Samsung SlimDuct SystemSmall & lightweight The Samsung DUCT S Air Conditioner is easy and convenient to install and maintain. Its exceptionally compact design reduces its volume and weight by 30% compared with conventional air conditioners. So it's much easier to handle and install, even in small spaces. Auto ESP Adjustment The Samsung DUCT S Air Conditioner's Auto ESP Adjustment function efficiently and automatically senses the external static pressure (ESP), whatever the