This Multi Zone High Wall Indoor Unit from the DXMH Series features top of the line Full DC Inverter and Heat-Pump technology. It has 12,000 BTU in capacity, high SEER2 rating for high electrical efficiency, and runs on 208-230V/1Ph/60Hz. Plus, it is pre-charged with R410A; a nontoxic, nonflammable refrigerant which does not contribute to ozone depletion.