Air Duct Booster Fans

Tjernlund Residential DUCT BOOSTER FAN Price: $100.25 View Product >>
Tjernlund DUCT BOOSTER Fan increases the comfort level in hard to heat or cool areas. Duct Air Booster Fan inserts into ROUND or FLAT air duct.. Boosts duct air flow up to 600 CFM. VIDEO
Suncourt Pro ADJUSTABLE  DUCT BOOSTER FAN Price: $41.25 View Product >>
Suncourt Pro ADJUSTABLE IN-LINE DUCT BOOSTER FAN enhances airflow to underperforming registers in rooms that are too hot or too cold. Installed into ROUND 6"- 8" Air Duct. Boosts duct air flow up to 250 CFM.    
Tjernlund 6" thru 14" IN-LINE DUCT BOOSTER FAN Price: $66.42 View Product >>
Tjernlund DUCT BOOSTER Fan. Available sizes 6" thru 14". Fits into metal or flexible air duct. Capacities from 280 CFM thru 1480 CFM. VIDEO
Suncourt Pro  4" Thru 12" DUCT BOOSTER FAN Price: $40.63 View Product >>
SUNCOURT PRO In-Line Duct Booster Fan increases air flow to registers in rooms that are too hot or too cold. 80 CFM thru 800 CFM. Corded Models available.
Suncourt Pro  5" thru 10" 2-SPEED DUCT BOOSTER FAN Price: $45.90 View Product >>
SUNCOURT PRO 2-SPEED Duct Booster Fan improves air flow to registers in rooms that are too hot or too cold. 200 CFM thru 900 CFM.
Vents-US COMMERCIAL DUCT BOOSTER FAN Price: $58.91 View Product >>
Vents-US Commercial Grade Air Duct Booster Fan. Galvanized Steel housing with Polymetric coating. High outflow capacity.
Suncourt DUCTSTAT PLUG-IN BOOSTER FAN THERMOSTAT Price: $46.38 View Product >>
SUNCOURT DS100 Plug-In Duct Booster Fan THERMOSTAT. Simplifies Duct Booster Fan installation. Eliminates electrical connections at the furnace.
SUNCOURT EQUALIZER® EQ2 ROOM REGISTER BOOSTER Price: $48.26 View Product >>
SUNCOURT HC300 Room Register Booster Fan  boosts floor register airflow. Pulls extra air out of weak floor registers - Increases Airflow by up to 80%.
Suncourt Flush Fit REGISTER BOOSTER FAN Price: $53.14 View Product >>
SUNCOURT FLUSH FIT Register Booster Fans. Improves Air Flow to Floor and Wall Registers. Increses Air Flow up to 85%.

Duct Booster Fans improve airflow to under performing air registers in rooms hard to heat or cool. This may be due to undersized air duct or excessive air duct runs. Duct Booster Fans can also be used as an In-line Exhaust Fan or Fresh Air Intake Fan. They may be used with Flexible Air Duct or Metal Duct. Duct Booster Fans are available for Round Duct or Flat Duct. Room Register Booster Fans for weak floor registers can increase airflow up to 80%.