Darren and Darcy Crichton started their DIY home retrofit on their 1969 bungalow 20 years ago. At first, they simply wanted to cut drafts by adding insulation. But with careful research, they did the right renovations in the right order and today they live in a solar-powered, net-zero home. This is their story. Changing for Climate Series GreenEnergyFutures.ca CKUA.com Podcast