Horizontal Conveyorized Gas Fired and Electrically Heated Hot Air Convection Drying and Curing Systems dry water off of and/or cure liquid and powder coatings on a wide range of products processed horizontally. The system features great temperature uniformity utilizing bottom-up, horizontal or top-down airflow and controls, air recirculation and exhaust system, and a complete energy-efficient insulated oven enclosure. The system can be used as a stand-alone complete horizontal conveyorized drying or cure oven system or in conjunction with coating application equipment and incoming and outgoing conveyors.