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We have been working with ventilation systems for more than 30 years. We were there when "green building" began.  Companies make all sorts of claims about performance, but the fact is that air motion can be measured, and if it is measured under similar conditions it is possible to compare one product to another. Independent laboratories such as those recognized by the Home Venilating Institute (HVI) have strict testing a verification criteria.  If the product is HVI certified, you can be sure that what it claims for performance can be compared to another HVI certified product's performance claims. 
Cooling Fans Fantech Fans Utility Fans
Multi-port exhaust system
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In-line 588 cfm fan for 10 Fantech RVF4 Wall Mounted Centrifugal Fan
In-line 588 cfm fan for 10" ducting
MSRP $108.00
Our Price: $86.00
You Save $22.00!
Fantech RVF4 Wall Mounted Centrifugal Fan
MSRP $196.00
Our Price: $139.00
You Save $57.00!
In-line, 10" fan capable of moving 588 cubic feet per minute through 10" diameter ducting.  Think about it!  You want to move a bunch of air from point A to point B like from the inside of a garage through a duct to the outside of the garage or the air from an air handler into a remote room.  That's almost 600 cubic feet of air per minute (although it will be less than that when you add the ducting, grille, hood, etc. - maybe 450.  But that's still a lot of air.)  Put it on a thermostat switch or a pressure switch and it will come on and go off automatically.  Put that in your duct!
The Fantech RVF4 wall mounted exhaust fan puts the fan on the outside of the building along with any fan noise.  RVF4 is the fan and the hood in one installation.  Ducting runs from the grille in the room to the back of the fan.  If fan noise is critical, a speed control can be added or a ducting muffler.

 

We have used RVF4s to ventilate crawl spaces and range hoods.
Fantech DBF4XL Metal Dryer Booster Fan Fantech FR140 In-line Fan
Metal Dryer Booster
List Price: $243.00
Our Price: $189.99
You Save $53.01!
Fantech FR140 In-line Fan
MSRP $191.00
Our Price: $143.75
You Save $47.25!
The air moving through a dryer sometimes just doesn't have enough oompf to get through the clothes, the lint filter, the twists and turns in the ducting, all the way through the hood to the outside of the building.  All that resistance slows down the air flow and slows the rate that the clothes dry.  That means longer dryer run times and higher cost.  This dryer booster from Fantech is easily installed in the ducting to the outside (I've done it).  It plugs into a standard outlet.  It has a small hose that inserts into the ducting that senses the pressure and automatically turns on the fan.  It has a 5 year warranty, and . . . well, it works.  Can't ask for more than that.
The FR140 is an in-line duct fan that moves about 200 Cubic Feet Per Minute (CFM). It depends on the ducting and the installation details exactly how much air it will move.  It's performance is Certified by HVI testing - 214 cfm sitting there on the counter, about 180 cfm installed.  Like the FR100,  it's been around a long time, working hard, getting the job done. What's an in-line duct fan? It's a fan that is engineered to be in the middle of the ducting somewhere. It uses a motorized impeller that is ideal for pushing and pulling the air through the ducting. Axial or propeller fans are horrible for that task. They don't like the resistance of the ducting. We've used the FR140's for all sorts of applications like:
  • Exhausting a bathroom (mounted remotely from the bathroom it's really quiet);
  • Exhausting radon and soil gas (not good things to have in your home);
  • Boosting the flow in a HVAC supply duct.

It's a work-horse, all-around utility fan for connection to 6" ducting.

Fantech FG6 Steel In-line Fan Fantech RSK6 6
Fantech FG6 Steel In-line Fan
MSRP $180.00
Our Price: $141.45
You Save $38.55!
Fantech RSK6 Backdraft damper for 6" round ducting
MSRP $28.00
Our Price: $21.99
You Save $6.01!
The FG6 is an air-tight, steel in-line duct fan that moves 303 Cubic Feet Per Minute (CFM). The FG series fans replace the FX series. What's an in-line duct fan? It's a fan that is engineered to be in the middle of the ducting somewhere. It uses a motorized impeller that is ideal for pushing and pulling the air through the ducting. Axial or propeller fans are horrible for that task. They don't like the resistance of the ducting. We've used the FG6's for all sorts of applications like:



  • Boosting the flow from a dryer (although there are systems for this now)


  • Venting a range hood;


  • Exhausting a bathroom (mounted remotely from the bathroom it's really quiet);


  • Exhausting radon gas (not a good thing to have in your home);


  • Boosting the flow in a HVAC supply duct (one of them for a three story run).
When you want the air to flow only one way through a duct, you need to use a backdraft damper.  The Fantech-RSK6 has light aluminum, butterfly blades that are spring loaded to close and seal.
Fantech FR100 In-line Fan Fantech DBF4XLT Intelligent Dryer Booster Fan
Fantech FR100 In-line Fan
MSRP $169.00
Our Price: $120.75
You Save $48.25!
"Intelligent" Dryer Booster
List Price: $294.00
Our Price: $229.00
You Save $65.00!
The FR100 is an in-line duct fan that moves 100 Cubic Feet Per Minute (CFM). Well, it's sort of THE in-line duct fan that moves 100 cubic feet of air per minute. It's been around a long time, working hard, getting the job done. What's an in-line duct fan? It's a fan that is engineered to be in the middle of the ducting somewhere. It uses a motorized impeller that is ideal for pushing and pulling the air through the ducting. Axial or propeller fans are horrible for that task. They don't like the resistance of the ducting. We've used these FR100's for all sorts of applications like:
  • Boosting the flow from a dryer (although there are systems for this now);
  • Exhausting a bathroom (mounted remotely from the bathroom it's really quiet);
  • Exhausting radon gas (not a good thing to have in your home);
  • Boosting the flow in a HVAC supply duct (one of them for a three story run).

It's a terrific, all-around utility fan.

The newest dryer booster system from Fantech.  This thing is great!  No really, it is.  If you think your dryer is on its last legs and drying cycles are taking forever, this dryer booser could be the answer.  (It could be your dryer as well.  If it's been there forever and you have never cleaned out the lint trap, well it could be the dryer.)  We have an electric dryer and this thing has cut the drying time in half.  That's a huge electrical savings.  The nifty blue LED lets us know that the booster fan is running otherwise we couldn't tell.
Fantech PB100F Bath Fan with Fluorescent Light Fantech PB230-2 Dual Grille Bath Fan
Fantech Bath Fan with Fluorescent Light
List Price: $278.00
Our Price: $208.95
You Save $69.05!
Dual Grille Bath Fan 230 CFM for 4" and 6" Ducting
List Price: $271.00
Our Price: $243.75
You Save $27.25!
Complete, in-line exhaust system including fan and ceiling grille with internal fluorescent light. Dual Grille Bath Fan 230 CFM for 4" and 6" Ducting
Fantech PB230F-2 Dual Grille Bath Fan Comfort Stream Whole House/Utility Fan
Dual Fluorescent Lighted Grille Bath Fan 230 CFM for 4" and 6" Ducting
List Price: $416.00
Our Price: $314.00
You Save $102.00!
Comfort Stream whole house fans
Our product - Our price! $1,449.00
Dual Fluorescent Lighted Grille Bath Fan 230 CFM for 4" and 6" Ducting
Enhancing natural cooling can be a lot more pleasant than sitting in unnaturally chilled, air conditioned air unless it is unbearably hot and humid outside.  The Comfort Stream™ can be used as a whole house fan, home comfort ventilator, or utility fan, venting four rooms to the outside.  When it is used as a whole house fan or whole house comfort ventilator, it amplifies a natural cooling effect, working as "hybrid cooling system™" when it is cooler outside than it is inside.  Unlike the majority of whole house comfort ventilators, the Comfort Stream was engineered to vent directly to the outside.  And the inlets to the Comfort Stream can be located in each of four rooms, working effectively whether the room door is open or closed.  Because the fan is mounted remotely, the powerful flow of air drawn through the grille has been measured at the Environmental Systems Laboratory at Texas A&M University to be a mere 1.9 sones, just a bit louder than a quiet refrigerator, about the same level as a computer fan.  The Comfort Stream is powerful enough to change all the air in a 2500 square foot house in just 12 minutes.  How quickly it cools the house will depend on how cool it is outside.
 
Comfort Stream Frequently Asked Questions ...

 
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