Duct Fan
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4 inch INLINE DUCT FAN exhaust BOOSTER vent blower cool | ![]() |
1 Bid | US $19.90 | 24m |
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New 2012 MTN Gearsmith Hydroponics 4" Inline Duct Tube Exhaust Fan 190CFM | ![]() |
0 Bid | US $74.95 | 1h 49m |
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New 2012 MTN Gearsmith Hydroponics 8" Inline Duct Tube Exhaust Fan 745CFM | ![]() |
0 Bid | US $109.95 | 3h 2m |
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New 2012 MTN Gearsmith Hydroponics 6" Inline Duct Tube Exhaust Fan 440CFM | ![]() |
0 Bid | US $87.95 | 3h 2m |
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New MTN Hydroponics 4" Inline Duct Tube Exhaust Fan Carbon Filter Kit 190CFM | ![]() |
0 Bid | US $137.95 | 3h 23m |
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New MTN Hydroponics 6" Inline Duct Tube Exhaust Fan Carbon Filter Kit 440CFM | ![]() |
0 Bid | US $169.95 | 5h 23m |
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6 Inch X 16 Ft Flexible Ducting Hose w/ 2 Clamps Inline Fan Blower Exhaust Duct | ![]() |
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US $26.90 | 5h 28m |
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New 2012 MTN Gearsmith Hydroponics 6" Inline Duct Tube Exhaust Fan 440CFM | ![]() |
1 Bid | US $87.95 | 5h 37m |
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6" INCH INLINE EXHAUST VENT FAN BLOWER DUCT AIR SIX WORKS WITH A CARBON FILTER | ![]() |
8 Bids | US $66.00 | 6h 19m |
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MTN Gearsmith Industrial Grade Hydroponics Inline Duct Tube Exhaust Fan 4" | ![]() |
0 Bid | US $74.95 | 8h 53m |
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MTN GearsmithTM Industrial Grade Hydroponics Inline Duct Tube Exhaust Fan 6" | ![]() |
0 Bid | US $87.95 | 8h 54m |
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MTN GearsmithTM Industrial Grade Hydroponics Inline Duct Tube Exhaust Fan 8" | ![]() |
0 Bid | US $109.95 | 8h 55m |
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Inline Booster Fan 6" 6 Inch 240 CFM Air Direct Air Flow Duct Hydroponic 120 V | ![]() |
0 Bid | US $24.99 | 9h 32m |
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New 2012 MTN Gearsmith Hydroponics 4" Inline Duct Tube Exhaust Fan 190CFM | ![]() |
0 Bid | US $74.95 | 10h 32m |
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8" Inch Inline Muffler Noise Reducer Silencer for Duct Fan Blower Carbon Filter | ![]() |
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US $76.95 | 11h 19m |
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6" INLINE DUCT FAN EXAUST BOOSTER BLOWER CFM 6 INCH AIR | ![]() |
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US $24.95 | 23d 12h 54m |
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New MTN Hydroponics 4" Inline Duct Tube Exhaust Fan Carbon Filter Kit 190CFM | ![]() |
0 Bid | US $137.95 | 13h 1m |
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New 2012 MTN Gearsmith Hydroponics 8" Inline Duct Tube Exhaust Fan 745CFM | ![]() |
0 Bid | US $109.95 | 13h 32m |
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6 Inch X 16 Ft Flexible Ducting Tube w/ 2 Clamps Inline Fan Blower Exhaust Duct | ![]() |
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US $26.90 | 13h 48m |
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2890RPM 4" Inch Inline Duct Exhaust Fan Air Blower Vent Cooling Hydroponics Cool | ![]() |
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US $76.95 | 13h 54m |
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Duct Fan

Ways to run heat duct outside between buildings?
I have two buildings that sit fairly close to each other, roughly 6' to 8' apart... One is heated and the other isn't... I'd like to run some sort of duct work between them without actually building something to connect the buildings together and then putting a duct fan inside the duct to blow hot air to the unheated room... I was thinking of maybe some type of plastic or pvc pipe or maybe some sort of black corrugated pipe with insulated duct inside it... Anyone have any other ideas or has anyone ever done anything similar??
I've used 6 & 8" diameter tubular duct with fiberglas insulation. The insulation has a waterproof outer covering. I think that would be the easiest way for you since in comes in various lengths. I bought mine from Star Steel in Detroit but you can find heating & cooling suppliers in your area. I doubt Home Depot or Lowes has everything but maybe they do. You'll need the flashing where it enters each building. The fan that fits inside the round duct is called a draft inducer. But if you have a forced-air furnace you won't need the fan.
