Biowalls -- also referred to as living walls, vertical gardens, green facades, and green walls -- are interior or exterior walls that are covered with living vegetation. Biowalls have practical applications for both indoor and outdoor use. Many indoor biowalls are implemented in homes and offices for their natural air-filtration properties, Biowalls have many health and financial benefits when implemented properly. This biowall was constructed by Team Montreal for the Solar Decathlon 2007.and are used in tandem with traditional HVAC systems.
Outdoor biowalls are most commonly found in urban environments, and serve to insulate buildings and combat the urban heat island (or UHI) effect, where exposed concrete surfaces reflect heat and cause urban centers to be excessively hot in the summertime. Biowalls are also effective for mitigating the UHI effect in urban centers located in warm and dry climates.