01 · Wind
Air must arrive with direction and strength.
High speed matters only when the outlet design carries airflow to the face, neck and hands without harsh noise or fatigue.
Aecooly Cooling Lab
The science ofCold Air.
Aecooly studies how high-speed airflow, air-pump mist and evaporation work together to create portable heat relief you can actually feel.
70,000
RPM max rotation speed
25m/s
wind speed reference
7,000
mAh battery capacity
100
levels of fan speed
Cooling principles
Three forces shape the feeling of cold.
A portable misting fan is not only a fan with water added. It is a balance of air movement, mist delivery and evaporation, tuned for the distance and conditions people actually use it in.
02 · Mist
Mist must travel with the air, not fall out of it.
Aecooly studies mist as a delivery system, measuring output, range and surface feel together with wind.
03 · Evaporation
The cooling effect depends on the environment.
Dry heat, humid heat and outdoor sun all change how mist feels. That is why lab checks need field checks.
Air-pump mist system
Designed as one cooling path.
Cold Air is designed around a simple sequence: draw air in, drive mist into the stream, carry it to the user, then let evaporation do its work.
Engineering renders explain component relationships and airflow direction. Final production specifications and quantified performance remain subject to the verified test record.
Visible proof
Claims are measured, not merely stated.
Aecooly Cooling Lab uses simple demonstrations that customers, reviewers and media can understand at a glance.
Temperature
Before and after skin-surface checks.
Measure the same distance and same time window to show how cooling changes during use.
Dampness
Cooling without turning into soaking.
Observe surface feel after exposure, so mist cooling remains refreshing and controllable.
Distance
Useful range, not only close-up fog.
Track what happens as the user moves away from the outlet in real carrying distance.
Humidity
Lab numbers meet outdoor heat.
Compare dry heat, humid commutes and outdoor sun so cooling claims stay realistic.
Design
Cooling, shaped for one hand.
Ultra B combines the outlet, color display, water system, battery and controls in a compact vertical body.
Size5.53 × 2.48 × 1.61 in
Weight12.3 oz
ColorsDark · Almond · Blue
Fits right in
Refill. Adjust. Cool.
The supplied English guide covers the everyday tasks that make the system usable.
Wide-opening refill
Unlock the bottom cover and add purified water below the max line.
Direct touch control
Adjust speed from the color display and use the physical power control.
Removable grille
Remove the grille for cleaning; the guide shows an automatic safety lock.
Water-system care
The guide includes water tank cleaning and maintenance.
Ultra B details
Ultra B. Every angle, every detail.
Visual scale
Compact beside the things you carry.
The phone comparison communicates carrying scale without assigning an unverified dimension or weight.
From lab to street
Research continues outside the lab.
Personal cooling happens in real life: train platforms, queues, sports fields, campsites and summer travel. Aecooly studies the moments when people actually need relief.
Humid city
Short bursts of heat relief during daily movement.
Commuting, waiting and walking in humid air reveal whether cooling feels immediate and usable.
Upload visual
Outdoor use
Cooling that can be seen, felt and repeated.
Queues, festivals, sports and camping turn airflow and mist into a visible experience.
Cooling system
Air and mist, together.
Supplied PM01 atomization sequence.
For media & reviewers
Built to be tested.
Aecooly welcomes clear product questions. The Cooling Lab is designed to make core claims visible, comparable and easy to explain.
What reviewers can examine
Cold Air testing focuses on the experience buyers care about: the feeling of cooling, how far the mist travels, whether surfaces become damp, how the product sounds, and how it behaves outdoors.
Explore Cold Air UltraAirflow and outlet behavior
How wind speed and outlet geometry affect comfort distance.
Mist delivery and surface feel
How mist moves with the airflow and feels on skin or tissue.
Noise, battery and portability
How performance balances with everyday carry and charging.
Real-world heat scenarios
How the product behaves in humid commutes, outdoor queues and travel.
FAQs
Questions buyers ask before choosing a misting fan.
Short answers for customers who want to understand the technology behind Cold Air.
What is air-pump mist cooling?
Air-pump mist cooling combines driven mist delivery with high-speed airflow. Aecooly studies how mist volume, airflow direction, evaporation and user distance affect perceived heat relief.
Why does airflow matter in a portable misting fan?
Airflow moves mist across the skin and supports evaporation. A misting fan must balance wind speed, mist consistency, noise and battery life to feel useful in real-world heat.
Is more mist always better?
No. More mist can feel cooler, but it can also feel wet or waste water. The goal is controlled mist delivery that supports cooling without turning daily use into a soaking spray.
Where is a misting fan tested?
Lab conditions are useful, but real proof also includes humid commutes, outdoor queues, travel, festivals and camping where people actually need personal cooling.
Compare the family
Which Cold Air is right for you?
Official product-page values are shown in the same field order across all three products, so performance, runtime and everyday use are easier to compare.
Cold Air Ultra
Flagship performance.
CoolingUp to 18°F / 10s
Wind speed25m/s
Motor70,000 RPM
Battery7000mAh · up to 10h
Charging2.5h
Noise≤65dB · low speed
ControlsColor touch · 100 levels
Size5.53 × 2.48 × 1.61 in
Weight12.2 oz
Mist runtimeUp to 8 min/refill
Cold Air Ultra B
High-performance core.
CoolingUp to 18°F / 10s
Wind speed25m/s
Motor70,000 RPM
Battery6000mAh · up to 8.5h
Charging2.5h
Noise≤65dB · low speed
ControlsColor touch · 100 levels
Size5.53 × 2.48 × 1.61 in
Weight12.3 oz
Mist runtimeUp to 8 min/refill
Cold Air
Everyday long runtime.
CoolingUp to 14.4°F / 10s
Wind speed9.5m/s
Motor12,000 RPM
Battery4500mAh · up to 20h
Charging3h
Noise≤51dB · low speed
Controls5 speed levels
Size6.02 × 2.50 × 2.05 in
Weight10.1 oz
Mist runtimeUp to 8 min/refill
Values are transcribed from the official product pages. Cooling, runtime and wind-speed claims should retain the test conditions and disclaimers used on those pages.
Aecooly Cold Air
Feel the research.
Explore the portable misting fan shaped by Aecooly’s work in wind, air-pump mist and personal cooling.