AXP In-Line Bathroom Fans

AXP In-Line Bathroom Fans are ideal for residential and light commercial bathroom ventilation applications.  The quiet and efficient backward-curved motorized impeller is capable of developing significant pressure while the in-line configuration simplifies installation, saving time and money.

AXP in-line bathroom fans incorporate a durable UV resistant plastic housing. Additionally, they are available in duct diameters from 4″ thru 12″ with airflow capacity up to 837 cfm.  Because AXP fans are capable of moving airflow through long or complex duct runs, they provide an ideal solution for areas that are difficult to heat or cool.

Features & Benefits of AXP In-line Bathroom Fans

• UV and corrosion resistant, durable plastic housing
• 120V operation, other voltages available
• Easy to install – mounting brackets included
• Mount in any position
• Use to supply or exhaust air
• Suitable for air temperatures up to 122 F
• Energy efficient – speed controllable (optional solid state speed control)
• Optional pre-wired with 120V power cord (AXP-C)
• Exceptionally quiet and efficient BC centrifugal motorized impeller
• External rotor motor design results in superior motor cooling and durability
• Permanently lubricated ball bearing motor for maintenance-free operation
• Automatic reset thermal overload protection
• Fan and motor are precision balanced for quiet and vibration-free operation
• Easily accessible, external junction box with pre-wired capacitor
• Available to fit duct sizes 4” – 12”
• Airflow capacity to 837 cfm

Complete the bathroom installation with a wide variety of fan accessories and controls.

Airflow Performance (cfm)

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Fan Dimensions for AXP In-Line Bathroom Fans

• Select the Charts / Diagrams tab below

How much airflow is required?

The following recommendations follow minimum guidelines published by the Home Ventilating Institute (HVI):

• Bathroom less than 100 square feet: – 1 cfm per square foot of floor area. A minimum of 50 cfm is the required ventilation rate.
• Bathroom larger than 100 square feet: – To calculate the proper ventilation rate, add the cfm requirement for each fixture; toilet 50 cfm, shower 50 cfm, bathtub 50 cfm, jetted tub 100 cfm.

Note: For proper sizing, the static pressure (SP) needs to be calculated. For typical applications, you may read from the 0.2” SP column for a selection.

Helpful Tips

• Use insulated duct in unheated spaces.
• Control air volume with a variable speed control.
• Sound leaves in a duct fan installation decrease as the distance of the fan from the intake grille increases. Five feet is usually adequate.
• Rigid duct tends to echo fan noise. To reduce sound levels, use flexible insulated duct.
• Always consult local building codes prior to selecting product and materials.

When it comes to choosing the right duct, people often ask, “What is the best duct for bathroom ventilation?” While there isn’t necessarily one absolute right choice, many times the best option is the flexible insulated duct.  Learn more in our blog posting: what-is-the-best-duct-for-bathroom-ventilation.

View our full line of bathroom ventilation fans and in-line fans while searching for the fan that best suits your application.