Question: do portable ac units use a lot of electricity?
Answer: The average reverse cycle air conditioner costs around $0.25 – $0.35 per hour to run for cooling purposes, depending on the size of the room. A medium sized room of 36sqm would cost $0.36 – $0.70 per hour to run. ... A portable refrigeration device costs about the same at $0.45 – $0.55 per hour.