Solar thermal air systems for heating purposes; Dryers used for the removal of solid, liquid and vapor contaminants from compressed air and gases; Electric air sanitizing unit; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Accessories for fireplaces, namely, ventilation hoods for fireplaces for use in ventilation and deflecting heat from the top of a fireplace; Extractor hoods for kitchens; Ionisation apparatus for the treatment of air; Parts for heating and air conditioning systems, namely, heater cores and gas coolers for vehicles; Dampers, namely, control devices used in air ducts to regulate the flow of air; Exhaust hoods for kitchens; Electronic generator for use in controlling the amount of humidity in the air by creating, removing or circulating small water particles or water vapor in the air; Dehumidifiers for household purposes