11 best blower fans with variable speeds

Product description

Product Description

An inline fan for duct boosting designed to improve airflow in heating and air conditioning applications, and ventilate home rooms like attics, workshops, bathrooms, and kitchens. Each fan uses an easy-to-use knob controller that adjusts fan speed for your specific airflow boosting needs. It features a unibody framework that helps reduce vibration and ensures smooth and low-resistant airflow. The matte black steel cylinder is fluted and ridged for easy and secure installation in-between ducting. Permanently lubricated dual ball bearings spin the balanced steel blades and allow the fan to be mounted in any orientation. This kit includes one AC powered inline booster duct fan, a speed controller with a power plug, mounting screws, and a cable management set.

Speed Controller

The inline variable speed controller can control the fan’s speed and turn it on or off. Turning the knob will increase or decrease the fan speed and optimize airflow and noise levels for your application. Its speed range includes a low, medium and high threshold, producing up to 106 CFM and 28 dBA in noise. This speed controller uses a female aviation plug with a metal retainer, tightly securing its connection to the booster duct fan.

Applications

This versatile inline booster fan is made to be installed in between ducting for various applications that need improved air delivery. In households, it boosts airflow from HVAC units to remove stale air and odor, ventilating attics, workshops, kitchens, basements etc. In grow tents, grow rooms, and indoor gardens, it’s primarily used as an intake fan to bring in fresh air. Please note this booster fan cannot be used standalone in high static pressure applications like room ventilation. Additionally, it is not suitable for use in applications with restricted airflow like systems that use carbon filters. For higher performance, see the CLOUDLINE Series.

• A duct fan designed to boost airflow in HVAC systems and ventilate home spaces like attics and workshops.
• Features a variable fan speed controller, enabling you to optimize airflow and noise level for any application.
• Unibody die-cast construction with no welded seams; reduces vibration while ensuring smoother airflow.
• AC brushless motor with steel blades and lubricated bearings; not suitable in restricted airflow applications.
• Duct size: 4” | Dimensions: 7.28 x 3.95 x 3.95 in. | Airflow: 106 CFM | Noise: 28 dBA | Bearings: Dual Ball

User questions & answers

Question:	Would this product be able to run dual voltage of at least
Answer:	If you don't mind the loud beep every time it turns on or off. My unit has an issue where it does this constantly.
Question:	I want to build a small airbrush box and looking for a very quiet fan. Would this be powerful enough to pull in the spray paint through a filter
Answer:	about 6-8 feet long
Question:	Besides price and how they look, how are Raxial units different from Cloudline
Answer:	I don't think it comes apart
Question:	Can you add a carbon filter
Answer:	No, we did not face any issues with smell. It's excellent! Even Oprah uses this same model :-) Hope you too enjoy it.

Product features

Premium Solid Steel Body

This booster fan boasts a matte black aesthetic that expresses the heavy-gauge construction and its high quality. The galvanized steel body has no folded seams, enabling the fan to perform with low noise and no rattling. It also features crimped ridges on the exhaust end for a tight, secure grip on your flex or rigid ducting.

Speed Controller

All models include a speed controller to optimize airflow and noise. The soft rotating knob provides ease of use and quick responses to changing conditions.

High Performance Motor

Uses an AC motor that spins smoothly and relatively silent. Capable of high airflow boosting in applications like active intake for grow tents.

Long-Lasting

Features a 67,000 hour lifespan, using balanced steel blades and lubricated ball bearings that eliminates the need to maintain the fan.

Tight and Secure Lock

The aviation ports are easy to plug in and tightly secures each other using a retainer that also keeps moisture, dust and debris out.

Product description

BN-LINK exhaust variable speed fan speed adjuster is easy to adjust the speed of your fan with a single easy-to-use knob. Features: Rotary knob control with 4 options: Off, Low, Medium, and High Ultra-compact and plugs directly into an outlet Plug-and-play for easy installation1 Mounting Tab for wall mounting.