Also, if the second building is a garage or any storage for gasoline powered vehicles or lawn mowers it is illegal to duct heat from another building that is occupied or lived in.
Hope this helps, good luck
ElectriFly XPD-8 EP HyperFlow Ducted Fan ARF
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4 inch INLINE DUCT FAN exhaust BOOSTER vent blower cool | ![]() |
1 Bid | US $19.90 | 24m |
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New 2012 MTN Gearsmith Hydroponics 4" Inline Duct Tube Exhaust Fan 190CFM | ![]() |
0 Bid | US $74.95 | 1h 49m |
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New 2012 MTN Gearsmith Hydroponics 8" Inline Duct Tube Exhaust Fan 745CFM | ![]() |
0 Bid | US $109.95 | 3h 2m |
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New 2012 MTN Gearsmith Hydroponics 6" Inline Duct Tube Exhaust Fan 440CFM | ![]() |
0 Bid | US $87.95 | 3h 2m |
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New MTN Hydroponics 4" Inline Duct Tube Exhaust Fan Carbon Filter Kit 190CFM | ![]() |
0 Bid | US $137.95 | 3h 23m |
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New MTN Hydroponics 6" Inline Duct Tube Exhaust Fan Carbon Filter Kit 440CFM | ![]() |
0 Bid | US $169.95 | 5h 23m |
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6 Inch X 16 Ft Flexible Ducting Hose w/ 2 Clamps Inline Fan Blower Exhaust Duct | ![]() |
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US $26.90 | 5h 28m |
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New 2012 MTN Gearsmith Hydroponics 6" Inline Duct Tube Exhaust Fan 440CFM | ![]() |
1 Bid | US $87.95 | 5h 37m |
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6" INCH INLINE EXHAUST VENT FAN BLOWER DUCT AIR SIX WORKS WITH A CARBON FILTER | ![]() |
8 Bids | US $66.00 | 6h 19m |
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MTN Gearsmith Industrial Grade Hydroponics Inline Duct Tube Exhaust Fan 4" | ![]() |
0 Bid | US $74.95 | 8h 53m |
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MTN GearsmithTM Industrial Grade Hydroponics Inline Duct Tube Exhaust Fan 6" | ![]() |
0 Bid | US $87.95 | 8h 54m |
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MTN GearsmithTM Industrial Grade Hydroponics Inline Duct Tube Exhaust Fan 8" | ![]() |
0 Bid | US $109.95 | 8h 55m |
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Inline Booster Fan 6" 6 Inch 240 CFM Air Direct Air Flow Duct Hydroponic 120 V | ![]() |
0 Bid | US $24.99 | 9h 32m |
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New 2012 MTN Gearsmith Hydroponics 4" Inline Duct Tube Exhaust Fan 190CFM | ![]() |
0 Bid | US $74.95 | 10h 32m |
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8" Inch Inline Muffler Noise Reducer Silencer for Duct Fan Blower Carbon Filter | ![]() |
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US $76.95 | 11h 19m |
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6" INLINE DUCT FAN EXAUST BOOSTER BLOWER CFM 6 INCH AIR | ![]() |
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US $24.95 | 23d 12h 54m |
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New MTN Hydroponics 4" Inline Duct Tube Exhaust Fan Carbon Filter Kit 190CFM | ![]() |
0 Bid | US $137.95 | 13h 1m |
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New 2012 MTN Gearsmith Hydroponics 8" Inline Duct Tube Exhaust Fan 745CFM | ![]() |
0 Bid | US $109.95 | 13h 32m |
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6 Inch X 16 Ft Flexible Ducting Tube w/ 2 Clamps Inline Fan Blower Exhaust Duct | ![]() |
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US $26.90 | 13h 48m |
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2890RPM 4" Inch Inline Duct Exhaust Fan Air Blower Vent Cooling Hydroponics Cool | ![]() |
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US $76.95 | 13h 54m |
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4 Inch X 16 Ft Flexible Ducting Hose w/ 2 Clamps Inline Fan Blower Exhaust Duct | ![]() |
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US $21.95 | 14h 38m |
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6" INCH INLINE EXHAUST FAN VENT BLOWER DUCT AIR SIX COOL WORKS WTH CARBON FILTER | ![]() |
6 Bids | US $56.00 | 14h 38m |
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2 Pair 6" Clamp for Grow Light Flange Fan Flexible Duct Worm Hose Ducting | ![]() |
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US $13.90 | 1d 5h 45m |
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2450RPM 12 Inch Inline Duct Exhaust Fan Air Blower Vent Cooling Hydroponics Cool | ![]() |
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US $164.95 | 1d 12h 5m |
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6" Vents Flange For Reflective Hydroponics Grow Tent Exhaust Duct Fan Filter | ![]() |
