Tyler Hamilton works with cleantech companies from across Canada as an adviser with the non-profit MaRS Discovery District in Toronto.
When we burn fuel to power vehicles and machinery, drive industrial processes or generate electricity, most of the energy in this fuel is dumped into the atmosphere as heat.
In one 2016 study, German researchers estimated that 72 per cent of global primary energy consumption – that is, using coal, oil, natural gas and uranium as fuel – is lost as waste heat. Most of this heat is rated “low grade,” meaning it’s less than 100 C.
It includes the heat emitted from data centre server farms and the warm air that flows out the back of your kitchen refrigerator or air conditioner. Continue Reading →