Holmak HeatX is a specialist in air-to-air heat exchangers. Holmak offers a full range of plastic and aluminium heat exhanger ... s with the highest efficiency and lowest pressure loss. They are used as key compoments in a broad range of residential and commercial ventilation systems. In focusing on air-to-air heat exchangers, we declare our commitment to keep continuously optimising our products and process technologies. visit our website for more information: www.holmak.eu read more