Operating Mode

  • Y. H. Venus LunEmail author
  • S. L. Dennis Tung
Part of the Green Energy and Technology book series (GREEN)


This chapter aims to discuss the modes of operations of heat pumps. Newly designed multiple functions heat pump is employed to describe various operating modes. The operating modes of the heat pump include dehumidification, ventilation, space cooling and heating, and water heating. Benefits of using this innovative heat pump include: (1) comprehensive functions to provide indoor comfort climate, (2) remote condenser for both heat rejection and heat absorption, (3) integrate air source heat pump with air handling unit, (4) energy saving to use aerothermal for space heating and water heating, and (5) build-in control system to maximize indoor air comfort and minimize energy consumption. A case study on energy simulation is also presented to illustrate the load calculation of an envelope.


Heat pump system Dehumidification Space heating and cooling Ventilation Water heating 



Concentration of pollution


Mean of concentration


Specific heat


Concentration ventilation effectiveness


Thermal ventilation effectiveness


Mass flow rate


Energy load




Different in temperature


Mean of temperature


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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Sustainable Energy LimitedHong KongPR China
  2. 2.Sustainable Energy LimitedHong KongPR China

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