Air flows, draught sealing and double glazing: how homeowners can retrofit houses for warmth
Jenny Edwards and her team of scientists assess people’s houses with thermal imaging and other high-tech tools to find tiny holes letting in the cold outside air. Photograph: Tracey Nearmy/The Guardian Methods of keeping living spaces warm range from cheap gap-sealing to expensive double-glazing, but the first step is to find and see the problem It’s minus four degrees when scientist Jenny Edwards arrives to inspect my bitterly cold Canberra home. Huddled inside with a coffee
