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A Techno-Economic Assessment of Air-Source Heat Pumping Technologies in the Canadian Residential Sector.

Number: No 252

Author(s) : TAMASAUSKAS J., BRETON S., KEGEL M.

Summary

While heat pump systems have strong potential to reduce energy use in the Canadian residential sector, the optimal system type and configuration can vary greatly depending on local climate and economic conditions. This paper applies techno-economic analysis to compare three market available air-to-air heat pumps (single stage, conventional variable capacity, and cold climate variable capacity) and examine their relative potential under different climate and utility rate structures. Using an improved, data-driven heat pump model, the economic and energy performance of each system is assessed for new construction housing in three Canadian regions. Results demonstrate the energy savings benefit of cold climate heat pumps in harsher winter climates, and the challenging economic context faced by heat pumps under current low natural gas rates in some Canadian regions. Key design concepts, including the sensitivity of the results to changes in estimated operating COP, and the strong link between peak loads and the combined control of the heat pump and auxiliary systems, are also discussed in order to promote an improved integration of heat pumps in Canada. 

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Pages: 13 p.

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  • Original title: A Techno-Economic Assessment of Air-Source Heat Pumping Technologies in the Canadian Residential Sector.
  • Record ID : 30030062
  • Languages: English
  • Subject: Technology
  • Source: 13th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
  • Publication date: 2021/08/31

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