• ✓ IN CONTROL: Easily adjust the speed of your fan with a single easy-to-use knob
• ✓ SAFETY IN MIND: Grounded outlet plug-in type, no messy wires and safety outlet for your fan
• ✓ THREE SETTINGS: Variable speed options available for your fan. Change the speed and the noise to your liking
• ✓ SPECIFICATIONS: Voltage / Frequency: 120V / 60HZ; Max. Amperage: 4.8A
• ✓ NOTE: This controller does NOT adjust below 50% to avoid burning out the motor. Not suitable for Shaded Pole Motor and Brushless Motor

User questions & answers

Question:	does 600W mean it can only slow down electronics that are less than 600W? or it can slow anything down to less than 600W
Answer:	yes
Question:	can this be used to slow down a vintage desk fan
Answer:	As per the description, the unit is rated as 4.8A / 600W. As long as the 2 fans (together) don't draw more than that you'll be fine.
Question:	Can a 3 plug converter work for this as well? Say I plug a 3 outlet extension in it with 2 fans hooked into extension. Will this control both fans
Answer:	You will not have any issues if you plug this timer into the top plug. The bottom outlet will still be open for another appliance.
Question:	Will this block the 2nd plug outlet when plugged in
Answer:	I have the plus and the supreme is essentially the plus with just a few more bells and whistles.
Question:	Does this fit the nautilus cc supreme
Answer:	Yes
Question:	does this fit the S200 and hold the long blue chord that connects cleaner to base
Answer:	yes
Question:	Does this fit the dolphin premier
Answer:	Yes. That is the correct one to mount power supply
Question:	Has anyone had complete success using this model of dolphin caddy model with the dolphin supreme
Answer:	2019

Product features

Storage Made Easy

Dolphin Caddy and Cover provides a great solution for storing your cleaner when not in use or during the off-season

Light-Weight and Durable

Convenient caddy makes transporting your Dolphin a breeze and provides a secure holding place for your power supply.

Fits All Dolphin Cleaners

Caddy Cover helps shield your cleaner and power supply from harsh outside elements.

BN-LINK Fan Speed Controller for Ventilation Fans

Ultra-compact and plugs directly into an outlet, no messy wires. It can be widely used for exhaust fan, high velocity inline fan, mini blower and more. It's made of high quality material for high safety and long durability.

Simple use the dial to increase or decrease fan motor speed. Make your life easier to control your inline duct fans with the BN-LINK Fan Speed Controller!

Peace of Mind

Control your inline duct fine with ease.

Durable 3-Prong Grounded Plug

Comes with US standard plug. Plug and play!

Compact

Easy to use, easy to operate, easy to carry.

• EFFECTIVE VENTILATION: Powerful blower with a fan speed of 2550 RPM for an air flow of 390 CFM. Moves air through your target location efficiently for optimal ventilation
• LOW NOISE LEVEL: Durable plastic fan housing and blades for extremely low noise(<37 dB); Variable speed controller for easy fan speed adjustment.
• EASY INSTALLATION: Removable duct ends with locking tabs for quick removal and easy maintenance and a cord length of 5.4 feet for hassle free setup.
• VERSATILE APPLICATIONS: Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control.
• NOTE: Comes with an installation bracket indicating the direction of the airflow. Max Ambient Temp is 104℉ / 40℃

User questions & answers

Question:	Would the 4" fan work ok if I used an adapter and connected it to a 2" pipe? Would the extra resistance damage the motor
Answer:	Maybe. This is actually for a 6" duct, so that may be even more of an issue.
Question:	Would the 4" fan work ok if I used an adapter and connected it to a 2" pipe? Would the extra resistance damage the motor
Answer:	I would not reduce it that much.. buy a 2 inch fan
Question:	Do you have in 230v 60hz
Answer:	No, 120v
Question:	is it really quiet
Answer:	I have the 8" -- it is NOT quiet at all. 75dBA at a meter when set full speed; and still 68dBA when set full minimum speed. Nowhere close to the 40dBA spec they claim.

Product features

VIVOSUN 6 Inch 390 CFM Inline Duct Fan with Speed Controller

VIVOSUN inline duct fan helps with ventilation issues. This fan is built durable, runs smooth and quiet. Durable plastic fan housing and blades for extremely low noise; Variable speed controller for easy fan speed adjustment.

Features

• Diameter: 6 inch
• Power Supply: 110/120 V
• Power: 67 W
• Current: 0.55 A
• Speed: 2550 RPM
• Air Flow: 390 CFM
• Noise Level <37 dB
• Max Ambient Temp is 104℉ / 40℃.

Application Scenarios

Used as intake fan to bring fresh air into grow rooms; Also used as exhaust fan in smaller setups with LEDs or Lights under 600W.

