40 evaporative coolers lost out to 10 DAWANGFAN industrial ventilation fans? The inside story of a f
Two years ago, a major foreign-invested manufacturing company, in order to address the issue of stifling heat in its workshops, procured all at once… 40 Evaporative air cooler. At the time, this solution was the mainstream choice in the industry. — The investment in equipment is substantial, and operations and maintenance are kept up to par, clearly demonstrating the customer’s strong emphasis on the employees’ working environment.
Unfortunately, after two summers of operation, this batch of air coolers has gradually… “ Step back to a secondary role ” Today, more of them remain idle. It’s not that the equipment is faulty; rather, the issue lies in the mismatch between the equipment and the intended use cases.
Why are air coolers used in this type of workshop? “ Can't muster any strength. ”?
Evaporative air coolers rely on water‑curtain evaporation to lower temperatures, which makes perfect sense in theory. However, when deployed in large, enclosed processing workshops, three practical challenges cannot be avoided:
• Humid day “ Malfunction ” : Southern Plum Rain Season + In the height of summer, with high humidity, evaporation efficiency is severely reduced, and the air blown out feels damp, leaving workers feeling stifled.
• Operations and maintenance are highly involved: 40 Tai means 40 Set of water circuits, 40 Install wet cooling pads and perform regular cleaning and disinfection. —— Over two years, the combined costs of labor and materials amount to an ongoing expense.
• Uneven coverage: The ductwork delivers air with significant variations in distance, within the workshop. “ It’s cool over here and hot over there. ” , poor haptic consistency.
The customer’s initial choice of this solution was reasonable; however, given the complex operating conditions in the workshop, a single piece of equipment would struggle to meet the requirements. “ To win all. ”。
10 industrial fans, each 8.5 meters in diameter: Do it “ Air circulation ” the matter
This year, during the workshop renovation, the client adopted a new approach. — No longer pursuing “ Refrigeration ” , but do it first “ Airflow ”。After the launch of 10 DAWANG FAN 8.5-meter HVLS large industrial fans:
• Perceived temperature drop 5~8℃ : Large diameter, low rotational speed, thrust 1~3 m/s Three-dimensional natural airflow accelerates sweat evaporation, lowering body temperature without reducing room temperature.
• Energy consumption has dropped significantly: 10 Total power of the unit is approximately 15kW , compared with the previous 40 Taiwan air cooler ≈44kW , the pressure on electricity usage has been significantly alleviated.
• Virtually maintenance-free: no wet pads, no water lines—daily checks are all that’s required, significantly reducing the operational and maintenance burden.
• Dual‑season operation: In winter, the reverse mode pushes warm air from the top down to the floor, helping to provide heating. “ Save a fire ”。
| Series | W.Fans Wisdom Wind Series (5-blade flagship) | ||||||||
| Model | W28 | W26 | W24 | W22 | W20 | W18 | W16 | W14 | W12 |
| Specification/Diameter (m) | 8.5 | 8 | 7.3 | 6.7 | 6.1 | 5.5 | 4.9 | 4.2 | 3.6 |
| Speed (rpm) | 10-48 | 10-52 | 10-55 | 10-60 | 10-60 | 10-70 | 10-75 | 10-75 | 10-85 |
| Full-load air volume (m ³/min) | 21800 | 18800 | 16800 | 15800 | 14800 | 11800 | 10800 | 9800 | 8900 |
| Rated power (kw) | 1.5 | 1.3 | 0.9 | 0.4 | |||||
| Noise (dB) | ≤38 | ||||||||
| Voltage (V) | 380V/220S | ||||||||
| Full-load current (A) | 3.0 | 4.6 | 3.0 | 2.0 | |||||
| Weight(kg) | 112 | 108 | 92 | 90 | 88 | 63 | 60 | 47 | 42 |
What makes this case interesting is not that… “40” Tai Bei 10 Taiwan alternative ” , but rather in Use The user is willing to conduct secondary optimization based on actual usage feedback. — This in itself is a commendable decision-making approach in multinational corporate management: test first, observe next, and adjust thereafter.
Ventilation and cooling in large manufacturing workshops have never been… “ Which device is the most powerful? ” , but rather “ Which principle best matches the operating conditions? ” . When the space is sufficiently high, personnel are dispersed, and there are numerous heat sources, Industrial hoist The approach of using a fan to stir the air throughout the venue is often more effective than… “ Peer-to-peer cooling ” More economical and more long-lasting.
















