Carrier's AERO 39L series air handlers are compact and fully assembled. They combine versatility with economical, dependable performance for heating, cooling, ventilation, and VAV (variable air volume) applications. Galvanized steel panels ensure structural integrity under all operating conditions. Double-walled hinged access doors also enhance structural stability and provide fast, easy access. A sloped, double-wall stainless steel drain pan controls condensate and complies with ASHRAE Standard 62. Carrier’s AHUBuilder® software makes selecting and optimizing the 39L air handler easy.