The only commercial-grade room air conditioner tough enough for the most demanding applications. All of these category-leading units are designed to ensure maximum quality, ease, and control. From the 20-gauge steel cabinet and fully enclosed fan motors to the 7-day programmability and LCD control lockout, Khl's advanced design was created with industrial applications in mind. There is a range of choices you will find: room, portable, ductless split systems, just to name a few. The line has cooling-only models and models with heat (heat pump or electric heat) in a full range of capacities.