E x a m i n i n g C o s t – E f f e c t i v e n e s s o f P V / T M V H R S y s t e m s
623
Figure 13: Proposed PV/T MVHR system schematic diagram
The wooden battens on the roof sheathing should be placed in such a way that the
vertical air flow from the bottom of the PV roof to the ridge can be well secured and the
cavity should be sealed to enhance the extraction of fresh air heated by PV (Fig.14).
Figure 14: PV/T roof air flow diagram