Jalousie window sustainable living. A commonly accepted advantage of jalousie windows is their ability to be left part way open in heavy rains as a way to maintain desirable ventilation, whether a sunshower or prolonged tropical storm. An experiment in 1960 tested the efficacy of jalousie windows in tropical climates to exclude rain while still allowing for air flow. A major issue with excluding rain while allowing air flow is that both tend to come from the same direction. The angled slatted jalousie windows give the impression of solving this issue, however, the actual efficacy of the windows to let in air
Residencia Armstrong-Poventud located above the podium and articulated in an ionic pilaster order. Each arch-window houses folding jalousie shutters. At the upper level there are four Ionic pilasters with pedestals resting on a continuous horizontal string-course. The three openings are symmetrically arranged and equally proportioned and articulated: a simple surround with a keystone frames a wide arch, opening out to a balcony through wooden jalousie doors. Decoratively etched clear glass lights occupy the tympanym over each opening. The first and third bay balconies contain waist-high decorative cast-iron railings and the wider central balcony consists of stone balusters and rails supported by the