Profile: Buckley Associates., Inc. manufactures and distributes heating, ventilation and air-conditioning products. We offer a wide range of HVAC products. Our product includes duct access doors, duct take-off fittings, fire dampers, flexible aluminum duct and louvers. Our buckley access door is made of 24 or 26 gauge galvanized steel and is double gasketed to prevent leakage. We offer round flexible duct, which is used in HVAC applications to allow airflow from the main duct to the outlet.