AF-6 MODEL 240 CFM         $31.95
AF-8 MODEL 420 CFM         $34.95
AF-10 MODEL 650 CFM         $55.95
AF-12 MODEL 975 CFM         $69.95
AF-14 MODEL 1350 CFM        $79.95
The truth about "Free Air"  and "Boosted Air" Ratings!

As an online consumer it is important for you to understand what it is you are buying before you
purchase because you don't have the ability to actually look at the product and see it function before
hand. There are some manufactures out there who would like you to believe your buying something you
are not. As an example you may think you are buying a 500 CFM rated fan but in reality you are getting
maybe around a 210. Be sure you know the "Free Air" ratings of your duct fan before you purchase. We
explain a little more in detail below.

"Free Air" is a rating given to a fan that is not installed in a duct line. There is no restriction to airflow or
static pressure (This is the rating you would get if you simply have the fan plugged in and sitting on a
table in front of you).

"Boosted Air" is a rating given to a fan as a maximum number of CFM's the duct fan will push before it
becomes a restriction itself. It does not mean you will even come close to this "Boosted" number and it
is based on a certain number of CFM's pushing on the back end of the duct fan from your main blower in
order to help the duct fan generate more rpms thus more CFM's.

Chances are if you are having airflow problems to begin with you are not going to have alot of CFM's
pushing on the back end of your duct fan let alone enough to even get you close to the "Boosted Air"
rating you thought you were going to get. "Free air" is really the only fair way to rate these Duct fans
due to the amount of variables within each setup like duct length, 90 or 45 degree bends,how many
CFM's are pushing on the back end from your main blower and where you plan to install your duct fan.
We hope this information helps in your purchasing decisions. Please Contact us for further details if
needed.
What is an Inline Duct Fan?

You may hear it referred to in the following terms: Duct Fan,Inline Duct Fan,Air Booster Fan,heat duct fan, etc.
It is used primarily to help move warm or cold air throughout your home utilizing existing or planned ductwork.

What are CFM's?
CFM stands for Cubic Feet Per Minute and in this application it is defined as a rate of airflow. Most CFM
ratings are measured in a controlled environment persuant to specific industry standards. Higher CFM ratings
do not always mean a stronger fan it simply means there is more space for the air to flow through. If you see a
240 CFM 6" Fan and compare it to a 1350 CFM 14" you think automatically the 14" is much more powerful unit
when in fact it moves at about the same RPM and reacts to restriction in much the same way as a 6 inch unit
does. The fact the 14" unit has 14 inches of free air space is the main reason it has a much higher CFM rating.

Why use Aero-Flo Inline Duct Fans?

30 DAY MONEY BACK GUARANTEE!!!
High Output Free Air CFM's. See Below for our "Free Air" explanation!
Boost and maximize airflow to hard to HEAT or COOL rooms!
Circulate warm air from a wood,coal or corn burning stove!
Exhaust air from your Bathroom, Kitchen or Garage!
Great for Greenhouses and Hydroponic gardens!
Boost your return air to gravity flow furnace!
Installs into any shape duct! Round,Square,Rectangle and Flex!
Save energy costs by maximizing your heating and cooling system!
Technical assistance available anytime 866-462-1676
Dedicated customer service and sales team on hand to help you with any question or concern.
Air Booster Fans.com is a supplier of air moving units for residential and commercial applications. Within our
site you will find a variety of products all geared towards air movement,air cooling and air heating. Rest assured
you have found the most comprehensive website when it comes to your air moving,heating and cooling needs.
We are a supplier for Aero-Flo Inline Duct Fans, TPI Industrial Products,Markel,Raywall,Fostoria,Redd-i,
Columbus Electric and Gary Metals Mfg. We offer very competitive prices and are very focused on customer
service throughout your installations. If you need help and cannot find the answer on our site, call us at
1-866-462-1676 Click the Live Chat link or email us at sales@airboosterfans.com and we will help you with
anything you need! Use the links to the left or the pictures below to navigate through the various product lines we
offer. Our most popular items like our inline duct fans and electric garage heaters are listed first.
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12 month warranty with a 30 day Money
Back Guarantee! If you are not satisfied with
these fans within 30 days we will pay to have
them shipped back and refund your purchase
100%
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Use some of these accessories to optimize your installation!
Inline Duct Fans (Scroll Down for units and pricingAll units come with a 30day money
back guarantee! See below for details!)
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Speed Control Switch
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(air pressure switch)
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