
High CFM ventilation fans are a game-changer for indoor air quality, with some models boasting CFM ratings as high as 1,200. These powerful fans can move a significant amount of air, making them ideal for large spaces or areas with high humidity.
Incorporating advanced features like humidity sensors can help optimize ventilation performance and prevent moisture buildup. Some high CFM fans also come with built-in timers, allowing you to schedule ventilation sessions to fit your needs.
For heavy-duty applications, high CFM fans with industrial-grade motors are a great option. These motors are designed to withstand harsh conditions and provide reliable performance over time.
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Types of Fans
Inline fans are a popular choice for high CFM ventilation needs, offering a wide range of sizes and horsepower options.
The Inline Tubular Centrifugal (CTB) series, for example, can handle up to 20,000 CFM and has a static pressure capability of up to 2-1/2 inches.
These fans are designed for commercial and industrial in-line applications that demand quiet, efficient, and reliable air movement.
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Centrifugal Fan
Centrifugal fans are a popular choice for ventilation and air movement applications. They're available in a wide range of sizes, from 4 inches to 42 inches.
Direct drive centrifugal fans are a great option for in-line duct applications, with models like the PV-POWERVENT series offering airflow performance values ranging from 153 CFM to 943 CFM. These fans are designed for direct connection in-line with standard diameter round ducting.
Belt drive centrifugal fans, on the other hand, offer high static pressure capability, with some models capable of handling up to 3-1/2 inches of static pressure. The SQB square in-line duct mounted fans are a good example of this, moving from 100 to over 24,000 CFM.
Tubular centrifugal fans, like the Inline Tubular Centrifugal (CTB) series, offer a wide range of sizes and performance capabilities, with models rated from 300 to 20,000 CFM and static pressure capability up to 2-1/2 inches.
Some centrifugal fans are specifically designed for radon mitigation, like the PRF series, which feature backward inclined centrifugal blower/motors capable of handling up to 1 inch of static pressure. These fans are designed to fit easily with standard PVC couplings typically used in radon mitigation applications.
These are just a few examples of the many types of centrifugal fans available, each with their own unique features and capabilities.
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Mixed Flow Fan
Mixed flow fans are a great option for small to medium-sized ventilation installations that require a high airflow to pressure ratio and occupy minimum space.
They can be used in exhaust, supply, or return air applications, making them a versatile choice for various ventilation needs.
The TD-MIXVENT series is an example of an in-line mixed flow duct fan that excels in maximizing airflow performance with minimal noise levels in a compact housing.
These fans act as a hybrid between axial and centrifugal fans, producing a lot of air like axial fans but handling higher pressures like centrifugal fans.
This unique combination makes them more efficient and quieter than similar tubular centrifugal fans.
Mixed flow fans are often used in limited space environments such as false ceiling voids, cabinets, and other similar areas where space is a concern.
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Fan Features
These high CFM ventilation fans are designed to be quiet, efficient, and reliable, making them perfect for commercial and industrial applications.
They're available in a wide range of sizes, horsepower, and performance options, with capacities ranging from 300 to 20,000 CFM.
These fans can handle static pressure up to 2-1/2", making them suitable for applications where air is moved through a duct system against moderate static pressure.
They're often used in applications like general building ventilation, enclosed garages, and paint spray booths, where a high capacity fan is needed to move a lot of air.
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Radon Mitigation Fan
The Radon Mitigation Fan is designed to handle radon mitigation with ease. It features a fully-sealed plastic design.
These fans have backward inclined centrifugal blower/motors that can handle up to 1" of static pressure. This makes them perfect for radon mitigation systems.
The PRF series has duct lips that fit easily with standard PVC couplings. This is a big advantage in radon mitigation applications.
Large, easily accessible, watertight electrical boxes are also a feature of the PRF fan. This makes the wiring process a breeze.
Direct Drive Square Centrifugal
Direct Drive Square Centrifugal fans are a popular choice for clean air applications where space is limited.
They are available in sizes 6 through 15, moving up to 2,800 CFM, with static pressure capability up to 1". This makes them ideal for applications where air needs to be moved quietly and efficiently.
The compact housing with removable access doors and side discharge capability allows for easy maintenance and mounting in any orientation.
SQD units are designed for direct connection in-line with standard diameter round ducting, making them a reliable selection for various applications.
The eSQD with electronically commutated (EC) motors is available in sizes 8, 10, and 12, providing an even more efficient and quiet operation.
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LED Lighting
LED lighting is a game-changer for ambiance and practicality. It's adjustable, allowing you to choose from a range of color temperatures including 2.7K, 3K, 3.5K, 4K, or 5K. Many LED lights are also dimmable, giving you fine control over the brightness level.
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Installation and Accessories
SheetLock is an innovative, time-saving installation method that doesn't require attic access, making it a great option for those who value convenience.
ReVent installs completely from the room-side in half the time, which can save labor and cost.
Remodel Installation
Remodel Installation is a breeze with some of the latest innovations in the industry. SheetLock is a great example of this, allowing for a time-saving installation that doesn't require attic access.
You can install SheetLock from the room-side, which is a huge advantage when working with limited space. This approach can save you labor and cost, making it a more efficient option.
ReVent is another great option that installs completely from the room-side in half the time, saving you even more labor and cost. The tabs on ReVent mount the fan directly to sheetrock, eliminating the need for mounting screws or wood.
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Cabinet
Cabinet inline fans are a great option for commercial and institutional buildings, providing quiet HVAC operation and high airflow performance.

The Losone Select Series cabinet inline duct fans feature a forward curved centrifugal wheel design that moves up to 704 CFM against static pressures up to 1" w.g.
These commercial-grade inline ventilators use resilient-mounted, low RPM motors for quiet operation.
Speed controllable with removable blower assemblies makes maintenance easy.
Suitable for both ducted and non-ducted inline ventilation applications, including restrooms, offices, conference rooms, and general exhaust ventilation systems.
Here's a list of some key features and benefits of cabinet inline fans:
Fan Specifications
Fan specifications are crucial when selecting the right ventilation fan for your needs. The ReVent 150 CFM Specification Sheet lists models RVS150, RVL150, RVSH150, and RVLH150.
These fans are available in sizes 7 through 42, with airflow capabilities ranging from 100 to over 24,000 CFM. The SQB square in-line duct mounted fans have high static pressure capability up to 3-1/2 inches, making them suitable for clean air applications where space is limited.
The SP-LP series is a powerful low-profile exhaust fan, with airflow up to 110 CFM. It features an electronically commutated motor with variable speed technology, ensuring consistent airflow even in scenarios with high static pressure.
Sp-Lp
The SP-LP series is the most powerful low-profile exhaust fan on the market, with airflow up to 110 cfm.
These fans are powered by an electronically commutated motor (ECM) with Constant CFM adaptive, variable speed technology that can handle static pressure associated with common residential installation scenarios.
The SP-LP series includes optional features such as an integrated humidity sensor to help control moisture and prevent mold and mildew.
Optional features also include 2-speed capability for whole-house continuous ventilation.
Lighted and non-lighted models of the SP-LP series are available.
The SP-LP series is compatible with the CRD-300WT, a UL 263 certified Ceiling Radiation Damper.
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Specification Sheet
The specification sheet for fans can be a treasure trove of useful information. You can find models like the ReVent 150 CFM, which comes in various configurations such as RVS150, RVL150, RVSH150, and RVLH150.
Fan specifications can vary greatly, but some fans have a direct drive design, like the SP-B, which is a ceiling exhaust fan with a low profile housing and low sound levels. Energy Star rated units are available for this model.
Some fans have impressive airflow capabilities, like the SP-B, which comes in fan sizes from 50 to 200 cfm. This range can be useful for a variety of applications.
For commercial kitchen and restaurant applications, it's essential to consider the fan's pressure rating. The SP-B can handle up to 1.0 in. wg., making it suitable for these types of environments.
Cfd
CFD, or Centrifugal Fan Design, is crucial in determining a fan's performance. A CFD analysis can help engineers optimize fan design for better airflow and efficiency.
The CFD model takes into account various factors such as fan shape, size, and material properties. This analysis can be run on a computer to simulate different scenarios and predict fan performance.
A well-designed CFD model can reduce fan noise and vibration. This is especially important in applications where fan noise is a concern.
The CFD model can also be used to optimize fan blades for better airflow. This can involve adjusting the angle and shape of the blades to maximize airflow while minimizing energy consumption.
In some cases, a CFD model can be used to predict fan performance under various operating conditions. This can be helpful in designing fans for extreme temperatures or altitudes.
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Details
These exhaust fans are designed to be super quiet, with the deluxe quiet exhaust fan being a standout feature. They're also UL listed for installation over a tub or shower on a GFCI circuit, giving you peace of mind.
The fans come with adjustable hanging brackets that make installation a breeze. You can easily hang the fan from the included brackets, and it's also possible to wire the fan from inside or outside the housing through the side access panel.
The AK150LS and AK280LS models are both HVI Certified for performance, which means you can trust that they'll do the job. You can also rest assured that they're ENERGY STAR certified, which is a big plus.
Here's a quick rundown of the fan specifications for the two models:
The fans also come with a 6 inch round duct connector with a gasketed damper that protects against backdrafts and seals the duct better than any other damper on the market today. This is a great feature that will help you save energy and reduce noise.
Fan Options
There are several fan options available for high cfm ventilation needs. The SP-AP model features three built-in, high-speed airflow settings (50, 80 or 110 cfm) to ensure whole-house ventilation code requirements are met.
The SP-AP model also includes standard two-speed operation to help comply with ASHRAE 62.2, WSEC, and CAL Title 24 requirements. This makes it a reliable choice for those who want to meet specific ventilation standards.
For a more premium option, consider the PCD-IL models, which support both single-speed and two-speed operation. They're designed for quiet, continuous operation and can handle static pressure of up to 1.0 in.wg.
Dryer Exhaust Ventilator
The Dryer Exhaust Ventilator is a game-changer for those with long duct runs between their dryer and wall or roof cap. It's a UL 705 listed Dryer Exhaust Duct Power Ventilator that effectively helps residential clothes dryers overcome the high static pressure caused by these long duct runs.
The PV-DEDPV is a specific example of a Dryer Exhaust Ventilator that's designed to tackle this issue. It's a reliable solution for homeowners who want to ensure their dryer is running efficiently and safely.
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Sp-Ap
The SP-AP fan is a great option for whole-house ventilation. It features virtually silent electronically commutated (EC) motors with adaptive technology.
This fan ensures it provides the air flow to meet whole-house ventilation code requirements. It also removes unhealthy air and moisture in real world installations.
You can choose from three built-in, high-speed airflow settings: 50, 80 or 110 cfm. Standard two-speed operation helps comply with ASHRAE 62.2, WSEC, and CAL Title 24 requirements.
The SP-AP fan comes in lighted and non-lighted configurations. Plug and play sensors (humidity, motion and CO2) are available.
The CRD-300WT, a UL263 certified Ceiling Radiation Damper, is compatible with the SP-AP0511W-1 and SP-AP0511WL-1 models.
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Smxdk-Ht
The SMXDK-HT is a direct drive mixed flow fan designed to maximize airflow performance. It's a hybrid of an axial and centrifugal fan, offering improved airflow capabilities.
This fan is perfect for emergency heat and smoke ventilation in the event of a fire, providing valuable time for people to exit or for emergency personnel to respond.
It's designed to provide a reliable and efficient solution for ventilation needs, making it a great option for high-temperature applications.
Losone Cabinet

The Losone Cabinet is a great option for commercial-grade inline ventilation. It features a forward curved centrifugal wheel design.
This design allows the fan to move up to 704 CFM against static pressures up to 1" w.g. It's perfect for buildings that require quiet HVAC operation.
The motor is resilient-mounted and runs at a low RPM, ensuring a quiet operation. This makes it suitable for commercial and institutional buildings.
Speed control is also a feature of the Losone Cabinet. This can be achieved through removable blower assemblies for easy maintenance.
It's a versatile fan that can be used in ducted or non-ducted inline ventilation applications. This includes restrooms, offices, conference rooms, and general exhaust ventilation systems.
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Premium Choice
Premium Choice fans are designed for quiet, continuous operation in both exhaust and supply air applications. They're perfect for residential and light commercial environments.
These high-performance inline fans are powered by energy-efficient EC motors, which are commonly referred to as DC motors. This type of motor provides a reliable and efficient way to move air.
The PCD-IL models support both single-speed and two-speed operation, giving you flexibility in your ventilation setup. This is especially useful in situations where you need to adjust the fan speed to accommodate different ventilation requirements.
With AutoFlo technology, these fans deliver superior performance and can handle static pressures of up to 1.0 in.wg. This means they can handle a range of ventilation applications, from simple to complex.
Premium Choice fans are built with durable 22-gauge galvanized steel, which provides a strong and long-lasting structure. They also come with metal duct connectors and an integrated backdraft damper to ensure smooth airflow.
You can adjust the fan speed manually using the built-in rotary knob, which provides a convenient and easy way to control the airflow. This is especially useful in situations where you need to make quick adjustments to the ventilation setup.
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Frequently Asked Questions
How many CFM for a 150 sq ft bathroom?
For a 150 sq ft bathroom, add 50 CFM to 1 CFM per additional square foot, resulting in a minimum of 100 CFM. This ensures proper ventilation and a healthy indoor environment.
Can CFM be too high for a room?
Yes, a CFM that's too high can make a room feel overly breezy and prevent air conditioners from removing humidity effectively. This can lead to discomfort and reduced air conditioner performance.
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