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Duct Fans – Duct Booster Fans on Sale at R.E. Williams
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.
 Installs in round metal ducts from 5” - 8” diameter or rectangular ducts as shallow as 3 1/4”. Increase the flow of heated air in warm air heating systems, or cooled air in central air conditioning systems. Made in the US. Price: $165.00 Sale Price: $165.00 |  Boost air flow in hard to heat or cool rooms, Easy installation in both metal and flex duct. Usually used in branch ducts, not the main supply or "trunk line" duct. Made in the US. Price: $87.00 Sale Price: $87.00 |  For 8" Flex or Metal Duct. This fan is 325 CFM. Boost air flow and increase the comfort level in hard to heat or cool rooms. Made in the US. Price: $119.00 Sale Price: $119.00 | ||
 Boost air flow in hard to heat or cool rooms. Easy installation in both metal and flex duct. Made in the US! Price: $227.00 Sale Price: $227.00 |  Maximum air flow operating temperature for the EF-Series is 150F (65C). For metal or flex duct. Made in the US! Price: $245.00 Sale Price: $245.00 |  Use to increase air flow through duct work or as an exhaust fan to vent non-combustible air or fumes from enclosed spaces. The maximum air flow operating temperature for the EF-Series is 150F. Made in the US. Price: $278.00 Sale Price: $278.00 | ||
