Natural Refrigerants
Summary
Canadian manufacturer Vitalis is preparing to install a 2.5MW (710.9TR) CO2 (R744)-based heat pump at the University of British Columbia (UBC)’s Okanagan Campus in Kelowna.
The air-source unit will serve the university’s district energy system, which currently uses a fossil fuel-based boiler. As Vitalis’s new heat pump is reversible, the system will be able to provide both heating and cooling.
“The district energy system [has] an ambient loop where we’re circulating water at 6–25°C [42.8–77°F], which means we have very good performance with CO2,” explained James Seabrook, President of Vitalis in a recent interview with NaturalRefrigerants.com. “That allows buildings in heating mode to absorb heat from the loop and buildings in cooling mode to reject heat into the loop. [With this,] you get a very efficient system, [and] you’re not wasting any heat.”
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