The Air Cooler for Indoor Environments by Tecnopress is ideal for enclosed and semi-enclosed spaces such as verandas, restaurants, bars, halls, pizzerias and so on. Its operation is based on the heat exchange between water and air that generates a decrease of the air temperature by approximately 5 degrees. This cooler does not use any refrigerant and needs a minimum quantity of electricity. It is available with a 3 or 6-way diffuser.