Coleman-Mach makes top of the line products that provide indoor comfort for the great outdoors. This Coleman ceiling assembly works with non ducted applications and works in conjunction with most Coleman Mach air conditioners. Coleman-Mach - the brand you turn to for quality ACs, Heat Pumps, Thermostats and accessories for RVs, boats, off-road vehicles and specialty applications. For Coleman-Mach air conditioners and heat pumps, innovation is a process of assessing customer needs and translating those needs into products. It is these innovations that have kept us at the forefront of the industry, and made the Coleman-Mach brand a trusted partner to RV manufacturers, dealers and enthusiasts everywhere.