Question: how much does it cost to run an air conditioner for one hour?
Answer: This is $0.54216. This is the cost to run an air conditioner for an hour. The formula is kWh x kWh unit cost = cost to operate an AC for an hour. To determine how much it will cost you to run your air conditioner all summer, total the number of hours the unit will run over the season and multiply by the kWh cost.