The new system at the INVISTA Centre will cut natural gas use and greenhouse gas emissions by about 100 tonnes a year.
Kingston is leading the way in green technology by installing Canada’s first Liquid Desiccant Dehumidifier (LDD) at a municipal ice rink.
The new system at the INVISTA Centre uses heat pump technology and a moisture-absorbing fluid to dry the air—cutting natural gas use and greenhouse gas emissions by about 100 tonnes a year.
The project was built locally through a partnership between the City of Kingston, Modern Niagara, and St. Lawrence College. Two ice pads are now running with the LDD system, while the other two use traditional gas-based systems, allowing for side-by-side testing.
Officials say the new setup is cleaner, quieter, and more energy efficient. It could save the City up to $7,000 in annual costs and improve comfort for athletes and spectators.
If successful, the City hopes to expand LDD use to more rinks and pools. The system was first previewed at the 2024 Kingston Climate Expo.
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