"Natural ventilation" refers to the process of using natural elements such as wind or temperature differences to remove stale air and replace it with fresh outdoor air in a building. Full definition
The software has a sweet - spot for natural ventilation simulations another aspect of the engine that other programs just seem to not be able to do. (treehugger.com)
We should also be using natural ventilation, even through the cool seasons. (discovermagazine.com)
With 6,000 square metres of solar panels, energy saving lighting, natural ventilation systems and other green features, the office is designed to generate as much electricity as its 1,200 occupants consume. (uncclearn.org)