Apparatus and installations for heating, steam generation, refrigerating, drying, ventilating, and humidifying, for the textile industry and the food industry as well as for woods and goods made of wood, namely, heat sinks for use in heating; cooling and ventilating apparatus, namely, humidifiers, steam generators, industrial dryers, vacuum pumps and ventilators; vacuum steam generators comprised of steaming chambers, cooling chambers, heating coils and bars; all of the foregoing used to generate steam for conditioning and humidification, relaxing, twist setting, pre-shrinking, fixating and stabilization of textile fibers, yarns and fabrics with natural moisture retention, and parts and fittings therefor; thermal, gas, phytosanitary and sterile treatment installations for synthetic and natural fibers, yarns and threads, cloths and textiles as well as for types of wood and for tobacco, namely, sterilizers, ozone generators that kill mold and mildew, steam heating apparatus designed to treat wooden packaging material, and parts and fittings therefor; sterilization, disinfection and drying apparatus and instruments for the textile industry, the food industry, medical engineering and for medical goods, namely, gas injectors for disbursing solids and/or liquids for purification and sterilization purposes, and parts and fittings therefor