The Dometic Marine Air 6,000 BTU EnviroComfort Air Conditioning Retrofit Kit provides reverse-cycle cooling and heating capability so you stay comfortable onboard year-round. This 6,000 BTU unit replaces an older self-contained air conditioner of comparable capacity in the 5,000 to 7,000 BTU range.For a new installation, add the Dometic Installation Kit for air distribution and plumbing components. To air condition a second interior space instead of just one, add the Dometic Dual Duct Kit.Easy Operation: kit includes a compact digital control with bright green LED display and large buttons.Easy Installation: High-velocity blower rotates to horizontal or vertical position for better connection to duct location, stainless-steel drain pan is easy to plumb, plastic electrical box can be mounted remotely up to 6 ft/1.8 m away, pre-installed return-air filter is removable for cleaning.Kit Includes:Self-contained air conditioning unitDigital control with bezelSpecifications:Reverse Cycle: YesDischarge: Vert. or Horiz.Refrigerant: R410AWarranty: One year parts, six months labor