Toronto Western Hospital to get 90% of its Heat from the Sewer and Heat Pumps

IN THE NEWS
Written By Crystal Thomson-Dick

Source: David Dodge | · GREEN ENERGY FUTURES · | April 30, 2025

Toronto Western Hospital is launching the largest sewer heating system in the world using the magic of heat pumps.

Yup, this means the hospital will get 90% of its heat from the sewer system beneath the streets of Toronto.

If you think this sounds crappy, consider the hospital will save $700,000 in operating costs every year.

Ed Rubenstein is the VP of Business Development, for Noventa Energy, the company that built the $43 million wastewater heating system.

But that’s not where he worked when this project began.

Prior to taking the job with Noventa Energy, he looked after sustainability for the University Health Network in Toronto, that looked after Toronto Western Hospital as one of its facilities.

Rubenstein cut his teeth on sustainability projects by working on recycling programs and retrofitting hospitals with LED lights back in the day.

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Crystal Thomson-Dick
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