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.
Efficient air conditioners can cool down your space for less money. An air conditioner can keep you cool on a hot summer day. Room models confine comfort to one area and central air versions handle your entire home.Because these machines use enormous amounts of energy when they are turned on, you can minimize your utility expenses by buying the models with the best efficiencies.he U.S. Department of Energy regulates the efficiency of central air conditioners through a rating known as the Seasonal Energy Efficiency Ratio or SEER. This calculation divides the BTUs used by a unit normally in one year by the watt-hours of energy it needs during the same time. A higher rating is more efficient.