![]() ![]() It wasn't long until I was contacted by Nick who arrived as planned the following morning. 10 = $200, That's what it would cost you to use those bulbs for the year.I contacted The Local Electrician in relation to replacing an asbestos meter board and some other general electrical work. Let’s say your utility company charges you 10 cents for every kilowatt hour. Thus, 1kW X 2,000 hours per year = 2,000 kwh. Let’s say you’ve used 2,000 hours of energy. For example, let’s say you have 10 lights.Then, take kilowatt/hr and multiply that number by the cost of your energy. Then take the number of kilowatts multiplied by your hours of usage. To find out the number of kilowatts, take the number of watts divided by 1,000. Utility companies will often charge you using kilowatts. Do simple subtraction to determine the watt difference. ![]() However, over time, the 23 Watt bulb will save you money. If the 100 Watt bulb is cheaper, you might assume it’s the better purchase. Let's say you are buying a light bulb, and one is 100 watts and the other is 23 watts. Lower your watts, and you will improve energy efficiency and save money.The reason watts matter is because you can improve energy efficiency if you understand them. Watts are a basic unit of power (electric, mechanical, or thermal). For example, it might take 2,000 watts to start the motor and compressor of a refrigerator.īecome more energy efficient. Surge watts means the amount of watts needed to get an appliance started by igniting its motor or compressor.You will find it in things like battery packs. ![]() DC means direct current, and it means the current only travels in one direction. AC means alternating current the electrical current constantly reverses direction and is used often in homes and offices.
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