This checks to see if there are any leaks. To qualify as a Passivhaus, an air-test is performed. Building homes which are fully-insulated also means they have excellent sound-proof qualities (like air, sound travels through gaps). Because of the sealed panels and double-glazed windows, traffic noise is almost obliterated. Quiet HousesĪndrew's clients are also impressed with the low noise floor. You can also read our Frequently Asked Questions for more information. The panels are also very straight and there's little to no leakage where they are joined.Īndrew has built several SIPs Industries homes. The panels come standard 1200mm wide and they are filled with expanding foam before clicking together over a spline. SIPs boasts excellent insulation and is completely airtight. Structurally Insulated Panels (SIPs) were a natural choice for Passivhaus. The only pity is that Perth's feed-in tariff is down to 7c per Kwh (it used to be 47c).Ģ017 MBA Housing Excellence Award How Efficient is SIPs Technology? In fact the Cottesloe house generates more than 20 kilowatts a day. If you want to calculate your carbon footprint go here: The Cottesloe home is Grid Plus - meaning that the energy it generates is greater than what it uses. The aim of a truly passive house is focused on its energy requirements. The calculations involving footprint are pretty complicated. Any air-conditioning system will be on for a lot less time.īuilding the Passivhaus home in Cottesloe Can A Zero Footprint Home be Built With SIPs? Because a Passivhaus home is so efficiently engineered - with no leaks and highly insulated - one small (say 1500W) air-conditioner can cool (or heat) the entire home. It all depends on how well Solar Design aspects have been applied. The answer is "Almost." Our temperatures are often in excess of 40 degress! Building Homes with SIPs in Perth Does the system work in Perth's heat? The air isn't actually mixed - it works a bit like a car where air is pulled through the radiator. All of this air is pulled through a Heat Recovery Ventilation System (HRV). At the same time, and at the same rate, another 30 watt fan extracts air from wet areas such as the kitchen and bathroom (the smelly areas). The air is distributed throughout the main living areas of the home (living room, bedrooms, hall etc.) via a typical ducting system. In the Cottesloe home, there is one inlet where air is drawn into the home using a 30 watt fan.
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