“…Authors have reported a paucity of STF product options that are aesthetically pleasing or widely commercially available (Cappel et al, 2014;Farkas and Horvat, 2012;Probst and Roecker, 2012). STFs include STCs that are integrated into the weather line of the building (DOMA Solartechnik, 2015;Winkler Solar, 2015) or are attached proud of the façade as, for example, balcony rails (Ji et al, 2015;Schweizer Energie, 2015;Yang et al, 2013b; or louvers (Abu-Zour et al, 2006;Palmero-Marrero and Oliveira, 2006;. These solutions generally derive from common roof attached solar thermal collectors, configured in alternative orientation, colour, casings and forms.…”