throughout Europe (and the rest of the world – authors note). The standard continues to evolve and is now finding popularity in diverse

U-values, European versus Australian

Monday, September 12, 2016

U-value calculations are not the same the world over. Australia has decided to follow the American NFRC (National Fenestration Rating Council) system when making calculations for the Window Energy Rating System – WERS. U-value measures how well a product allows heat to pass through. It is a measure of the rate of non-solar heat loss or gain through a material or assembly. The lower the U-value, the greater a window's resistance to heat flow and the better its insulating value. The whole window assembly is tested which includes the effect of the frame, glass, seals and any spacers. What does