B 8.4.1 Climate | % of houses | No. houses surveyed |
---|
Maximum summer temperature between 25°C to 40°C | 37% | 5936 |
Maximum summer temperature regularly greater than 40°C | 62% | 5936 |
B 8.4.2 House performance in hot conditions | % of houses | No. houses surveyed |
---|
Outside temp > 30ºC | 24% | 1415 |
Cooling: < 0ºC i.e. no improvement | 13% | 1415 |
Cooling 0-2ºC | 33% | 1415 |
Cooling > 2ºC | 55% | 1415 |
Cooling > 4ºC | 31% | 1415 |
Cooling > 6ºC | 18% | 1415 |
Cooling > 8ºC | 11% | 1415 |
Cooling >10ºC | 21% | 1415 |
B 8.4.3 Outside the house | % of houses | No. houses surveyed |
---|
Shade trees or planting in the yard | 68% | 5936 |
Houses with any sun protected windows | 62% | 5936 |
No verandahs | 10% | 5936 |
Verandah on one side of the house | 37% | 5936 |
Verandah on two sides of the house | 39% | 5936 |
Verandah on three sides of the house | 8% | 5936 |
Verandah on four sides of the house | 6% | 5936 |
B 8.4.4 Insulation | % of houses | No. houses surveyed |
---|
Roof insulated | 42% | 5936 |
No roof insulation | 10% | 5936 |
Not known if roof insulation is installed | 48% | 5936 |
Walls insulated | 20% | 4337 |
No wall insulation or not known | 80% | 4337 |
B 8.4.5 Windows re cooling | % of houses | No. houses surveyed |
---|
Houses with windows all OK | 33% | 5936 |
Houses with less than 80% windows OK | 44% | 5936 |
Houses with 80-99% windows OK | 23% | 5936 |
Windows are sun protected | 62% | 5936 |
Windows : Total | 66,956 | 5936 |
Windows: Average | 11.3 | 5936 |
Windows% Not OK | 26% | 5936 |
Windows Average no. not OK | 3 | 5936 |
B 8.4.6 Cooling systems | % of houses | No. houses surveyed |
---|
No cooling system and only ceiling fans | 34% | 5936 |
Evaporative non-ducted cooling system | 3% | 5936 |
Evaporative ducted cooling system | 16% | 5936 |
Reverse cycle refrigerated air non-ducted cooling system | 35% | 5936 |
Reverse cycle refrigerated air ducted cooling system | 11% | 5936 |
Inside house temperature is less than 25°C when cooling is required | 57% | 5936 |
Any form of cooling | 86% | 5936 |