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DETAILS
Model CUBE is a belt drive fan for roof or wall mounted applications, discharging the air directly upward, away from the roof or wall surface. Fan wheels are backward inclined and constructed of aluminum.
Use the calculator to determine the Air Exchange (CFM) required to adequately ventilate an area.
Enter information into the fields below to calculate the required airflow per fan.
To calculate the CFM required to adequately ventilate an area, we divide the room volume by the appropriate “Minutes per Change” value.
[CFM] = [Room Volume] / [Min./Chg.]
Airflow (CFM) per Fan
*
Starred items represent required fields.
Calculate Static Pressure (SP)
Use the calculator to determine the amount of static pressure the fan must overcome.
The pressure generated by fans in ductwork is typically very small. An accurate measurement of static presure is critical to proper fan selection however. Static pressure in fan systems is typically less than 2" SP, or 0.072 Psi.
The amount of static pressure that the fan must overcome depends on the air velocity in the ductwork, the number of duct turns (and other resistive elements), and the duct length. For properly designed systems with sufficient make-up air, the guidelines in the table below can be used for estimating static pressure.
Static pressure
*Starred items represent required fields.
Static Pressure Guidelines
Non-Ducted 0.05" to 0.20"
Ducted 0.20" to 0.40" per 100 feet of duct (assuming duct air velocity falls within 1,000 to 1,800 feet per minute)
Important: Static pressure requirements are significantly affected by the amount of make-up air supplied to an area. Insufficient make-up air will increase static pressure and reduce the amount of air that will be exhausted. Remember, for each cubic foot of air exhausted, one cubic foot of air must be supplied.
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Shop Greenheck Wall Mounted Fans
One of the most crucial components to any HVAC project are your wall mounted fans. Mounting ventilation fans on walls is a great way to save space for the more important work taking place within your warehouse, commercial kitchen, manufacturing facility or any building. The Greenheck line of wall mounted fans are the industry standard in clean air exhaust and air movement. We manufacture wall fans which are available in belt or direct drive, axial or centrifugal configurations.
Our centrifugal line of wall mounted fans are ideal for contaminated air exhaust where grease laden materials are handled. Available in both belt and direct drive, the CUBE and CUE fans can mount flush to the wall with our wall mount bracket or offset using a traditional curb mounting. For clean air exhaust, look no further than model SBE and SE1 axial fans. By using our online store for your order, you can package all the necessary mounting accessories and control options. We are also proud to offer custom building services to meet the needs of any HVAC challenge. All this on top of our outstanding Warranty, Educational Resources, and world class customer support at exactly why Greenheck wall mounted fans are the best choice in the industry.
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