Portable Air Conditioner/Heater is the ideal climate control solution for when you're on the go, room to room, house to house or home to work. In addition to cooling, this versatile unit also offers Heater technology that creates energy from the air, so you can cut carbon emissions from your home up to 90 percent Feature: Use it all year long from summer to winter in bedroom, home living room, office, apartment, condo, dorm, garage, workshop and other indoor spaces. Compact-Yet-Robust unit cools spaces up to 350-500 square feet Program the unit to activate or shut off at preset times with the timerIncluded control panel puts the full set of controls at your fingertips LED display and simple selections control panel, including a mode selection button, up/down temperature adjustments, and fan speed selection Full-function panel control No bucket, no-drip design Automatic self-evaporation technology - no bucket to empty (except in some high humidity area) Auto-restart saves your settings for when power is restored to the unit