Thermal regulation... green walls can insulate!
Well, let's be honest: this is mainly true in the summer where greened areas on the house reduce the heat in the home. A saving on winter heating costs is only possible if all sides of the house are thickly covered with ivy. A maximum of 5 - 10% of heating costs can be expected. In a perfect world, no wind would blow, as it carries the protective air cushion of the foliage away...
Summer Heat Insulation
When it comes to "thermal insulation," one first thinks of cold winters and insulation layers that reduce heating costs. But insulation is also in demand in the summer when walls and interiors heat up excessively in strong sunlight. This is when facade greening can cool down the walls by absorbing the sun's rays and by not allowing the rays to hit the wall surface. This is especially true in non-insulated homes where the greening can replace air conditioning and save expenses. Facade cooling without electricity costs is, at the same time, active climate protection!
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