Encyclopedia & FAQ's

DIY Frequently Asked Questions / Duct Fan

  • DIY Frequently Asked Questions / Duct Fan')"> Boosts the flow of air from the central heating system to areas in a house that are hard to heat or cool.
  • Overcomes the added resistance in long duct runs.
  • The prop fan type fits inside the duct.
  • The squirrel cage type fan has the motor mounted outside of the duct.
  • Most models vent about 200 cubic feet per minute in 6” to 8” diameter ducts.
  • Wired in series with the central furnace blower or operated by an auxiliary thermostat.