B8.4 Active cooling of houses

Survey Data

B 8.4.1 Climate% of housesNo. houses surveyed
Maximum summer temperature between 25°C to 40°C37%5936
Maximum summer temperature regularly greater than 40°C62%5936
B 8.4.2 House performance in hot conditions% of housesNo. houses surveyed
Outside temp > 30ºC24%1415
Cooling: < 0ºC i.e. no improvement13%1415
Cooling 0-2ºC33%1415
Cooling > 2ºC55%1415
Cooling > 4ºC31%1415
Cooling > 6ºC18%1415
Cooling > 8ºC11%1415
Cooling >10ºC21%1415
B 8.4.3 Outside the house% of housesNo. houses surveyed
Shade trees or planting in the yard68%5936
Houses with any sun protected windows62%5936
No verandahs10%5936
Verandah on one side of the house37%5936
Verandah on two sides of the house39%5936
Verandah on three sides of the house8%5936
Verandah on four sides of the house6%5936
B 8.4.4 Insulation% of housesNo. houses surveyed
Roof insulated42%5936
No roof insulation10%5936
Not known if roof insulation is installed48%5936
Walls insulated20%4337
No wall insulation or not known80%4337
B 8.4.5 Windows re cooling% of housesNo. houses surveyed
Houses with windows all OK33%5936
Houses with less than 80% windows OK44%5936
Houses with 80-99% windows OK23%5936
Windows are sun protected62%5936
Windows : Total66,9565936
Windows: Average11.35936
Windows% Not OK26%5936
Windows Average no. not OK35936
B 8.4.6 Cooling systems% of housesNo. houses surveyed
No cooling system and only ceiling fans34%5936
Evaporative non-ducted cooling system3%5936
Evaporative ducted cooling system16%5936
Reverse cycle refrigerated air non-ducted cooling system35%5936
Reverse cycle refrigerated air ducted cooling system11%5936
Inside house temperature is less than 25°C when cooling is required57%5936
Any form of cooling86%5936
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