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Fan Category

Volume (CFM)

Static Pressure (in. wg)

Elevation (ft)

Calculate Static Pressure

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 estimateing static pressure.

* Total Pressure due to Ductwork

	Get help calculating duct pressure Hide

* Pressure from Fittings and other Elements

	Get help calculating fittings pressure Hide

Result

Static pressure

* Asterisks indicate 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)
Fittings	0.08" per fitting (elbow, register, grill, damper, louver, duct turn, etc.)
Kitchen Hood Exhaust	0.625" to 1.50"
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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CFDB70SP451O

Ceiling Exhaust Fan, Low Profile, Model CFDB70, 89 CFM, 115V

$2,128.00 (MXN)

Model CFD ceiling cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Compact size for height-restricted areas
Vertical electrical access eliminates drilling holes
Round standard outlet for quick, easy connections
Damper prevents unwanted backdrafts
Speed controllable

Add to compare list

CFDB80SP541O

Ceiling Exhaust Fan, Low Profile, Model CFDB80, 94 CFM, 115V

$2,128.00 (MXN)

Model CFD ceiling cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Compact size for height-restricted areas
Vertical electrical access eliminates drilling holes
Round standard outlet for quick, easy connections
Damper prevents unwanted backdrafts
Speed controllable

Add to compare list

CFDB90SP501O

Ceiling Exhaust Fan, Low Profile, Model CFDB90, 104 CFM, 115V

$2,280.00 (MXN)

Model CFD ceiling cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Compact size for height-restricted areas
Vertical electrical access eliminates drilling holes
Round standard outlet for quick, easy connections
Damper prevents unwanted backdrafts
Speed controllable

Add to compare list

CFDB110SP801O

Ceiling Exhaust Fan, Low Profile, Model CFDB110, 133 CFM, 115V

$2,413.00 (MXN)

Model CFD ceiling cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Compact size for height-restricted areas
Vertical electrical access eliminates drilling holes
Round standard outlet for quick, easy connections
Damper prevents unwanted backdrafts
Speed controllable

Add to compare list

Picture of Inline Cabinet Fan, Model IFDB110, 103 CFM, 115V

IFDB110SP801O

Inline Cabinet Fan, Model IFDB110, 103 CFM, 115V

$2,641.00 (MXN)

Model IFD inline cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Single-speed motors feature thermal overload protection
Electrical access cover on housing exterior allows easy external wiring
Compact size for height-restricted areas
Spring loaded aluminum backdraft damper eliminates rattling
Speed controllable

Add to compare list

CFDB150SP1281O

Ceiling Exhaust Fan, Low Profile, Model CFDB150, 160 CFM, 115V

$2,679.00 (MXN)

Model CFD ceiling cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Compact size for height-restricted areas
Vertical electrical access eliminates drilling holes
Round standard outlet for quick, easy connections
Damper prevents unwanted backdrafts
Speed controllable

Add to compare list

Picture of Ceiling Exhaust Fan, Model CFDA110, 136 CFM, 115V

CFDA110SP491O

Ceiling Exhaust Fan, Model CFDA110, 136 CFM, 115V

$3,819.00 (MXN)

Model CFD ceiling cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Acoustic insulation absorbs sound for quiet operation
Exhaust outlets are field rotatable from horizontal to vertical discharge
Spring loaded aluminum backdraft damper eliminates rattling
External electrical access reduces installation time
Speed controllable

Add to compare list

Picture of Ceiling Exhaust Fan, Model CFDA125, 152 CFM, 115V

CFDA125SP521O

Ceiling Exhaust Fan, Model CFDA125, 152 CFM, 115V

$4,180.00 (MXN)

Model CFD ceiling cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Acoustic insulation absorbs sound for quiet operation
Exhaust outlets are field rotatable from horizontal to vertical discharge
Spring loaded aluminum backdraft damper eliminates rattling
External electrical access reduces installation time
Speed controllable

