1 Answer. , swedish. Holland. Also, the country of Tulip mania and the first recorded speculative bubble. At the peak of tulip mania, in March 1637, some single tulip bulbs sold for more than 10 times the annual income of a skilled craftsman.
Step 4. Multiply the air conditioner power consumption per hour times the number of hours the unit runs per day to determine the daily power usage by the air conditioner. If the air conditioner is used 10 hours per day, the daily power usage is 10 kilowatt-hours per day.tep 5. Multiply the kilowatt-hours used per day times the electricity rate charged by the power company. If you use 10 kilowatt-hours daily and the highest-tier rate you pay is 20 cents, the air conditioner costs $2.00 per day, or about $60 per month.
Truth In Numbers. At the average national electricity cost of 12 cents per kilowatt-hour, a typical window air conditioner running 12 hours per day uses 335 kilowatt-hours per month and costs around $40 monthly to operate.A 2.5-ton common residential central air unit uses around 1,300 kilowatt-hours per month and costs just over $150.Now consider the humble fan. A midsize ceiling fan set on high for 12 hours per day costs just over a penny per hour in electricity or just about $3.50 per month.ooling. Consuming mass amounts of electricity to run an air conditioning compressor isnât required for home comfort -- up to a point. Moving air in the home with a fan can keep occupants acceptably comfortable at temperatures up to 85 degrees.