Paul Jackson, a tech CEO and investor, tries hard to minimize his carbon footprint. âI bike 12 kilometres to work every day,â he says, âand donât eat too much meat.â In 2019, he and his wife, Kathleen, a marketing research consultant, made plans to build a 6,000-square-foot house near Lawrence and Yonge for themselves and their two children, but they began to worry about betraying their principles: such a large home would surely put strain on the environment. So they opted, with the help of Jack Zhou, a sustainable energy consultant, to design a net-zero home. They knew the endeavour would be challenging, but as an entrepreneur, Paul was a practised troubleshooter.
Superficially, the house seems conventional: a split-level clad in brick, aluminum and lava stone, with high ceilings andâŚ
