From Bleeding Edge to Leading Edge: A Builders Guide to Net Zero Homes - Hardcoverby Doug Tarry (Author), Marc Huminilowycz (Editor) "I've done complicated. It's complicated." Residential and commercial buildings account for 17% of Canada's greenhouse gas emissions (Reducing Greenhouse Gas Emissions from Canada's Built Environment; Senate of Canada 2018). In the United States, that figure is roughly 29% (C2ES; Decarbonizing US Buildings by J. Leung 2018). Net Zero homes, which produce at least as much energy as they consume, will