Buying or building a home in Australia? Here are the energy efficiency features worth paying for | Peter Mares

As climate change makes heatwaves more dangerous, here's how homeowners can mitigate extreme heatChange by Degrees offers life hacks and sustainable living tips each Saturday to help reduce your household's carbon footprintGot a question or tip for reducing household emissions? Email us at changebydegrees@theguardian.comWhen the summer sun hits the west-facing windows of our 20th floor apartment in Melbourne, my resistance to switching on the air-con soon wilts.This generally happens about 4pm, soon after we've lost access to cheap electricity under our solar sponge tariff.Sign up for Guardian Australia's breaking news email Continue reading...