Integration of Building Integrated Photovoltaic/Thermal (BIPV/T) System with Heat Recovery Ventilators for Improved Performance Under Extreme Cold Climates

  • Riccardo Toffanin
  • Hua GeEmail author
  • Andreas Athienitis
Conference paper
Part of the Springer Proceedings in Energy book series (SPE)


The reliable operation of Heat Recovery Ventilator (HRV) is critical for maintaining a healthy indoor environment to remove contaminants and moisture, however, it remains a challenge in the Northern Canada due to the frequent frosting under the extreme cold conditions. The heat generated by a building-integrated photovoltaic/thermal (BIPV/T) system can be used to pre-heat the incoming fresh air in HRV in order to reduce its defrost cycle, therefore, improving the reliability of HRV to provide adequate ventilation required. In this case, the BIPV/T needs to be designed for higher air temperature rise, which may not be optimum for the thermal energy and PV power generation. Therefore, system integration and optimization for coupling BIVP/T with HRVs is required. Depending on the level of thermal energy available and the outlet air temperature from the BIPV/T system, a control strategy needs to be developed to optimize the operation of HRVs. This paper presents the analysis of four different BIPV/T configurations and their integration with HRVs for a 120 m2 house located in Iqaluit, NU, Canada through modelling. Results show that the outlet air of a BIPV/T façade installation can be 14.8 °C higher than outdoor air on a clear sky winter day and that the defrost cycle can be reduced by 13%, up to 619 h annually.


Building integrated photovoltaics/thermal (BIPV/T) Heat recovery ventilator (HRV) System integration Defrost cycle Extreme cold climate Canadian northern region 


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.KTH, Royal Institute of TechnologyStockholmSweden
  2. 2.Concordia UniversityMontréalCanada

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