The Toronto Star: Inside the deal that’s making geothermal heat go mainstream in Toronto
“When I got into this business, no one knew what geothermal was,” said Paul Frith, president of the Ontario Geothermal Association (OGA). “But the numbers have changed dramatically.” Geothermal is going mainstream — no longer a fringe technology reserved for places close to hot springs or volcanoes, where intense heat from the earth can be used to generate electricity. Shallower geoexchange systems can now be installed anywhere you can drill down to bedrock. The idea is relatively simple: pump water underground and use it to bring back heat in the winter and cold in the summer.
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