Product description

Specification:



Material: Iron

Color: Green



★ Power: 30 Watts

Air Volume: 0.5 m³/min

Wind Pressure: 70 Pa

Speed: 2800 RPM

Weight: 1KG

Size: 15.3cm × 12cm × 17.2 cm



★ Power: 40 Watts

Air volume: 0.8 m³/min

Wind pressure: 80 Pa

Speed: 2800 RPM

Weight: 1KG

Size: 15.8cm × 12cm × 17.7cm



Package Included:

1 × Cooking BBQ Blower



PERFORMANCE INTRODUCTION:

▶ This series of centrifugal blowers has strong structure, small size, light weight, large wind and beautiful appearance.

▶ It is widely used in casual barbecues, firing, small stoves, and so on.

▶ This product is not recommended for doll houses, and the wind pressure of 70 Pa/80 Pa is not enough to support the inflation of the doll house.

Recommend professional doll house blower: Inflatable Bounce House Air Blower Commercial Pump Fan for Bouncy Castle, Jumper, Water Slide (750 Watt/1100 Watt)

• Electric blower starter for charcoal,Power source 110V to 220V,portable outdoor or indoor use.
• Variable speed control,save more charcoal.2 ways to adjust the wind speed - turn the wind hood manually or use speed controller.
• Air blower offers ample air supply for your blacksmith forge or barbeque. Lightweight, durable and affordable.
• Pure copper motor provides stable and powerful airflow and is more durable than ordinary motors.
• 30/40 watts are suitable for household use such as barbecue,small stove lit. It is recommended to use a large fan above 100W for industrial stove forging.

Product description

TOPHORT 6 inch 390 CFM Inline Duct Fan with Speed Controller

Ideal for controlling hot and humid conditions in grow tents/rooms.

This inline duct fan helps with ventilation issues. It is built durable, runs smooth and quiet. Durable plastic fan housing and blades for extremely low noise; Variable speed controller for easy fan speed adjustment.

Features

Balanced blades are ideal for boosting air supply and venting exhaust air.

Motor features a permanently lubricated bearing that operates quietly and requires no maintenance.

Solve air delivery problems without major system rework or expense.

Can be installed in any location, such as greenhouses, tents, etc.

Energy efficient & quiet operation

Lightweight & super easy to install.

Perfect for connecting with carbon filter to circulate purified air in grow tent / green house

Fluted on both ends to receive ducting

Features

Diameter: 6 inch

Power Supply: 110/120 V

Power: 70 W

Current: 0.58 A

Speed: 2400 RPM

Air Flow: 390 CFM

Noise Level <34 dB

Package Contant

1 X 6 Inch Inline Duct Fan

• BASIC PARAMETERS - Powerful blower fan speed : 2400 RPM; Air Flow: 390 CMF . Moves air through your target location efficiently for optimal ventilation
• LOW NOISE - Durable plastic fan housing and blades for extremely low noise(<34 dB); Variable speed controller for easy fan speed adjustment.
• EASY INSTALLATION: Removable duct ends with locking tabs for quick removal and easy maintenance.
• NO MAINTENANCE - Motor features a permanently lubricated bearing that operates quietly and requires no maintenance.
• APPLICATIONS - Suitable for industrial, household and horticulture ventilation applications for air clean and temperature control.

User questions & answers

Question:	How long is the cable
Answer:	30 pages and you can add more.
Question:	how humidity resistant is this, are any metal parts exposed? Has anyone used it in high humidity (90%+) environment
Answer:	Hello, the transit was within 4 days. However, we were not pleased with the size and quality so we returned it. Sorry.
Question:	How long is the cord
Answer:	The pages are a nicer construction type paper, with punch holes. There is a reinforcer for the holes, so it will not tear easily. There is no adhesive film over top!
Question:	What’s a good filter for this fan
Answer:	Hello, You can always contact us by sending us a message through Amazon and request additional pages for your wedding guest book. Thanks

Product features

TOPHORT 6 inch 390 CFM Inline Duct Fan with Speed Controller

Balanced blades are ideal for boosting air supply and venting exhaust air.

Motor features a permanently lubricated bearing that operates quietly and requires no maintenance.

Solve air delivery problems without major system rework or expense.

Can be installed in any location, such as greenhouses, tents, etc.

Energy efficient & quiet operation

Lightweight & super easy to install.

