US Patent 10900724 Indirect and direct evaporative cooling system

A cooling tower includes at least one cooling fan, a cooling tower fan, at least one indirect heat exchanger, a heat exchanger coil and a direct heat exchanger. All inner surfaces of the cooling tower, except for the indirect heat exchanger, are made from and/or include a non-porous material. The non-porous material is high-density polyethylene. The cooling tower is part of an indirect-direct evaporative cooling system and supplies cool air to a building structure or areas that desire cooling.