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How Much Does a Portable Air Conditioner Cost to Run?
Portable air conditioners typically use 1,000–1,400 watts. They're less efficient than window units because the exhaust hose radiates heat back into the room.
watts
hrs/day
$/kWh
Daily Cost
$1.79
11.2 kWh
Monthly Cost
$53.76
336.0 kWh
Yearly Cost
$654.08
4088.0 kWh
For perspective...
At $654.08/year, this is a major energy expense — equivalent to a car payment. Strongly consider more efficient alternatives.
Energy-Saving Tips for Your Portable Air Conditioner
- Keep the exhaust hose as short and straight as possible
- Seal the window gap around the hose to prevent hot air from entering
- A window AC unit is typically 30-50% more efficient if installation is possible