Perfect for connecting with carbon filter to circulate purified air in grow tent / green house

Inline Duct Features

-Powerful blower fan speed : 2500 RPM; Air Flow: 800 CMF.

-Diameter: 6 inch

-Power Supply: 110/120 V

-Power: 70 W

-Current: 0.58 A

-Speed: 2400 RPM

-Air Flow: 390 CFM

-Noise Level <34 dB

Durable for Long Term Use

- Excellent exhaust and intake air.

- Low noise and variable speed controller.

- Lightweight and easy to install.

- Multi-Environment.

Button Detail

-ON/OFF Key

-Three levels

•L •M •H

Versatile Application

- Grow Rooms

- Greenhouse

- Basement

- Kichen

• Total Blower Length with guard: 9.5 in. Height: 5.25 in. Depth 3.75 in. Blower size is 9" long and 5 1/4" tall. There are 4 holes to mount. They are 8" apart left to right, and 4 3/4" apart top to bottom. This optional variable speed blower can be mounted to the back of the stove using predrilled holes to improve heat circulation. Manual variable speed switch. 110V to 120V with 6' cord. 2800 RPMS. This blower set includes: 4 Mounting Hardware Screws and 1 Heat Gasket.
• Make your wood burning stove even more efficient with this blower. When you add a blower to your wood burning steel stove, heated air from the stove will be circulated better throughout your room. This blower will allow you to heat a bigger space while using less fuel, which will save you money. And a more efficient wood burning stove means that you will spend less time going outside in the cold for more firewood.
• Fits in GHP Group, Monessen/Majestic (MHSC Brands), Majestic Dutchwest Windsor, CFM US Century Plate Steel Freestanding Wood Stove Fireplace
• Fits the models including (not completed): MHSC Windsor Series plate stoves: WR1000L02, WR1500L02, WR2000L02, WR247001, WR244, WR270007, WR300007.
• ▶︎CFM: S244E, FW247001, S274E, FW27007, FW300007, CJW1000L02, CJW2000L02; ▶︎GHP: HWS-224172MH-B , HWS-224172MH-BCA , HWS-227202 , HWS-230292 , LWS-127201-B , LWS-127201-BCA, LWS-130291-B , LWS-130291-BCA

User questions & answers

Question:	Can i hook up a magnetic thermostat to this blower? (durablow mfb ts120 fireplace stove blower fan magnetic ceramic thermostat auto switch on at 120°f
Answer:	you will have to regulate the rheostat to find the right tempeture
Question:	Will this fit a Vermont Casting Dutchwest stove
Answer:	If the back of stove has a flat tin heatsinks that a 6" x 10" fan can mount on then yes it will.
Question:	What is the max intake temp
Answer:	I have no clue. It mounts to a heat shield 1 inch off the wood stove. I would say per the stove pipe thermometer to 600°
Question:	Is the CFM only 86? and how many feet from the stove can you feel the air from the stove
Answer:	I'm not sure if CFM but depending on what fan setting can you feel the heat. We're extremely happy with our fan, it helps move the heat and has different fan settings.

Product features

The Feature of Hongso Speed Variable S31105 Blower

Dims.: Total Blower Length with guard: 9.5 " Height: 5.25" Depth 3.75", Blower size: 9" long and 5 1/4" tall

Moter RPM: 2800, Airflow in C.F.M: 86

Volts: 120, 0.5 Amps, Frequency (hertz): 60

NOTE: This blower set includes: 4 Mounting Hardware Screws and 1 Heat Gasket.

Heavy-Duty Build

• Motor UL Approved
• Energy Efficient and Long Lasting

Variable Speed

• Rheostat, UL Approved
• Allows You to Control the Speed of the Blower

Quietly Boost your Fireplace’s Output

• The blower fan can boost your fireplace’s output to heat up your home faster, increasing comfort and reducing energy costs, highly efficient in maximizing airflow at lower noise
• Noise Level: 52 dB (MAX)

• Easily adjust the speed of inline duct fans to your requirement
• Save energy and control the noise levels of your fans
• Simple box design to stay out of the way and keep cords tangle-free
• Automatically protects against fan motor burnout; grounded plug for safe use
• Note:Don't use it on brushless type motors