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US $17.95 | 1d 12h 20m |
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6” Duct Blower Centrifugal Inline Exhaust Fan For Grow Room Carbon Air Filter | ![]() |
0 Bid | US $73.00 | 1d 13h 29m |
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Hydrofarm 6-Inch In Line Booster Fan Nice! hydroponics duct | ![]() |
14 Bids | US $36.00 | 1d 14h 23m |
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New MTN Hydroponics 8" Inline Duct Tube Exhaust Fan Carbon Filter Kit 745CFM | ![]() |
0 Bid | US $189.95 | 4h 42m |
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4 Inch X 16 Ft Flexible Ducting Tube w/ 2 Clamps Inline Fan Blower Exhaust Duct | ![]() |
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US $21.95 | 2d 4h 38m |
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4" INCH INLINE EXHAUST FAN VENT BLOWER DUCT AIR SIX COOL WORKS WTH CARBON FILTER | ![]() |
8 Bids | US $27.03 | 2d 5h 21m |
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2620RPM 10 Inch Inline Duct Exhaust Fan Air Blower Vent Cooling Hydroponics Cool | ![]() |
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US $148.95 | 2d 5h 35m |
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6" INCH INLINE EXHAUST VENT FAN BLOWER DUCT AIR SIX WORKS WITH A CARBON FILTER | ![]() |
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US $79.95 | 14d 13h 4m |
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440 CFM 6" Inch Inline Duct Exhaust Fan Air Blower Vent Cooling Hydroponics Cool | ![]() |
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US $126.95 | 2d 8h 20m |
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10 INCH HYDROPONIC INLINE EXHAUST VENT FAN DUCT BLOWER | ![]() |
0 Bid | US $99.99 | 2d 10h 18m |
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8 INCH HYDROPONIC INLINE EXHAUST VENT FAN DUCT BLOWER | ![]() |
0 Bid | US $99.99 | 2d 10h 18m |
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6" Inch Inline Muffler Noise Reducer Silencer for Duct Fan Blower Carbon Filter | ![]() |
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US $65.95 | 2d 10h 50m |
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4" Inline Duct Fan Blower Hydroponic Grow Room Air Vent Exhaust 190 CMF 2910 RPM | ![]() |
0 Bid | US $69.78 | 2d 12h 9m |
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4" Inch Inline Muffler Noise Reducer Silencer for Duct Fan Blower Carbon Filter | ![]() |
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US $43.95 | 2d 13h 32m |
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4" Vents Flange For Reflective Hydroponics Grow Tent Exhaust Duct Fan Filter | ![]() |
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US $24.90 | 2d 14h 5m |
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6" Inline Duct Fan Blower Hydroponic Grow Room Air Vent Exhaust 400 CFM 2911 RPM | ![]() |
0 Bid | US $79.88 | 2d 16h 18m |
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4 inch INLINE DUCT BOOSTER FAN exhaust blower cooling | ![]() |
5 Bids | US $6.55 | 2d 19h 18m |
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6" x 18" CARBON AIR FILTER PRO COMBO SIX inch Duct FAN INLINE EXHAUST hydroponic | ![]() |
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US $98.95 | 3d 2h 44m |
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4 inch INLINE DUCT BOOSTER FAN exhaust blower cooling | ![]() |
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US $19.89 | 23d 2h 40m |
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HO 2890RPM 6" Inch Inline Cooling Duct Exhaust Fan Air Blower Vent Ventilation | ![]() |
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US $98.95 | 3d 5h 40m |
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1060 CFM 12 In. Inline Duct Exhaust Fan Air Blower Vent Cooling Hydroponics Cool | ![]() |
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US $209.95 | 3d 5h 40m |
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6 inch INLINE DUCT FAN exhaust BOOSTER vent blower cool | ![]() |
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US $31.95 | 3d 5h 40m |
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6" Inline Fan Duct Blower 400 CFM Hydroponics Exhaust Air w/ 6"x25ft Ducting | ![]() |
0 Bid | US $82.99 | 3d 8h 25m |
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can you connect a 2.4Amp. duct booster fan directly to the EAC connection on a fanboard of a furnace?
Not sure I understand your question, but I think you could just parrelel it with your existing fan, instead of taking it off of the circuit board. That is what I did when I added a duct booster fan to a long heat run in my house. Those just have a fractional horsepower induction motor on them, so they dont take much electricity.

















































