Energy Use Ceiling Fan Vs Air Conditioning
June can be unbearably hot in singapore which has a tropical rain forest climate.
Energy use ceiling fan vs air conditioning. So with that said 5 fans on high use 87 watts each so the total watts for 5 fans is 437 watts. There are ceiling fans with high cubic feet per minute cfm available at affordable price points. Ceiling fans help cool a room by moving air which causes evaporative cooling. The use of ceiling fans is so effective at reducing energy consumption that the environmental protection agency epa recommends using them to reduce or eliminate the need to use air conditioning.
At typical utility rates a central air conditioner costs 43 cents per hour to operate. Fans range in size from 36 inches to 56 inches using 55 to 100 watts a typical 48 inch ceiling fan will use 75 watts. Does the fan mode in aircon use a lot of energy. Ac why ceiling fans are here.
I will assume for arguments sake that no one is honestly considering getting ceiling fans instead of air conditioning as this would be a poor choice unless you lived in the north like bozeman montana where it is cool most of the year. Sometimes running both a fan and an air conditioner gives you the benefit of air conditioning at a lower cost. 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. If you were using fans without any air conditioning then of course fans are cheaper.
And the watts used for an air conditioner is 467. The dollars and cents tip the balance in favor of the air conditioner ceiling fan combo as well. Since even the most efficient ac is more of an energy hog than any ceiling fan the amount of electricity you need to run a fan is less than what you d need to keep your air conditioner running at cooler temperatures all day. So in real time there is not much different from fans to air conditioner.
One of the things that i would have considered would be that i would be using 5 fans in place of one air conditioner. In an effort to motivate every american to reduce energy consumption by turning off their central air conditioning systems and relying solely on fans. The right way to use a ceiling fan to save money on summer air conditioning bills. Most ceiling fans average between 5 000 6 000 cfm s.
If you live in singapore you are likely familiar with the high humidity and the sweltering heat that is at least dissipated in part by the abundance of greenery all over the city. Fans can t match the raw cooling power of air conditioning units especially in warm climates but the air circulation provided by ceiling fans or a whole house fan can make a house feel substantially cooler for a fraction of the energy cost of a central ac unit.