Maintenance
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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Thermal performance of different materials
Not all materials are equal as far as insulation goes - and even different forms of the same material can offer vastly different benefits. Find out how different materials stack up.
How to read floor plans
If you’re getting a house built, a floor plan is probably the most detailed and important part of the drafting process - and it's essential to understand how the inside of the house will be laid out.
Daylighting requirements
The number of windows in your home and where you put them is restricted by rules designed to ensure a minimum amount of daylight in each part of a home. Find out how this is likely to affect your design.