Add to compare list

Picture of Inline Cabinet Fan, Model IFDA200, 254 CFM, 115V

IFDA200SP481O

Inline Cabinet Fan, Model IFDA200, 254 CFM, 115V

$4,522.00 (MXN)

Model IFD inline cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Single-speed motors feature thermal overload protection
Electrical access cover on housing exterior allows easy external wiring
Spring loaded aluminum backdraft damper eliminates rattling
Exhaust outlets are field rotatable from horizontal to vertical discharge
Acoustic insulation absorbs sound for quiet operation
Speed controllable

Add to compare list

Picture of Ceiling Exhaust Fan, Model CFDA200, 267 CFM, 115V

CFDA200SP481O

Ceiling Exhaust Fan, Model CFDA200, 267 CFM, 115V

$4,959.00 (MXN)

Model CFD ceiling cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Acoustic insulation absorbs sound for quiet operation
Exhaust outlets are field rotatable from horizontal to vertical discharge
Spring loaded aluminum backdraft damper eliminates rattling
External electrical access reduces installation time
Speed controllable

Add to compare list

Picture of Inline Cabinet Fan, Model IFDA390, 412 CFM, 115V

IFDA390SP1401O

Inline Cabinet Fan, Model IFDA390, 412 CFM, 115V

$5,833.00 (MXN)

Model IFD inline cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Single-speed motors feature thermal overload protection
Electrical access cover on housing exterior allows easy external wiring
Spring loaded aluminum backdraft damper eliminates rattling
Exhaust outlets are field rotatable from horizontal to vertical discharge
Acoustic insulation absorbs sound for quiet operation
Speed controllable

Add to compare list

Picture of Inline Cabinet Fan, Model IFDA510, 545 CFM, 115V

IFDA510SP2171O

Inline Cabinet Fan, Model IFDA510, 545 CFM, 115V

$7,524.00 (MXN)

Model IFD inline cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Single-speed motors feature thermal overload protection
Electrical access cover on housing exterior allows easy external wiring
Spring loaded aluminum backdraft damper eliminates rattling
Exhaust outlets are field rotatable from horizontal to vertical discharge
Acoustic insulation absorbs sound for quiet operation
Speed controllable

Add to compare list

Picture of Inline Cabinet Fan, Model IFDA700, 766 CFM, 115V

IFDA700SP3501O

Inline Cabinet Fan, Model IFDA700, 766 CFM, 115V

$9,215.00 (MXN)

Model IFD inline cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Single-speed motors feature thermal overload protection
Electrical access cover on housing exterior allows easy external wiring
Spring loaded aluminum backdraft damper eliminates rattling
Exhaust outlets are field rotatable from horizontal to vertical discharge
Acoustic insulation absorbs sound for quiet operation
Speed controllable

Add to compare list

Picture of Inline Cabinet Fan, Model IFDA780, 784 CFM, 115V

IFDA780SP4051O

Inline Cabinet Fan, Model IFDA780, 784 CFM, 115V

$10,355.00 (MXN)

Model IFD inline cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Single-speed motors feature thermal overload protection
Electrical access cover on housing exterior allows easy external wiring
Spring loaded aluminum backdraft damper eliminates rattling
Exhaust outlets are field rotatable from horizontal to vertical discharge
Acoustic insulation absorbs sound for quiet operation

Add to compare list

Picture of Inline Cabinet Fan, Model IFDA1050, 1182 CFM, 115V

IFDA1050SP4551O

Inline Cabinet Fan, Model IFDA1050, 1182 CFM, 115V

$13,775.00 (MXN)

Model IFD inline cabinet fans are direct-driven with forward-curved wheels for low sound and high efficiency. Fans are suitable for clean air applications such as bathrooms, storage rooms, or offices where low sound levels are required.

Single-speed motors feature thermal overload protection
Electrical access cover on housing exterior allows easy external wiring
Spring loaded aluminum backdraft damper eliminates rattling
Exhaust outlets are field rotatable from horizontal to vertical discharge
Acoustic insulation absorbs sound for quiet operation

Add to compare list