Climate Command builds DC-native rooftop climate units for vans and RVs - no inverter, no generator, no 120V. The line is easy to navigate once you know the model codes.

• RTAC12 - 12 volt rooftop air conditioner; cooling only, the entry point
• RTHP12 - 12 volt rooftop heat pump; adds reverse-cycle heating for shoulder-season nights
• RTAC48 - 48 volt rooftop air conditioner; higher efficiency, smaller cable
• RTHP48 - 48 volt rooftop heat pump; the flagship, cooling and heating on a 48V bus
• BPAC12 - 12 volt mini-split with a back-pack mount, for builds that need the roof free for solar

Rooftop units drop into a standard 14x14 vent opening. Heat pumps are worth the premium in any van that sees October camping - they replace a fuel-burning heater on all but the coldest nights. Compare across brands in 12-Volt and 48-Volt Air Conditioners.