Influence of an active living wall on indoor temperature and humidity conditions

What is it about?

A living wall is a surface attached to building facades or indoor walls in with vegetation can grow. They have many benefits such as pollution reduction or increase of building’s walls isolation. These systems can be integrated within the building's air conditioning and ventilation systems. The air going into the building is forced to pass through the vegetation increasing the potential benefits of living walls. In this case, the system is called an Active Living Wall. In this study, we analyzed the performance of a prototypic indoor Active Living Wall installed at the University of Seville (Spain). We monitored the evolution of indoor air conditions (temperature and humidity) at different heights and distances from the wall. We observed drops in temperature between 0.8 and 4.8 °C especially when the air inside the room was drier and warmer.

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Why is it important?

An Active Living Wall can be very useful for slightly decreasing indoor temperature and, at the same time, cleaning the air. With these systems we can also enjoy a piece of nature inside a building while creating a pleasant view.