How to measure infiltration and air tightness

Part of establishing how well your home fares in terms of passive design is to establish how 'tight' it is. Learn more about how to test how much air leaks from your home.


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Sub metering and smart water meters

See what the law says about water sub metering for apartment blocks, and using smart meters to assess and manage your water usage.


Water efficient toilets

Toilets account for over 20% of a household’s yearly water usage so by buying the most efficient toilet possible, you can make significant water and dollar savings.


How to position doors

The positioning of doors depends on many things - safety and convenience, ventilation and lighting needs, and aesthetic requirements, to name a few. Find out how to position doors in your home.