User questions & answers

Question:	Would this be safe to use with the metal inline fan
Answer:	Any decora plate wil work if you want exactly the same color use the same brand
Question:	Can i use this with mc37v hessaire evaporative cooler? it have 3 speed but low is still too high for me
Answer:	No.
Question:	Could this be used to dim a 1000w led light
Answer:	Hi JJM, why do you say it will not? it's already rated for 120/277 Volt
Question:	I have a small cupter type fan that i cut out of one of those blow up things you put in your yard. a Christmas minion.. can i use this controller for
Answer:	15 is standard, 20 is a special order

Product description

Tired of your critical equipment hogging valuable space and having messy, tangled cords? Your solution is the Fan Speed Controller for duct and inline fans. This unit is ultra-compact and plugs directly into an outlet. You can easily adjust your fan's speed with a simple turn of a knob. iPower's Fan Speed Controller is an affordable and effective tool to improve the efficiency of your growing environment.



Features:

- Knob Control with 4 options: Off, Low, Medium, and High

- Ultra-compact and plugs directly into an outlet - no messy wires!

- Plug-and-play for easy installation

- 1 Mounting Tab for wall mounting

• iPower Fan Speed Controller will correctly and precisely adjust the speed of your duct and inline fans
• Durable 3-Pole Grounded Plug Construction, No Extra Wires to Deal With
• One control switch for 3 settings: Variable Speed, OFF, HIGH, MED, LOW
• Built-in grounded control outlet. Suitable for all Duct and inline fans. Warranty: 1 year
• Note: To avoid the risk of burning out the fan motor, controller does NOT adjust below 50%. This controller is not suitable for Shaded Pole Motor and Brushless Motor Fan

User questions & answers

Question:	Would this be able to control the speed on an angle grinder
Answer:	YES, 360 deg
Question:	will this work with a 18" 3 speed floor fan. that runs no more than 4 hrs or less at a time
Answer:	yes it will do 5-35v the pins on the back say 1 to 15v because if you solder them together that is what it will take. (Just read the sixth pic)
Question:	Where is it made
Answer:	Yes, this is what I used it for. I had 17.5v to help control several LED strip lights.
Question:	length of cord
Answer:	I'm not sure if this PWM (Pulse Width Modulation) speed controller would be able to dim LED lights, as it provided very limited speed control for my 12V DC motor (~80-100%). I ended up returning these speed controllers and went with a different PWM speed controller that provided full range speed control (0-100%) for my motors. Additionally, I'm not sure how LED lights would react to pulsed input power.

• Airflow adjustable and noise optimizable, With an AC [100-240V 50/60Hz Input] power adapter integrated a stepless speed controller [3~12V dc 2A max. output].
• Cooling and Ventilating Solution, Centrifugal force for with 42.40CFM Airflow (max.) @Speed 2800RMP (max.) Noise 61.3dB-A (max.).
• Durable and Heavy Duty, Dual ball bearings and PBT+GF housing design for a long fan life expectancy and a wide operation temperature.
• Compact and Light, 120mm (120x120x32mm) Blower Fan, Weight only 220g for the fan.
• Suitable to build your own airflow system: plants grow room, equipment closets, computer case cooling, and other DIY Projects.

User questions & answers

Question:	Does the Control box plug into a standard outlet
Answer:	I’m using it with an extension cord
Question:	Can it ne used with an extension cord
Answer:	Doesn't have a base, it has four areas for screws to attach it to whatever you need it for. Control panel is built in to the plug
Question:	Will it stand upon its base
Answer:	Yes, it's strong. Use it in my PC case and it works great.
Question:	Does it put out strong wind
Answer:	I think it should work for anything less than 600W. It works fine for my garage ceiling fan.

Product features

UTUO Centrifugal Blower Fan With Stepless Variable Speed Driver

• Apply for air circulation, air exhausting, air ventilation: cabinet,indoor plants room, mushroom, grow tent room, BBQ, Biltong box, incubator.
• Apply for computer electronics components devices cooling : Computer case, refrigerators, kegerators, Audio video equipments.

