Flow Control

By Inverter

Not able to control flow

Remote Control

Yes(Monitoring and operating control)

No (Only On & Off available)

Noise

80 dB(A) and less

100 dB(A) and more

Vibration

Very little

Very high

Efficiency

70~80%

45~55%

Size

40~60(%)

100%

Lubricant Oil

Oil-free

Needs frequent maintenance and replacement

Life

More than 20 years

5~7 years

Strength and Weakness

1. High efficiency, saving power
2. Low noise and low vibration
3. Oil-free and environment-friendly product
4. Minimized maintenance
5. Only filter exchange reusable after washing
6. Semi-permanent life

1. Low efficiency, wasting power
2. Huge noise
3. Fatal vibration can bring shorten life of building.
4. Need frequent maintenance
5. Environmental damage used oil