Getting light-coloured roofs would cut your electricity costs in warmer weather or cities because the colour of your roof can reduce indoor temperatures, according to an urban studies Prof. Sebastian Pfautschat, from Western Sydney University.
After five years of documenting heat in western Sydney, he warns that dark-coloured roofs can reach higher temperatures than lighter roofs, increasing the internal temperature of a home by up to six degrees (42.8°F) in the summer.
“You will need 50 percent higher energy costs to actually cool your home down to about 26°C (78.8°F),” he told 2GB.
However, the majority of people are still opting for darker colours without knowing that it’s hurting their wallets….