3~12V 2A Max. Stepless Dimmable AC Plug-in Adapter With Universal 5.5*2.1 Male Plug

• Input: 100-240V AC, Output: 3~12V Max. 2A Plug-in AC Adapter
• 3-12V Stepless Variable Speed Control
• Compact Size, Dimmable, On-Off Switch Function
• Universal 5.5*2.1 male output Plug

UTUO 12V 120mm Dual Ball Bearings Blower Fan With Universal 5.5*2.1 female Plug

• 42.45CFM @2800RMP (max.) 61.3dB-A (max.),Static Pressure: 41.10mm-H2O(max.)
• Dual Ball Bearings, Heavy duty build with wide working temperature from -10℃-+70℃
• 120mm compact size, light Weight ONLY 202g, Universal 5.5*2.1 DC Plug

• Small and powerful,，Perfect for DIY inflatable ,to cool amplifier ,Car Parts, Playtations, Rokus, TVs, receivers, mondems, routers, DVRs, Computers and other audio video electronics.
• Features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels.
• Dual-ball bearings have a lifespan of 50,000 hours and allows the fans to be laid flat or stand upright.
• The power adapter increases maximum fan speed and enables the fan to be powered through an AC outlet.
• 97 x 97 x 33 mm ( 3.8 x 3.8 x 1.3 in. ) | Rated Voltage :12V | Airflow: 28 ±10%CFM | Rated Current: 0.5A | Speed: 3700 RPM | Power: less than 0.8W at slowest speed

User questions & answers

Question:	the voltage is variable, does this mean the airflow is variable, what is the CFM at 120v
Answer:	the fan work at 9V , cfm is 28.7
Question:	any idea what the cfm would be if we use a 9v battery
Answer:	I'm using it at 6v and it is working perfectly for my purpose (Powered air respirator). Below 4.5v it struggles.
Question:	What in the minium dc volt operating range
Answer:	Yes, I bought it for a large inflatable snowman but it wasnt powerful enough. Probably fine for a 4 foot one.
Question:	Can it be used on a outside inflatable
Answer:	Yes, it does plug into a standard outlet.

Product description

Conditions of operation 1. The installation must be performed by professionals. 2. Please check all the fastening parts to make sure there's NO any looseness existing. 3. Please check to make sure there's NO any sundries with the motor fan, which may cause the fan damages and personal injury. 4. Please check the nameplate, wiring diagram and specification data of the fan to make sure the fan meets your application requirements before installation. 5. Please check to make sure there's NO clamping stagnation with the fan before installation. 6. Please check the rotation direction of the fan to make sure it's running in the correct direction. 7. Any reaching into the fan blade area is forbidden when the fan is running. 8. During maintenance the power supply must be cut off to ensure the safety of people and property. 9. Please avoid collision force and getting wet during the transit. Please check and maintain the fan periodically to last its service life. Warning: 1. Can not be used in coal mine wells which have methane mixed gas and coal dust explosion hazard. 2. Avoid impact or physical damage of the unit as it will cause premature failure. Should be stored at and used for those places where have no strong impact force and shock. 3. Can not be used for those places where corrosive gas or steam exist. 4. No waveform and current input allowed which may cause damage on motor enameled wire and shorten its service life. 5. Stay away from children. 6. Repairs and Maintenance Notes: Keep fan in a dry environment Do not use water or any other liquid cleaning agent, use only a clean brush or a clean dry cloth to wipe away any loose dirt or dust. Under normal operating conditions, the fan should be cleaned every six months.

• Multifunction: Use anywhere that would benefit from improved air flow to reduce humidity, clear the air and lower temperatures in grow rooms, greenhouses, basements or kitchens.
• Powerful Air Flow: Heavy hitting blower with a fan speed of 2550 RPM for an air flow of 416 CFM. Moves air through your target location efficiently for optimal ventilation.
• Variable Speed Controller: We’ve included a variable speed controller attached to the power cord, so you can adjust it to the desired airflow according to your requirements. Just install the fan, plug it in, and you are set to go!
• Quiet Operation: Quality components for quiet operation. Composite fan blades and center hub which reduces noise and vibration. Power: 140W, Voltage: 115V, Current: 1. 3A, Frequency: 60HZ.
• Package include: 1 pack 6 Inch 416 CFM Inline Duct Ventilation Fan with Variable Speed Controller.
• Power Source Type: Corded-Electric

User questions & answers

Question:	what the max temp of moving air
Answer:	I power is the best did not know at the time but buy I power
Question:	I’m wondering what the the difference with similar iPower delivering 442 cfm
Answer:	Yes, it has a variable speed controller. It’s not a very wide adjustment but it does slow down and speed up.
Question:	Can the speed be adjusted all the way to minimum
Answer:	The EC fan is more windy than the AC fan, more energy efficient, and can work in the 70V - 270V voltage range, such as work under on 110V, 115,120V, 220V, 240V ,the fan speed are the same.