Click calculate to find the energy consumption of a 48 inch ceiling fan using 75 Watts for 3 hours a day @ \$0.10 per kWh. Joteo.net provides free energy usage calculators to find the electricity consumption of your devices. Hence if we calculate the power consumption of a 75 watt running 12 hours a day for a month (30 days) it will consume 27 kWh of electricity, which translates to a monthly electricity bill of Rs 270. 70 watts X 4 hours = 280 watt-hours per day. A standard ceiling fan without the BEE start rating has rated power of 75 watts. Typical coolers observed in the market are rated about 100-500 Watts (depending on the size and make). Buy Copper wound table fan. To start we will consider only the effect of a change in the speed of the fan on the flow rate, pressure and power consumption. Due to the fact that it is operated only for a few minutes at a time, the consumption per use is not as much as you would expect. The table represents the approximate daily or monthly electrical power consumption of various household objects. We then multiply this by the electricity rate. You can use the below guide to narrow done the perfect size of fan you should use for your room and the number of fans you should use.Fan selection guide. Multiply the hours used on the average day by the wattage listed below. In this article we will see how much power does a fan consumes. E(kWh/day) = P(in Watts) × Time(number of usage hours per day) / 1000(W/kW) OR (the number of hours you use it per day) x (the number of days uses) x ([wattage of the electrical appliance in watt] / 1,000) = kWh(energy consumed by appliance) Assuming it is \$0.13/kWh, the national average in the USA: Calculating 80(wattage) x 0.13 (kWh) = 10.4. So, in short, the basic fan laws are used to express the relationship between fan performance and power. And when used as heaters, they will consume up to 1500 watts per hour. It is worth noting, however, that some Dyson fans can also double as a heater. If you liked the article then please share it on Facebook, Twitter, Reddit, LinkedIn, WhatsApp and feel free to share your views in the comment section. To calculate the effect a fan has on your electricity bill Table 2: Good Weather (72°) Daily Estimated Electrical Consumption Well you will agree with me that fans don’t consume much power after all, but there are ways using which you can reduce the power consumption of a fan by some margin, let’s look into it. Click calculate to find the energy consumption of a 48 inch ceiling fan using 75 Watts for 3 hours a day @ \$0.10 per kWh. Let we calculate the power consumption per hours, per day, per month and per year of Enamic UK || Happy Home || IS Laurels || Mini Table Fan Best Performance || High-Speed Motor || Motor s-21. Still I feel they are well worth the investment and you should go for it if the budget permits. The actual value of electric energy usage may differ significantly from the given. So it consumes 1,200 Wh after an hour. We will do the calculation for one fan and then multiply it