Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:

iF SOCIAL IMPACT PRIZE (free of charge)

Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Requb / humidification dehumidifier


In case of Korea, this land have four seasons.
Specially in summer(6~9) is very humid and hot. In
the other hand it is dry during the winter(11~3). To
maintain average humidity all though the year people
have to fulfill the humidification and dehumidification
in for single space.

Humidification, Dehumidification

‘Requb’ designed to share same part of these two



Wonju, South Korea

Yongsun Kim,