Our duct booster fans are designed to increase airflow in any room that is hard to heat or cool. Don’t waste hundreds on a costly energy bill due to inefficient airflow. Invest in a duct booster from RE Williams to lower your home’s heating and cooling bills. Our booster fans come in a variety of sizes to service your metal ducts, from five to 14 inches. If your drafty home leaves you feeling chilly during winter, increase your heating power with these specially designed fans.
Try the model EF-6 Auto six-inch duct booster, equipped with a power cord, built-in control, one year warranty and complete instruction manual. Our duct fans are easy to install. Enjoy their quiet operation and high, 150 degree temperature rating. Use these fans in your home or office to increase efficiency and comfort. We carry duct boosters in five, six, eight, 10, 12 and 14 inch sizes to fit your heating and cooling system.