Shape, style and orientation
If you live in a climate where the temperature fluctuates significantly between the seasons, positioning of your walls right may play a crucial role...
Recycled wall materials
One of the best ways to save energy is to use recycled materials. Find out about using recycled materials for walls.
One of the more...
Thermal mass and wall insulation
Walls can play a big part in how energy efficient a house is - particularly in terms of how much heat they absorb and...
Bathtub insulation
Insulation can make a big difference to how long your bathtub is able to retain its heat, and as a result, might also significantly...
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...
Heat loss through windows
Tremendous amounts of heat are lost through windows. Find out how the right windows, thermal curtains and pelmets can make your heating more efficient.
Fundamentally,...
Energy efficient heating
Different heaters produce different levels and types of heat, but they also consume different types of fuels. A good heating setup can cost very...
Types of central heating
Central heating systems are often the most economical way to heat various different parts of your house at once, especially in areas that require...
MEPS labels and ratings for air conditioners
Air conditioners come with labels these days that indicate how efficiently they're able to cool (and to heat, if they're reverse-cycle models). Find out...
Energy efficient cooling
Energy efficiency is a genuine and serious concern when it comes to cooling. Some systems use far more than others - find out what's...