How often should we replace the HEPA filter inside?

In order to ensure purification efficiency, we highly recommend to replace the HEPA filter every 4 months.

How to choose a suitable air purifier for your space?

There are two aspects that you cannot ingore before making a purchase decision.

If you're bothered by particles like smoke, airborne dust, or pollen from flowers, it's highly recommended to get an air purifier with H13 HEPA filter.

If you're concerned about the invisible T-voc threat from a newly decorated space, air purifier with high capacity of removing T-voc like formaldehyde should be on top of your list.

Why is HEPA air purifier a little bit noisy when it's running at top speed?

Unlike electrostatic precipitator, HEPA air purifiers need motor and fan wheel to generate strong air flow and drive it through HEPA filter, which means that the sound from running motor is unavoidable. But, how to create an air purifier with balanced performance heavily relies on the areo-dynamic science, engineers' experience as well as standard production procedure.

How often should we replace the HEPA filter inside?

In order to ensure purification efficiency, we highly recommend to replace the HEPA filter every 4 months.

Should I refill my humidifier frequently?

It depends.

How to judge if my humidifer is doing a good job?

Does the humidifier automatically power off when it is out of water?

The humidifier has a water and power protection function. When the humidifier is out of water, the machine will automatically power off without dry burning.

Air purifier and air ventilator, which one is better?

How does boot dryer work?

How long will a boot dryer take to dry out my footware?

Will my footware be damaged by hot air generated by boot dryer?