Heat recovery in residential ventilation systems from an exergy perspective

Sakulpipatsin P., Boelman E.C., Cauberg H.
Year:
2006
Bibliographic info:
Healthy buildings , HB 2006, Lisboa, 4-8 june 2006, Vol V, p 269-274

Basic steady-state energy and exergy analyses for residential ventilation with and without heat recovery from ventilation air are presented in this paper. Factors influencing residential ventilation from an exergy perspective are discussed and dimensionless numbers are proposed to express the energy savings potential of a DC fan and a heat recovery unit (HRU) in dwelling ventilation system.The results of that study show that ventilation with heat recovery reduces the heat demand in terms of energy and exergy.

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