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.
Air conditioner equipment power in the U.S. is often described in terms of tons of refrigeration. A ton of refrigeration is approximately equal to the cooling power of one short ton (2000 pounds or 907 kilograms) of ice melting in a 24-hour period. The value is defined as 12,000 BTU per hour, or 3517 watts.Residential central air systems are usually from 1 to 5 tons (3 to 20 kilowatts (kW)) in capacity.ir conditioner equipment power in the U.S. is often described in terms of tons of refrigeration. A ton of refrigeration is approximately equal to the cooling power of one short ton (2000 pounds or 907 kilograms) of ice melting in a 24-hour period. The value is defined as 12,000 BTU per hour, or 3517 watts.