Canadian arena operators have to run their ice plants longer and at higher power to counteract warmer outdoor temperatures while also trying to reduce greenhouse gas emissions
Ammonia-based coolants are the most common in North American arenas. Although ammonia is highly toxic in confined spaces it has zero carbon emissions. Freon-based systems are being phased out as that chemical has a 100-year global warming potential of 1,810 or nearly 2,000 times more potent than carbon dioxide. Carbon dioxide refrigeration systems are also in use in some arenas, but they are not as widespread as either ammonia- or Freon-based systems.
“As the ground warms up more and more each year, it takes more and more energy to release that heat come the fall time,” he said. “As the shoulder seasons become more unpredictable that’s where we’re finding we’re struggling. A spokeswoman for the City of Toronto confirmed that the majority of its 119 ice surfaces use ammonia-based systems or will be upgraded to ammonia during ongoing state-of-repair upgrades. College Park’s Barbara Ann Scott rink, an outdoor skating trail, was completed in 2018 and uses a carbon-dioxide based system that is non-toxic, non-flammable, and has zero net carbon emissions.
“ is to reduce our environmental footprint, reduce our carbon footprint,” said Glass. “There’s also a sustainable operating cost reduction, which helps keep the tax base down.Vancouver and Ottawa have both started using heat redistribution systems that take the energy produced by the ice plants and redistributes it to other parts of the arena or adjacent buildings.
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Climate Changed: Canadian arenas adapting and improving to combat temperature changesIt’s getting harder to make ice in Winnipeg, a city known for its frigid winters.
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