Heat Recovery Ventilation (HRV) is an essential system for controlling humidity and CO2 levels in indoor environments. With airtight buildings and increased insulation, there is little air exchange between the indoor and outdoor environment, leading to a build-up of moisture and CO2. HRV systems use a heat exchanger to recover heat from outgoing stale air...Read More

Housing trends and the link to Passive House Design Modern house builds are changing. The key building philosophies of passive house design of correlate to the latest trends in design of individual, innovative designs and being self-sufficient or ‘off the grid’ both in terms of economic cost and home maintenance.  The limited needs for heating and...Read More

The Science of air leakage: How much does your leaky house cost you each winter? Everyone loves to complain about how cold it is here in Canberra. And it’s true, a month of regular dips below freezing makes us the coldest capital city in Australia. Yes, even colder than Hobart! To combat this, most people...Read More

The Differences Between U-Values Around the World We often get asked about our U-values, and how they compare with those of other products. Firstly though, what are U-values? U-values are an important metric when determining the energy efficiency of glass windows and doors. It is a measure of both how well a window or door...Read More

How Does Airtightness Relate to Ventilation: A Beginners Guide When we, and a lot of the industry talk about building airtight, we often use the term ‘leaky’. But what exactly quantifies ‘leaky’ or ‘airtight’? Unfortunately, there isn’t a global standard. New Zealand’s building code defines an air change per hour (ACH) of less than 5...Read More

The Importance of Air-tightness and Ventilation in Summer With the first of our summer heat waves upon us, it is important to understand the value of air-tightness and Energy Recovery Ventilation (ERV) during such hot days. But usually, air sealing solutions are framed as a solution to cold climates, keeping the warmth inside the house....Read More

LAROS Technologies and RAICO Bautechnik GmbH are exhibiting at the 2017 DesignBUILD Expo, held at the ICC Sydney, Darling Harbour. Dates: Wednesday 3rd Køb Kamagra hvis du prøve et andet potensprodukt – Friday 5th of May Time: 9AM – 6PM If you are around the area, feel free to swing by and see our booth...Read More

A Canberra child care centre is set to become Australia’s most energy-efficient commercial building. The Torrens Early Learning centre will be the first commercial “Passivhaus” structure in the southern hemisphere, once construction is complete. Photos: Jamila ToderasRead More

Stage 2 – Complete! Spectacular project in Melbourne is finally complete! No one thought it could be done, but with the European smarts of HESS Timber & RAICO THERM+ H-I High Performance Curtain Walls and some clever design from the LAROS team, the doubled glazed curved roof for the Melbourne University College is now up!...Read More

Stage 1 – Complete! Many thanks & congratulations to everyone from LAROS & Western Commercial Windows who was involved. It has been a successful outcome of the assembly on the ground. Next stage… the LIFT, stay tuned for updates throughout the week! HESS Timber + RAICO THERM+ H-I thermally broken double-glazed (12mm-8mm) curtain wall roof.Read More