Before we dive in, let me give you a heads-up right away: no, portable climate systems without exhaust hoses do NOT perform like full-fledged air conditioners running on refrigerant. But! Devices like the Saturn ST-AC2010 – often called air coolers or evaporative coolers – do have their place and do serve a purpose. In fact, this […] Post Saturn ST-AC2010 Climate System Review: Beating the Heat at Root-Nation.com.