“…Photovoltaic/Thermal Combination Design: 1) Absorber slat, PV panel, water tubing, double glazing, 2) PV panel, water tube, air cavity, absorber, insulation, façade, 3) PV panel, air cavity, water tube, insulation, façade, 4) PV panel, 1st air cavity, water tube, 2nd air cavity, insulation, façade. Redrawn (Zhang, 2015) 81 TOC 3.14 Dynamically breathing building envelope examples of the VDSI in CALA Hazledean (1,2,4) in comparison to traditional insulation (3). Photo and redrawn (Brown et al, 2004) 82 3.15 Example of liquid BIST system with seasonal storage (1, 2) in the ETA-Fabrik Factory Prototype and close up of exchange wall (2).…”