2017 onwards
As part of its multi-phased City Hall decarbonization project, the City of Vancouver installed an Aermec NRP air-to-water heat pump in late 2017 to provide heating and cooling to parts of the complex. The project was triggered by a plan to use only renewable energy in its facilities by 2040 and the demolition of a building that housed a 270-ton chiller plant. Following an analysis of the different options, it was determined that the incremental capital cost to install a highly efficient, air-source heat pump was similar to that of installing a new chiller with a desuperheater to reclaim heat from the chiller. For a similar installation cost, the City of Vancouver could reduce its emissions by approximately 34% (by removing some of the natural gas used for heating) and provide cooling to some parts of the complex. The simple payback period was estimated to be less than ten years.
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Municipality: Vancouver
Action: Net-zero municipal facilities and buildings