PELONIS Room air conditioners: energy use and running cost

The average model uses 584 kWh a year, which costs $123 a year at 21.0¢/kWh.

Most efficient models

ModelkWh/yearCost/year
PELONIS PAT08R1KWT426$89
PELONIS PAT10R1KWT532$112
PELONIS PAT12R1KWT648$136
PELONIS PAT14R2KWT755$159

Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology