PLEASE NOTEThe Everest VS-18 Variable Speed Air Conditioner (item 159219), Air Distribution Box Ceiling Assembly (item 159222), and Thermostat (item 159223 for heat/cool OR item 159224 for cool only) are all sold separately. All three components are required for a complete installation. Coleman-Mach Everest Thermostat for VS-18 Air ConditionerThe Coleman-Mach Everest 2111-0045 Thermostat is a dedicated wall thermostat designed for the Coleman-Mach VS-18 Air Conditioner system. This 12V DC unit features a digital, backlit display for controlling the VS-18's variable-speed operation. It ensures proper temperature management specifically for this high-efficiency AC unit in RV applications.• Specifically designed for Coleman-Mach VS-18• Designed for systems without a heat pump (Cool only)• Backlit, easy-to-read LCD screen with push-button controls• Modes: Cool (Auto, High, Low), Fan (High, Low)• 12V DC Backlit, easy-to-read LCD screen with push-button controls Modes: Cool (Auto, High, Low), Fan (High, Low) | Coleman Mach Coleman-Mach Everest Thermostat for VS-18 Air Conditioner System, Cool Only