Air Turnover systems are unique heating units designed for installation at floor level directly in the conditioned space of warehouses, manufacturing areas, shipping/receiving areas, and other large rooms with high ceilings. An Air Turnover system works by continuously circulating large volumes of room air at low velocity. Quiet, energy-efficient propeller fans turn over the room air 1 to 3 times each hour, thoroughly mixing the air to maintain a uniform temperature from floor to ceiling without drafts. Fuel is conserved by "reclaiming" heat that otherwise would be trapped at the ceiling. Continuously circulating air helps quickly overcome the cold air effect from open doors in the shipping and receiving area after the doors are closed. Unlike most indirect fired systems which replace exhaust air with warmed outside air, an Air Turnover system generally uses little if any outside air. As a result, operating costs are very low.

Applied Air offers many styles of heating-only Air Turnover systems: