Greenhouse ventilation fans help remove hot, humid air and keep air moving around plants. My best overall pick is the iLIVING 16-inch shutter exhaust fan, which balances a substantial exhaust format with thermostat and variable speed controls. For larger spaces, the CAMMOO 20-inch fan offers high stated airflow and temperature and humidity controls, while the Amico 10-inch DC fan suits smaller setups that need more speed settings. The main tradeoffs are exhaust capacity versus space and installation needs, plus simple circulation versus active air exchange. Read on for how the 15 options compare and which type of greenhouse each one suits.
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Key Takeaways
- Exhaust format matters: Shutter fans such as the iLIVING and VEVOR models are designed to move air out through a wall, while clip and high-velocity fans circulate air inside.
- Controls separate similar sizes: Thermostats, variable speed settings, and remote controls can reduce hands-on adjustments, but buyers should check which controls are actually included.
- Large airflow claims need context: The CAMMOO 20-inch model lists 4,000 CFM, but greenhouse volume, vent openings, and installation all affect real air exchange.
- Small fans fill a different role: The VIVOSUN and Tonree clip fans fit localized circulation needs; they are not direct substitutes for a wall exhaust fan.
- Size alone does not determine value: The best fit depends on the greenhouse opening, mounting plan, climate-control needs, and whether the goal is exhaust, circulation, or both.
| greenhouse ventilation fan | Airflow | Power | Fan size | Noise level |
|---|---|---|---|---|
| VIVOSUN AeroWave E6 Gen2 Grow | 320 CFM | 12 W; 12 V; USB Type-C | 6 inches | 33 dB(A) |
| iLIVING 16-Inch Wall-Mounted S | 1,200 CFM | — | — | 65 dB |
| VEVOR 10-inch Shutter Exhaust | 820 CFM | — | — | 50 dB |
| Amico 12" Shutter Exhaust Fan | 1,282 CFM | — | 12 inches | 50 dB |
| iLIVING 18" Wall-Mounted Shutt | 1,736 CFM | — | — | Below 65 dB |
| CAMMOO 20 Inch Exhaust Fan | 4,000 CFM | 70 watts, 120 volts | 20 inches | — |
| VEVOR 16 Inch Shutter Exhaust | 2,438 CFM | 115 watts, 120 volts | 16 inches | — |
| Ehiair 10” Shutter Exhaust Fa | 890 CFM | 36 watts, 120 volts | 10 inches | — |
| Simple Deluxe 18 Inch Industri | Up to 4,000 CFM; 3,000 low, 3,500 medium, 4,000 high | 110 watts, 115 volts | — | — |
| Windigaga 10" Shutter Exhaust | 890 CFM | 36 watts, 120 volts | 10 inches | — |
| iLiving 12" Wall Mounted Shutt | 960 CFM | 65 W | — | < 65 dB |
| Amico 10" Shutter Exhaust Fan | 1,000 CFM | — | 10 inches | 42 dB |
| VIVOSUN AeroWave D4 Grow Tent | 85 CFM | USB (5 V), 4 W | 4 inches | 35 dBA |
| Tonree 2-Pack 5.5" Grow Tent C | 520 CFM | USB Type-A (5 V/1 A), 5 W | 5.5 inches | — |
| iLIVING 20-Inch Wall-Mounted S | 3,368 CFM | 253 W | — | 69 dB |
More Details on Our Top Picks
VIVOSUN AeroWave E6 Gen2 Grow Tent Oscillating Clip Fan (6-inch)
For moving air around plants, the AeroWave E6 Gen2 is the most targeted pick in this group: its clip mount and five-level oscillation spread airflow inside a grow tent, rather than exhausting hot air outdoors like the iLIVING 16-Inch Shutter Exhaust Fan. Its listed 320 CFM and 10 speed levels give growers room to tune circulation, while the 33 dB(A) rating suits spaces where a louder wall fan would be disruptive. The IP54 rating and patented clamp also address humid conditions and secure mounting. The tradeoff is scope: this is a circulation fan, not a substitute for an exhaust fan when a greenhouse needs heat or moisture removed. Full speed and app features depend on the GrowHub, and USB-C power may require an adapter.
Pros:- Five-level auto oscillation distributes air around a grow space.
- 10 speed levels allow finer adjustment than the single-speed VEVOR 10-inch shutter fan.
- IP54 rating is suited to humid grow environments.
- Patented clamp is designed to grip different pole shapes securely.
Cons:- Does not provide the wall-mounted exhaust function needed to remove greenhouse heat and humidity.
- Full speed control and app features require a Vivosun GrowHub.
- USB-C power may require an adapter for some setups.
Best for: Grow tent owners who want adjustable, oscillating air circulation on a pole or tent frame.
Not ideal for: Greenhouse growers who need to exhaust large volumes of hot, humid air outdoors.
- Airflow:320 CFM
- Fan size:6 inches
- Noise level:33 dB(A)
- Speed settings:10 levels
- Oscillation:5-level auto oscillation
- Motor:EC motor with dual ball bearings
- Power:12 W; 12 V; USB Type-C
- Mounting:Clip-on
Our verdict“Choose this for quiet, adjustable circulation inside a grow tent, but pair it with an exhaust fan when you need to exchange greenhouse air.”
iLIVING 16-Inch Wall-Mounted Shutter Exhaust Fan with Thermostat and Variable Speed Control
The iLIVING 16-inch fan suits growers who want automatic heat response in a fixed wall installation. Its thermostat range of 32–130°F and three speeds let it adapt to changing greenhouse temperatures, while automatic shutters close when the fan is off. At 1,200 CFM, it moves more air than the VEVOR 10-inch shutter fan’s 820 CFM, making it a better fit for larger spaces; the Amico 12-inch model lists higher airflow and more speed steps, but has a shorter stated thermostat probe wire. Galvanized steel, aluminum blades, and wire guards support a more substantial installation. The tradeoff is a listed 65 dB noise level and wall-mount requirement, so it is less suitable for quiet areas or temporary setups.
Pros:- Thermostat range of 32–130°F supports temperature-triggered operation.
- Three speeds provide more adjustment than the single-speed VEVOR 10-inch fan.
- Automatic shutters close when the fan is not running.
- Galvanized steel frame, aluminum blades, and wire guards suit a fixed installation.
Cons:- Wall mounting requires a suitable opening and fixed installation.
- Listed noise level is 65 dB, which may be intrusive in quiet spaces.
- Three speed settings offer less fine control than the Amico 12-inch model’s eight.
Best for: Greenhouse owners who want a wall-mounted exhaust fan that can respond automatically to temperature changes.
Not ideal for: Growers who need a portable, quiet, or plug-in fan and cannot make a fixed wall opening.
- Airflow:1,200 CFM
- Fan diameter:16 inches
- Coverage area:Up to 1,800 sq. ft.
- Speeds:3
- Temperature control:32–130°F
- Voltage and power:115 V; 97 W
- Noise level:65 dB
- Frame and blades:Galvanized steel frame; aluminum blades
- Certification:UL/cUL listed
Our verdict“Pick this for thermostat-controlled exhaust in a fixed greenhouse installation where its noise level is acceptable.”
VEVOR 10-inch Shutter Exhaust Fan, 820 CFM Aluminum Wall Mount Attic Fan
The VEVOR 10-inch is a straightforward choice when a greenhouse needs fixed exhaust airflow and the grower can handle the wiring. Its 820 CFM rating is below the iLIVING 16-inch fan’s 1,200 CFM and the Amico 12-inch fan’s 1,282 CFM, so it fits a more modest ventilation requirement rather than a large house. The enclosed AC motor has thermal protection and permanent lubrication, which reduces routine upkeep, while galvanized steel and aluminum construction are intended to resist rust. This simpler design also means fewer controls: it runs at one speed and does not include a speed switch or plug. Buyers must plan for separate wiring, which makes it less convenient than Amico’s plug-and-play setup.
Pros:- 820 CFM offers a defined exhaust option for smaller ventilation needs.
- Enclosed AC motor includes thermal protection and permanent lubrication.
- Galvanized steel and aluminum construction is designed for rust resistance.
- Listed 50 dB noise level is below the iLIVING 16-inch fan’s listed 65 dB.
Cons:- Single-speed operation does not allow airflow adjustment.
- No plug or speed control switch is included, so wiring must be planned separately.
- Its 820 CFM rating is lower than the larger iLIVING and Amico exhaust fans.
Best for: Greenhouse owners with a modest exhaust need who have the wiring skills or help to install a basic single-speed fan.
Not ideal for: Growers who want thermostat automation, adjustable airflow, or a plug-and-play installation.
- Airflow:820 CFM
- Blade size:10 inches
- Speed:1,650 RPM
- Motor:Enclosed AC motor with thermal protection
- Voltage and power:120 V; 45 W
- Noise level:50 dB
- Mounting:Wall mount
- Dimensions:12.8 × 12.8 × 5.9 inches
- Materials:Galvanized steel and aluminum alloy
Our verdict“Choose this for basic, fixed exhaust in a smaller greenhouse if you can provide the required wiring and do not need speed control.”
Amico 12″ Shutter Exhaust Fan with Thermostat
The Amico combines high listed airflow with eight speed settings, making it the most adjustable exhaust pick among these five. Its 1,282 CFM rating edges the iLIVING 16-inch model’s 1,200 CFM, while the brushless DC motor is listed at 25 W; the VEVOR 10-inch fan uses a simpler single-speed design but avoids the Amico’s thermostat probe placement constraint. Automatic gravity louvers and a thermostat suit growers who want temperature-led ventilation without manually switching speeds. At a listed 50 dB, it is also quieter on paper than the iLIVING 16-inch model. Installation still requires a wall or window opening, and the probe wire is only 3 feet long, which can limit where the controller senses temperature.
Pros:- Eight speed settings allow finer airflow adjustment than the three-speed iLIVING models listed here.
- Thermostat and automatic gravity louvers support temperature-led operation.
- Listed airflow of 1,282 CFM exceeds the iLIVING 16-inch fan’s 1,200 CFM.
- Brushless DC motor is listed at 25 W.
Cons:- Installation requires cutting a wall or window opening.
- The 3-foot thermostat probe wire limits sensor placement.
- Its listed 50 dB noise level may still be noticeable in quiet growing spaces.
Best for: Greenhouse owners who want thermostat-led exhaust with multiple speed steps and can place the temperature probe near the fan.
Not ideal for: Growers who cannot cut a wall or window opening or need to locate the thermostat probe more than 3 feet away.
- Airflow:1,282 CFM
- Fan size:12 inches
- Coverage area:Up to 1,600 sq. ft.
- Motor:25 W brushless DC
- Speed settings:8
- Voltage:120 V
- Noise level:50 dB
- Mounting:Wall mount
- Materials:Galvanized steel frame; aluminum blades
Our verdict“Choose the Amico for adjustable, thermostat-controlled exhaust when its short probe wire and fixed installation fit your greenhouse.”
iLIVING 18″ Wall-Mounted Shutter Exhaust Fan with Thermostat and Variable Speed Controller, Silver
For a large greenhouse, the iLIVING 18-inch puts 1,736 CFM of exhaust capacity ahead of the smaller fans in this batch. It is rated for spaces up to 2,600 sq. ft., compared with 1,600 sq. ft. for the Amico 12-inch, giving it a clearer role when the growing area needs substantial air exchange. The thermostatic controller and automatic shutters support temperature-responsive operation, and the brushless motor pairs with a listed draw of 97 W. Its three speeds are less precise than the Amico’s eight, though the larger stated coverage may matter more than fine tuning in a broad space. This remains a fixed wall installation, and the listed noise level below 65 dB may be audible in work areas.
Pros:- 1,736 CFM airflow is the highest among the five products reviewed here.
- Listed coverage reaches up to 2,600 sq. ft.
- Thermostat controller and automatic shutters support temperature-responsive exhaust.
- Brushless motor and galvanized steel and aluminum construction suit ongoing operation.
Cons:- Three speeds provide less adjustment than the Amico 12-inch fan’s eight.
- Wall mounting requires a fixed installation and suitable opening.
- Noise is listed as below 65 dB, which may still be noticeable indoors.
Best for: Owners of large greenhouses or commercial growing spaces who need high exhaust capacity and thermostat control.
Not ideal for: Small greenhouse operators who need quiet, portable ventilation or fine-grained speed adjustment.
- Airflow:1,736 CFM
- Coverage area:Up to 2,600 sq. ft.
- Fan diameter:18 inches
- Speeds:3
- Motor:Brushless
- Voltage and power:115 V; 97 W
- Air speed:1,075 RPM
- Noise level:Below 65 dB
- Certification:UL listed
Our verdict“Choose this for a large greenhouse that needs high-capacity, thermostat-controlled exhaust and has a suitable wall installation.”
CAMMOO 20 Inch Exhaust Fan, 4000 CFM, with Temp Humidity and Speed Control
The CAMMOO 20-inch pairs 4,000 CFM with temperature and humidity controls, so it suits larger greenhouses where ventilation needs change with conditions. Its touchscreen can manage up to three fans and offers 10 speed settings, giving it finer control than the simpler three-speed Ehiair 10-inch. The 70-watt EC motor is a relatively efficient choice for sustained operation, while automatic shutters help keep debris out when the fan is idle. The tradeoff is a more involved setup and interface: growers seeking a basic exhaust fan may find the controller excessive, and this unit needs a corded power source. I’d choose it for a larger space or coordinated multi-fan setup, rather than a small greenhouse that needs modest, straightforward airflow.
Pros:- 4,000 CFM airflow suits substantial ventilation needs
- Temperature and humidity controls can automate response to changing greenhouse conditions
- Touchscreen manages up to three fans with 10 speed settings
- EC motor uses 70 watts and automatic shutters help block debris when off
Cons:- Touchscreen controls add complexity compared with a basic manual switch
- Corded electric operation requires a suitable power source
- Its airflow and multi-fan controls may be excessive for a small greenhouse
Best for: Greenhouse growers managing heat and humidity across a larger space or coordinating up to three fans
Not ideal for: Small-greenhouse owners who want a basic switch-controlled fan or lack a suitable corded power source
- Airflow:4,000 CFM
- Fan size:20 inches
- Motor:EC brushless
- Power:70 watts, 120 volts
- Speed settings:10
- Blades:3 aluminum blades
- Frame:Galvanized steel
- Controller:6-inch touchscreen; manages up to 3 fans
Our verdict“Choose the CAMMOO when you need high airflow and centralized climate control for a larger greenhouse.”
VEVOR 16 Inch Shutter Exhaust Fan, Wall Mounted with Automatic Louvers, 2438 CFM, AC Motor, Steel Housing
The VEVOR 16-inch shutter fan offers a practical middle ground: its 2,438 CFM is more suited to a mid-size greenhouse than the 890 CFM Ehiair 10-inch, without the CAMMOO’s touchscreen climate system. Automatic louvers close when the fan stops, helping limit rain and debris entry through the wall opening. Its steel housing and prewired cord also make the installation proposition relatively simple, though the description does not include a speed controller. That omission matters if you want to adjust airflow as temperatures shift; the listed 1500 r/min speed does not offer the CAMMOO’s 10 selectable settings. At 65 dB, it may also be noticeable near a work or sitting area. I’d favor it when basic exhaust capacity and shutters matter more than automated control.
Pros:- 2,438 CFM provides more exhaust capacity than the listed 10-inch fans
- Automatic louvers close to help block rain and debris
- Steel housing is suited to damp environments
- Prewired power cord simplifies the electrical setup
Cons:- Speed controller is not included
- Listed 65 dB noise level may be noticeable in a quiet greenhouse
- Plastic blades may be less durable than metal alternatives
Best for: Growers with a mid-size greenhouse who want wall-mounted exhaust and automatic louvers without an advanced controller
Not ideal for: Buyers who need quiet operation, included speed adjustment, or precise automated climate control
- Airflow:2,438 CFM
- Fan size:16 inches
- Motor:AC
- Power:115 watts, 120 volts
- Speed:1500 r/min
- Noise:65 dB
- Blades:3 plastic blades
- Mounting and housing:Wall mount; alloy steel and aluminum
Our verdict“Pick the VEVOR for mid-size greenhouse exhaust when automatic shutters matter more than adjustable or automated speed control.”
Ehiair 10” Shutter Exhaust Fan with Thermostat & Remote Control
For a compact greenhouse where fan noise could disturb nearby work, the Ehiair 10-inch combines 890 CFM with a listed noise level of 40 dB or less. Its thermostat covers 32°F–140°F, and the remote can operate from up to 66 feet away, letting a grower make adjustments without walking to the wall-mounted unit. Compared with the larger VEVOR 16-inch, it moves substantially less air, so this is a fit for more modest ventilation needs rather than a large structure. Its three speed settings also give less granular adjustment than the CAMMOO’s 10. Galvanized steel, aluminum blades, and automatic shutters suit a fixed installation, but the required wall cutout makes placement a commitment. I’d choose it for quiet, controlled airflow in a smaller growing space.
Pros:- Listed airflow of 890 CFM suits modest ventilation needs
- Noise level is specified at 40 dB or less
- Thermostat range of 32°F–140°F supports automatic temperature response
- Remote works up to 66 feet away and shutters close when idle
Cons:- Three speed settings provide less adjustment than the CAMMOO’s 10
- Wall installation requires a specific cutout
- 890 CFM may be insufficient for a large greenhouse
Best for: Small-greenhouse growers who want thermostat control and remote operation in a quieter wall-mounted fan
Not ideal for: Owners of large greenhouses who need high-volume exhaust or flexible multi-fan speed control
- Airflow:890 CFM
- Fan size:10 inches
- Power:36 watts, 120 volts
- Speed:1600 RPM; 3 settings
- Noise:≤40 dB
- Thermostat range:32°F–140°F
- Remote range:66 feet
- Materials:Galvanized steel and aluminum
- Certification:ETL
Our verdict“Choose the Eh iair for a smaller greenhouse where quiet operation, thermostat control, and remote access are priorities.”
Simple Deluxe 18 Inch Industrial Wall Mount Fan, 3-Speed High Velocity Metal Fan (Black)
The Simple Deluxe 18-inch is the lineup’s choice for moving air around plants or work areas, rather than exhausting it through a shuttered wall opening. Its adjustable 360-degree tilt and three speeds help direct airflow where heat or stagnant air collects, and its listed high setting reaches 4,000 CFM. That makes it a different tool from the VEVOR 16-inch, which is designed to expel air and has automatic louvers to close off the opening. The Simple Deluxe has a metal build, a powder-coated grille, and a dual-ball-bearing PSC motor, but it does not include a remote and must be controlled manually. It can mount on a wall or ceiling, though its 12.7-pound weight deserves attention when selecting a mounting point. Choose it for circulation; pair exhaust needs with a shutter fan.
Pros:- Up to 4,000 CFM on high for strong air movement
- 360-degree tilt helps direct airflow around the greenhouse
- Three speeds allow basic output adjustment
- Powder-coated steel construction and dual-ball-bearing motor
Cons:- Does not provide the automatic shuttered exhaust function of the VEVOR
- Manual controls only; no remote is included
- At 12.7 pounds, it needs a suitable wall or ceiling mounting point
Best for: Greenhouse owners who need adjustable circulation aimed at specific plant rows or work areas
Not ideal for: Buyers seeking a dedicated wall exhaust fan with automatic shutters or hands-off thermostat control
- Airflow:Up to 4,000 CFM; 3,000 low, 3,500 medium, 4,000 high
- Blade length:18 inches
- Motor:PSC with dual ball bearings
- Power:110 watts, 115 volts
- Speeds:3
- Noise:45–60 dB
- Mounting:Wall or ceiling
- Weight:12.7 pounds
- Power cord:6 feet
Our verdict“Choose the Simple Deluxe to circulate and aim air within a greenhouse, and use a shutter exhaust fan when you need to vent air outdoors.”
Windigaga 10″ Shutter Exhaust Fan with Thermostat and Remote
The Windigaga 10-inch covers the same basic airflow tier as the Ehiair 10-inch, with 890 CFM, a 36-watt draw, and a thermostat spanning 32°F–140°F. Its differentiator is the 18-hour timer alongside auto on/off and remote control, which suits growers who want scheduled ventilation as well as temperature response. It also lists sound-absorbing padding and operation as low as 40 dB, making it a quiet option for a small greenhouse. The tradeoff is capacity: unlike the 2,438 CFM VEVOR or 4,000 CFM CAMMOO, this 10-inch model is for modest airflow needs. The wall cutout requirement also makes it less convenient to relocate. I’d pick it over the Eh iair when timer scheduling is the deciding feature, while checking that 890 CFM fits the space.
Pros:- 890 CFM airflow with a 36-watt rating
- Thermostat auto mode and remote support hands-off adjustments
- 18-hour timer enables scheduled operation
- Automatic shutters and listed operation as low as 40 dB
Cons:- 10-inch size and 890 CFM limit suitability for larger greenhouses
- Wall cutout is required for installation
- Three speed settings offer less fine control than the CAMMOO
Best for: Small-greenhouse growers who want thermostat automation, remote access, and scheduled run times
Not ideal for: Growers ventilating a large structure or anyone unable to make a wall cutout
- Airflow:890 CFM
- Fan size:10 inches
- Power:36 watts, 120 volts
- Speed:1600 RPM; 3 settings
- Noise:As low as 40 dB
- Thermostat range:32°F–140°F
- Timer:Up to 18 hours
- Materials:Galvanized steel and aluminum
- Certification:cETLus
Our verdict“Choose the Windigaga for a small greenhouse where timer scheduling adds value to thermostat and remote control.”
iLiving 12″ Wall Mounted Shutter Exhaust Fan with Thermostat and Variable Speed Controller
The iLiving 12-inch pairs a built-in thermostat with variable speed control, so growers can respond to rising heat without relying on a fixed-speed exhaust setup. Its listed 960 CFM suits a mid-size greenhouse where moving warm, moist air matters more than gentle canopy circulation. Compared with the iLIVING 20-Inch Shutter Exhaust Fan, this model has far less listed airflow and is a better fit for smaller spaces; the 20-inch fan is the stronger option for large structures, but it also draws more power and is listed at 69 dB. This 12-inch unit is listed below 65 dB and uses corrosion-resistant galvanized steel and aluminum. The tradeoff is installation: it requires hardwiring, so it is less convenient than the plug-and-play Amico 10-inch.
Pros:- Thermostat and variable speed control support responsive heat management
- 960 CFM is suited to substantial exhaust needs in a mid-size space
- Galvanized steel and aluminum are intended to resist corrosion
- Listed noise level below 65 dB is lower than the iLIVING 20-inch model’s 69 dB
Cons:- Requires professional electrical hardwiring
- Its 960 CFM capacity is limited for large greenhouses
- Industrial styling may not suit every residential setup
Best for: Greenhouse growers with a permanent wall opening who want thermostat-led exhaust control for a mid-size space
Not ideal for: Renters or growers who need a plug-in installation, or operators ventilating a large greenhouse that needs more than 960 CFM
- Airflow:960 CFM
- Listed coverage:1,400 sq ft
- Controller:Thermospeed variable speed controller and thermostat
- Voltage:115 V
- Power:65 W
- Speed:1,650 RPM
- Noise level:< 65 dB
- Mounting:Wall mount
Our verdict“Choose this for a permanently installed, thermostat-controlled exhaust fan in a mid-size greenhouse; choose the iLIVING 20-inch for substantially greater airflow.”
Amico 10″ Shutter Exhaust Fan with Remote, 9-Speed 13W DC Motor, 1000 CFM
The Amico 10-inch stands out for combining a listed 1,000 CFM with a 13 W DC motor and plug-and-play installation. That makes it a flexible exhaust choice for growers who want to avoid hardwiring, while the remote, nine speeds, and timer provide more adjustment options than the simpler controls on the iLiving 12-inch. Its stated 42 dB operation is also quieter than the iLiving’s listed level of under 65 dB. The comparison comes with a fit tradeoff: the Amico requires a specific wall cutout, so check the opening before planning installation. Its remote adds convenience but is another component that could fail. This is an exhaust fan, unlike the small VIVOSUN AeroWave D4, which is designed for localized air circulation and cannot replace wall ventilation.
Pros:- Listed 1,000 CFM airflow from a 13 W DC motor
- Nine speeds and an eight-hour timer are controlled by remote
- 42 dB listed noise level suits quieter residential settings
- Plug-and-play design avoids hardwiring
Cons:- Requires a specific wall cutout size
- Remote control adds a component that may need replacement
- Less suited to growers who need an integrated thermostat like the iLiving 12-inch provides
Best for: Greenhouse owners who need wall exhaust with low listed power use and want remote speed control without hardwiring
Not ideal for: Growers whose wall cannot accommodate its required cutout or who prefer controls mounted directly on the fan
- Airflow:1,000 CFM
- Fan size:10 inches
- Motor:DC, 13 W
- Noise level:42 dB
- Speeds:9
- Voltage:120 V
- Control:Remote with 8-hour timer and power-off memory
- Mounting:Wall mount
Our verdict“Pick the Amico for quiet, low-power wall exhaust with remote control, provided its cutout fits your greenhouse wall.”
VIVOSUN AeroWave D4 Grow Tent Clip Fan (4-inch, 1-Pack)
The VIVOSUN AeroWave D4 serves a different greenhouse need from the shutter exhaust fans: its 85 CFM output is for moving air around plants, not expelling greenhouse heat and moisture through a wall. Its compact size, 35 dBA listed noise level, and clip, hook, or flat-surface mounting make it useful for a small grow tent or a targeted spot among foliage. Compared with the Tonree 2-Pack 5.5-inch Clip Fan, the D4 gives growers flexible mounting and a smaller footprint, while Tonree supplies two fans and lists much higher combined airflow. That stronger circulation may suit more positions, but the Tonree also needs a USB power source. The D4’s own limitation is clear: 85 CFM is not a substitute for exhaust ventilation in a greenhouse with significant heat buildup.
Pros:- Compact 4-inch size fits tight grow tent spaces
- 35 dBA listed noise level supports quiet operation
- Clip, hook, magnetic, and flat-surface mounting options offer placement flexibility
- Adjustable airflow angle and speed memory help maintain a chosen setup
Cons:- 85 CFM is inadequate as primary ventilation for a large greenhouse
- Magnetic mounting requires a separate iron plate
- USB power requires a compatible source nearby
Best for: Indoor growers adding quiet, localized circulation to a compact tent or a small section of greenhouse canopy
Not ideal for: Growers seeking to exhaust hot, humid air or circulate air across a large greenhouse
- Airflow:85 CFM
- Fan size:4 inches
- Speeds:3
- Maximum speed:3,500 RPM
- Noise level:35 dBA
- Power:USB (5 V), 4 W
- Mounting:Clip, hook, magnetic, or flat surface
- Weight:0.23 kg
Our verdict“Choose the D4 for quiet, targeted canopy circulation in a small growing space, not for greenhouse exhaust.”
Tonree 2-Pack 5.5″ Grow Tent Clip Fan with Brushless Motor
The Tonree two-pack is for moving air at plant level: the pair of clip fans can cover two canopy positions without adding a wall opening or replacing an exhaust fan. Each fan is listed at 520 CFM, and 360-degree rotation makes it easier to aim circulation around foliage as the layout changes. Against the single VIVOSUN AeroWave D4, Tonree offers two larger fans and higher stated airflow, while the D4 is smaller and lists quieter operation at 35 dBA. Tonree lists noise below 40 dB, but airflow figures for clip fans should not be treated as equivalent to wall exhaust capacity. The IPX5 rating and long USB cables suit damp growing areas, although the fans still need a 5 V USB power source and their plastic construction may be less robust in feel than metal-bodied ventilation equipment.
Pros:- Two fans allow circulation from separate positions
- Each fan is listed at 520 CFM with three speed settings
- 360-degree rotation supports directional airflow
- IPX5 rating and nine-foot cords suit damp indoor growing setups
Cons:- USB power is required and no battery is included
- Plastic construction may feel less durable than metal ventilation fans
- Clip-fan circulation does not replace wall-mounted exhaust
Best for: Growers who want two adjustable circulation points around a tent canopy or greenhouse benches
Not ideal for: Anyone needing to remove heat and humidity from the greenhouse, or lacking convenient USB power
- Quantity:2 fans
- Fan size:5.5 inches
- Airflow:520 CFM
- Motor:Brushless
- Speeds:3
- Rotation:360°
- Power:USB Type-A (5 V/1 A), 5 W
- Water resistance:IPX5
- Cord length:9 ft
Our verdict“Choose the Tonree pair to circulate air at two canopy locations, while keeping a separate exhaust fan for heat and moisture removal.”
iLIVING 20-Inch Wall-Mounted Shutter Exhaust Fan with Thermostat and Variable Speed Controller
When a greenhouse needs substantial air exchange, the iLIVING 20-inch brings the highest listed exhaust capacity in this batch: 3,368 CFM, with coverage stated up to 5,000 square feet. Its thermostat control, three speeds, and automatic shutters support hands-off heat management at a scale the iLiving 12-inch, with 960 CFM, is not designed to match. The larger fan also asks more of the installation and the growing environment: it is a 26-pound wall-mounted unit, draws 253 W, and is listed at 69 dB. Compared with the remote-controlled Amico 10-inch, it is far more suited to a large permanent installation, but less convenient for a small greenhouse or a plug-in setup. Check the wall and power arrangements before choosing it.
Pros:- 3,368 CFM listed airflow addresses large-space exhaust needs
- Thermostat, three speeds, and automatic shutters support temperature management
- Galvanized steel frame and aluminum shutters and blades
- UL/cUL listed and includes OSHA-compliant wire guards per product data
Cons:- Listed noise level is 69 dB
- At 26 pounds, it requires a suitable wall installation
- 253 W draw is substantially higher than the Amico 10-inch’s listed 13 W
Best for: Owners of large, permanently installed greenhouses who need high-capacity thermostat-controlled exhaust
Not ideal for: Small greenhouse operators, noise-sensitive sites, or growers who need portable or plug-in ventilation
- Airflow:3,368 CFM
- Listed coverage:Up to 5,000 sq ft
- Fan diameter:20 inches
- Temperature control range:32–130°F
- Speeds:3
- Power:253 W
- Voltage:115 V
- Noise level:69 dB
- Mounting:Wall mount
Our verdict“Choose this model for a large greenhouse that needs high-volume wall exhaust and can accommodate its noise, power draw, and installation requirements.”
How We Picked
I compared the 15 options by their usefulness for greenhouse airflow, separating wall-mounted shutter exhaust fans from circulation fans designed for tents or localized air movement. Within each group, I weighed stated airflow, fan diameter, control options, housing and louver details, and how much installation the format implies. Thermostats and variable speed controls can help adapt ventilation to changing conditions, while remote controls can make adjustment easier when a fan is mounted out of reach.
The ranking favors products that appear more adaptable to whole-greenhouse exhaust, with the iLIVING 16-inch at the top for its combination of size and controls. Larger models rank well for spaces that can use their capacity, but they may be excessive for small structures or difficult openings. Compact shutter fans and clip fans serve narrower needs, so their positions reflect their fit rather than a claim that they can replace a larger exhaust system. Product specifications are manufacturer-stated; actual airflow depends on the greenhouse and installation.
| greenhouse ventilation fan | Mounting |
|---|---|
| VIVOSUN AeroWave E6 Gen2 Grow | Clip-on |
| iLIVING 16-Inch Wall-Mounted S | — |
| VEVOR 10-inch Shutter Exhaust | Wall mount |
| Amico 12" Shutter Exhaust Fan | Wall mount |
| iLIVING 18" Wall-Mounted Shutt | — |
| CAMMOO 20 Inch Exhaust Fan | — |
| VEVOR 16 Inch Shutter Exhaust | — |
| Ehiair 10” Shutter Exhaust Fa | — |
| Simple Deluxe 18 Inch Industri | Wall or ceiling |
| Windigaga 10" Shutter Exhaust | — |
| iLiving 12" Wall Mounted Shutt | Wall mount |
| Amico 10" Shutter Exhaust Fan | Wall mount |
| VIVOSUN AeroWave D4 Grow Tent | Clip, hook, magnetic, or flat surface |
| Tonree 2-Pack 5.5" Grow Tent C | — |
| iLIVING 20-Inch Wall-Mounted S | Wall mount |
Factors to Consider When Choosing Greenhouse Ventilation Fans
Choosing a greenhouse fan starts with the airflow job you need done. Decide whether you need to exhaust warm air, circulate air around plants, or use both approaches, then match the fan to your structure and control preferences.
Choose Exhaust or Circulation First
A wall-mounted shutter fan moves air out of the greenhouse, while a clip or high-velocity fan moves air around within it. Those jobs can complement each other, but they are not interchangeable. A circulation fan may reduce stagnant pockets near foliage without removing the greenhouse’s warm, humid air. An exhaust fan needs a path for replacement air to enter, so a tightly sealed structure can limit its effect. Commonly, buyers focus on fan size before identifying the airflow problem; start by noting where heat or still air collects. If conditions call for both air exchange and more even movement, plan for separate fans.
Match Capacity to the Greenhouse and Its Openings
Compare a fan’s stated airflow with the greenhouse volume and the size of the intake openings that will supply replacement air. A larger fan can move more air on paper, but undersized or obstructed inlets may restrict the system. Greenhouse shape, internal benches, screens, and ducting can also affect how freely air moves. Avoid choosing solely by diameter or the largest CFM figure on a listing. A fan that is too powerful for a small structure may be harder to control, while an undersized one may struggle during hot weather. Treat manufacturer airflow figures as a starting point and account for the complete airflow path.
Decide How Much Automation You Need
A thermostat can switch or regulate ventilation around temperature conditions, while variable speed gives you more control over airflow. Humidity sensing adds another input, though it does not replace checking how your plants and structure respond. Remote controls are convenient when the unit is mounted high or is difficult to reach. More controls can make a fan easier to adapt, but they also add setup steps and features to understand. Before buying, check whether the advertised control is integrated, included separately, or limited to particular functions. If you prefer manual operation, a simpler model may be easier to manage.
