Natural ventilation systems, operable windows, clerestory windows, skylights, solar chimneys, wind towers, stack effect, cross-ventilation, large overhangs, shading devices, green roofs, living walls, breathable materials, low-e glass, insulated fa\u00e7ades, radiant cooling panels, evaporative cooling systems, heat recovery ventilation, air-side economizers, demand-controlled ventilation, sensors and automation, smart building technologies, energy-efficient HVAC systems, comfort-oriented temperature ranges, humidity control, indoor air quality monitoring.