Welcome To The
ONTARIO
GEOTHERMAL ASSOCIATION
Advancing Ontario's Geothermal Heating & Cooling Industry
Find a Qualified
Geothermal Contractor
Connect with trusted professionals who meet OGA’s standards for quality, safety, and performance.
Learn How Geothermal Works
Clear explanations and resources to help homeowners, builders, and policymakers understand the benefits.
Stay Informed on
Policy & Industry Updates
Regular updates on regulations, incentives, and advancements shaping Ontario’s geothermal future.
Discover More About The OGA
The Ontario Geothermal Association (OGA) is a not-for-profit organization representing geothermal energy system designers, drillers, installers, equipment manufacturers and distributors to advance Ontario’s geothermal heating and cooling industry. The OGA strives to be a bridge between consumers, Government, and industry professionals while acting as a voice to increase awareness of the importance of working towards using a greener, cleaner and self-sustainable energy source.
OGA Member Benefits
ADVANCING GEOTHERMAL HEATING & COOLING ACROSS ONTARIO.
OGA News
Stay current with policy updates, technology advancements, and industry news that shape Ontario’s geothermal sector.
The newest edition of the OGA newsletter!
The latest news and events from the OGA! Top headlines, upcoming events, and so much more. ͏ ͏ ͏
November 2025 OGA Newsletter
The latest news and events from the OGA! Top headlines, upcoming events, and so much more. ͏ ͏ ͏
October 2025 OGA Newsletter
The newest edition of the OGA newsletter! The latest news and events from the OGA! Top headlines, upcoming events, and so much more. ͏
Inside the deal that’s making geothermal heat go mainstream in Toronto
In the past decade, geothermal has gone from being installed in less than one per cent of new homes in Toronto to nearly 30 per
CMPX Returns To Toronto From March 20 – 22, 2024
Toronto, November 27, 2023 – The highly anticipated return of The Canadian Mechanical and Plumbing Expo (CMPX) is set for March 20 to 22, 2024 at
OGA AGM to Highlight Breakthrough Research in Support of Geo
A research report commissioned by the Ontario Geothermal Association (OGA) highlights the unique benefits of ground-source heat pumps to the electricity system — and the
RECENT BUILDS
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Amazing Milestones
Celebrating the industry milestones, community impact, and membership growth that make OGA the voice of geothermal in Ontario.
GEOTHERMAL.
DRILLING.
HEATPUMPS.
DECARBONIZATION.
OUR SERVICES
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Matt Simpson
Field SupervisorLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Rick Farris
Lead PlumberLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Dave Connors
Expert ElectricianLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Carl Riggins
Job InspectorLorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Customer Stories
The following is a brief case study on a significant infrastructure project that will reduce the University of Toronto’s St....
Morrisburg Doctor Says Geothermal is Healthier He was the first obstetrician in the Morrisburg area, sometimes delivering babies by gaslight...
“Climate change is the most pressing issue of our time,” say schoolteachers with geothermal Vanessa and Michel R. are schoolteachers...
In-Laws Impressed by Economics of Geothermal Heating & Cooling Listowel, Bostech, Gerald & Connie Seyler, John Bosman When their house...
Significant Cost Savings After Oil Replaced With Geothermal on Farm Property Stratford, Buchanan & Hall, Murray Schlotzhauer, Rose Anderson. In...
Future City leaders show how geothermal works for institutional property The Don Valley Brick Works dates back to 1882 when...
Geothermal Finance Model for Toronto Condominiums Helps First-Time Buyers & Developers “We’ve all read media stories suggesting home ownership for...
He was a fearsome hockey foe in his day, but Mike Ault has spent most of his time as a...
“I’m allergic to conventional air conditioning,” says Silvia Gheju. “With this system I don’t have those problems any more.” She...
In the 1980s the western part of downtown Toronto became a run down industrial dirt patch. Factory operations moved to...
“Not burning fossil fuels is a big step towards trying to curb climate change,” says John Gordon, a fine home...