Check the Mounting Plan Before You Buy
Shutter exhaust fans need a suitable wall opening and enough space for the unit, its louvers, and safe electrical installation. Check the listed dimensions against the intended mounting location rather than relying on the nominal fan diameter. Metal housing may suit a fixed installation, but it does not by itself establish weather protection or corrosion resistance. Clip fans avoid cutting a wall, though their reach and mounting points may limit where they can be placed. Review the product’s installation requirements and greenhouse materials before committing to a format. A fan that cannot be mounted securely will not deliver its intended airflow reliably.
Plan for Noise, Power, and Ongoing Care
Fan noise can matter in a greenhouse attached to a home or used for long periods, but specifications do not always make direct comparisons easy. Speed controls can help reduce output when full ventilation is unnecessary, which may also affect noise and power use. Check the motor type and electrical requirements against your setup, especially if you are comparing a low-wattage DC model with larger exhaust fans. Louvers, guards, and blades may collect dust or plant debris, so consider whether the unit will be accessible for cleaning. Do not assume that an automatic louver or thermostat removes the need for periodic inspection. A practical choice is one you can operate and maintain where it will be installed.
Know When to Add a Second Fan
One fan may handle a small structure’s main exhaust point, while a larger greenhouse can have uneven airflow from end to end. Adding circulation can help move air through corners and around dense plant growth, but it will not solve a lack of exhaust capacity. Multiple exhaust fans may help in a larger setup if intake openings and electrical capacity can support them. Consider the placement of doors, vents, and plant rows before adding equipment. Avoid placing every fan near the same area and expecting balanced conditions throughout the greenhouse. Map the likely air path first, then add units where they address a distinct gap.
Frequently Asked Questions
Can a clip fan ventilate a greenhouse on its own?
A clip fan can circulate air within a greenhouse, but it does not remove air from the structure. That makes it useful for reducing stagnant pockets around plants, especially in compact growing areas. If your main problem is heat or humidity building up, you will likely need an exhaust path as well. Pairing circulation with a shutter exhaust fan addresses two different parts of airflow. Choose a clip fan alone only when internal movement is the goal and the greenhouse already has adequate air exchange.
How do I choose between a 10-inch, 16-inch, and 20-inch exhaust fan?
Start with greenhouse volume, available wall space, intake openings, and the airflow problem you are trying to solve. The fan diameter offers a rough size comparison, but stated CFM and the installation conditions matter too. A 20-inch model may be suited to a larger structure, yet its capacity can be excessive if the greenhouse is small or lacks sufficient intake area. A 10-inch unit may fit a smaller opening, but check whether its stated airflow meets your needs. Compare the full airflow path instead of selecting by diameter alone.
Is a thermostat worth choosing over manual fan control?
A thermostat can reduce the need to switch a fan on and off by hand as temperatures change. It is especially useful when the greenhouse is unattended for parts of the day or conditions shift quickly. Manual control may suit growers who check the space often and want direct control over when ventilation runs. Variable speed can offer a middle ground by letting you adjust output without relying entirely on automatic operation. Check the control range and how the thermostat is set before treating automation as a fit for your routine.
Do I need an intake vent if I install an exhaust fan?
Yes, an exhaust fan needs replacement air to enter the greenhouse for air to move through it. If intake openings are too small, blocked, or poorly positioned, they can restrict the fan’s performance. That may leave parts of the greenhouse with weak air movement even when the fan is running. Plan intake locations as part of the same system, and keep them clear of plants, screens, or stored items that could impede flow. The right opening size depends on the fan and greenhouse, so check the product guidance and your structure’s layout.
Can I rely on a fan’s stated CFM to predict greenhouse temperature?
CFM is a useful way to compare stated airflow, but it cannot predict a specific greenhouse temperature by itself. Heat gain, sunlight, outdoor conditions, vents, obstructions, and fan placement all shape the result. A fan with a high listed CFM can still be limited by a poor intake path or a restrictive installation. Use the specification to narrow your choices, then consider the greenhouse as a complete system. Temperature monitoring after installation can show whether your setup needs a different fan speed, better intake, or added circulation.
Conclusion
For most buyers seeking a wall-mounted exhaust option with useful control features, I would start with the iLIVING 16-inch as the best overall choice. The VEVOR 10-inch is a more compact value pick for buyers whose space and airflow needs suit its smaller format, while the CAMMOO 20-inch is the premium-sized option for larger greenhouses that can use its stated capacity and controls. Beginners may find a thermostat-equipped shutter fan easier to manage than a manually adjusted circulation fan, provided the installation fits their structure. For localized airflow, choose a VIVOSUN or Tonree clip fan; for a small exhaust setup with extensive speed adjustment, consider the Amico 10-inch DC model. Match the fan to the airflow job, opening, and greenhouse size before deciding.
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