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The disadvantage of air conditioning in large buildings is that the thermal energy from outside heats the airspace of up to 200. 000 m³. To cool this large amount of air down to the right temperature, it must be replaced with cooled air several times a day. On the one hand, this air exchange is associated with a high energy consumption, on the other hand, heat is transferred from the building to the outside, thereby increasing the air temperature near the building.

Unlike conventional air conditioning systems, the ClimaStrat system needs to cool a very small amount of air by creating a climate envelope around the building, as the air gap between the climate envelope and the building is only 2-3 cm. Instead of, say, 200,000m³ only about 800m³ (approx. 0.4%) need to be kept at the right temperature, with significantly lower energy consumption. The low energy demand is covered by geothermal energy (cooling/heating) and photovoltaic systems. If a hot water supply is also required, the panel includes both water carrier layers for cooling and heating. Compared to state-of-the-art systems, the capital, maintenance and operating costs of the ClimaStrat system are significantly lower. As far as capital costs are concerned, we have to make estimates at the moment, since one of the components used, the water-bearing layer, is not yet produced in the designed form.