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Portable Air ConditionerCost: Purchase Price & Running Cost

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.

Average Purchase Price

$300–$700

8,000–14,000 BTU portable units

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