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It is well known that heat recovery ventilation (HRV) has many benefits when the outdoor temperature is low, including energy savings and a high thermal comfort level. However, HRV ventilation also offers benefits in the summer. If the outdoor temperature is higher than the indoor temperature, the outdoor air is cooled by the slightly cooler indoor air. Unfortunately, this does not prevent the home from gradually heating up if the daytime temperature is high for longer periods. Once the home has warmed up, the heat does not easily leave the home. The Evap Air Cooler is the ideal solution to this problem.

Because it consumes only water, this cooling method is very energy efficient. In countries with hot summer climates, where air conditioning is essential, the Evap Air Cooler can help to reduce the energy consumption of the air conditioning system. 

The Evap Air Cooler works fully automatically and turns on if the outdoor temperature exceeds 18 ˚C. The warm exhaust air from the home passes through a moistened glass fibre cassette inside the Evap Air Cooler. The moisture evaporates and cools the exhaust air. This cooler exhaust air passes through the heat exchanger, which cools the supplied outdoor air. With this cooling type, the indoor air can be cooled to around 8 ˚C below the outdoor temperature. This avoids a situation in which excessive cooling results in an extreme transition between the indoor and outdoor temperature. The limited capacity of adiabatic cooling is compensated by the fact that it can operate continuously above 18 ˚C, which means the cooling capacity remains available for longer and does not consume additional electricity. 

You can check its operation using the optional controller. The Evap Air Cooler also excels in combination with the Evap Pro humidifier, which prevents excessively dry indoor air in winter.