Our company was established in 1999,produve varies of air conditioners,especially portable air conditioner.This unit is designed to improve indoor living and working comfort by providing cooling, dehumidifying, heating, and ventilation with minimal installation. This multi-functional unit operates as an air conditioner, dehumidifier, heater, and fan. Unlike traditional portables, there is no bucket to empty. The condensate water is evaporated and removed through the exhaust duct along with the warm exhaust air.