By John. Ceiling Fan. Published at Friday, August 17th, 2018 - 18:25:41 PM.
Save Home Energy With the Wise Use of Ceiling Fans Ceiling fans are a popular room addition; comfort can be easily obtained with a flip of a switch. An immediate cooling breeze is created by an electric motor with rotating blades. That motor uses electricity. Ceiling fan motors are not large, but energy can be wasted. Read on for tips on operating your ceiling fans so that you can be comfortable and save home energy. Ceiling fans have a cooling effect, but do not cool. Ceiling fans do not directly change the temperature of the air; therefore, they do not cool or heat. The benefit comes from how the human body cools itself. As air velocity increases across the skin, moisture (sweat) on the skin evaporates quicker. This cools the body faster; we feel cooler. As you increase you activity, you need to evaporate more sweat. The air blowing from a ceiling fan can provide great help. Turn off air conditioning when using ceiling fans. The majority of energy cost savings comes from using ceiling fans instead of the air conditioner. Ceiling fans use from 50 to 90 watts (not including lights). Compare this to a central air conditioner using 2000 to 3000 watts; a window air conditioner can use 600 to 800 watts. The ceiling fan uses far less energy. As the temperature in your house rises, try to use ceiling fans to keep comfortable. But at some point the fans will not be able to keep you cool. Turn off the ceiling fans and start the air conditioner. The longer you can delay turning on the air conditioner, the more energy you save. Exceptions to the above rule. Many websites suggest running the ceiling fan along with the air conditioner. This may or may not save energy. The thermostat must be set at a higher temperature when using ceiling fans. The exact amount is difficult to calculate due to many variables, but savings high enough to notice kick in at about 5 degrees. If you keep your cooling setting at 78 degrees without fans, then it would need to be set at 83 degrees. Is this acceptable? Only you can decide. Also you must continually turn fans on when walking into a room, and turn it off when leaving. See tip below. Keeping either the fans or air conditioner off may be the more practical action to insure minimal energy use. During any situation you need short term cooling, the ceiling fans can help. When company is over, turn on the ceiling fan instead of turning down the thermostat. Reduce fan speed when possible. If you have several people playing WII, you may need the fan blowing as much as possible. But if there is one person sitting reading a book, only a gentle breeze is needed. Many ceiling fans have multiple speeds. Adjust the speed depending on the activities in the room. Turn off ceiling fans when not in the room. Only people are cooled by ceiling fans. Ceiling fans should be off when nobody is in the room. There is a surge in energy when starting the fan motor, but it quickly drops as the fan blades reach their full speed. However, leaving the fan on when not needed still uses far more energy than that short burst of startup energy. Air should blow up in the winter. The only benefit to running the fan in the winter is to breakup warm air collected along the ceiling. In the winter, lighter warm air rises to the ceiling. If this air cannot go anywhere, it becomes a still layer of warm air. You are paying to keep the space near your ceiling warmer than the rest of the room. This is a waste of energy. Running the ceiling fan, blowing upwards, will drive that warmer air back down to the portion of the room you want warm. At the first bead of sweat run to the fan switch and get a quick blast of air. Or just run the ceiling fan to eliminate a warming stuffiness. The use of ceiling fans can enhance the comfort in your home. By using the above tips, you can also save home energy.
Installing a Ceiling Fan Installing a ceiling fan can seem like a daunting task; however, you will find that if all the wiring is in place, installing a ceiling fan should be quite easy. Below you will find some important information in regards to installing a ceiling fan. Before getting started there are some items you may want to take into consideration. The size and style of the fan you choose will be very important with respect to installing a ceiling fan. In order to choose the correct fan, youll need to know the size of the room, as well as the type of ceiling you have. Some people have vaulted ceilings which can make it difficult for installing a ceiling fan of a larger size. It will also make it difficult to position the fan properly if your ceiling is vaulted. Once you have selected the correct type of fan for your ceiling, it will be time to get started. With this tutorial of installing a ceiling fan, if youve never installed a lighting fixture before, youll want to pay close attention to the instructions listed below. Installing a Ceiling Fan Pre-Installation: 1. Turn off the power - This is probably the most important step when it comes to removing or installing electrical fixtures. It will be important that you follow this procedure as closely as possible. Do not just turn off the light switch that controls the light. You will want to turn off the breaker that controls the light in the room you plan on installing a ceiling fan. 2. Removing the old light fixture - This process should be done in the middle of the day so you can open your blinds or window shades in order to allow for enough light. Depending on the type of fixture youre going to remove, its a matter of disassembling your old fixture and removing it from the light electrical box. 3. Disconnecting the wires - You want to make sure that you disconnect the wires from the old assembly, but make sure you marked each wire as to its proper location. This will make it easier when installing a ceiling fan. 4. Inspect the old electrical box - Make sure the electrical box that is currently installed can handle the fan weight and is mounted to either a truss, or a cross brace. This will ensure that when you install your new fan that it will have a proper foundation in order to work properly. If for some reason your electrical box is not mounted properly, it will be important for you to get the correct electrical box and mounting brace. When installing a ceiling fan weight will be an important factor, choose wisely. Installing a Ceiling Fan Installation: Before getting started on installing a ceiling fan, make sure you read through the directions that come with your new fan. You will be surprised at how easily you will recall this information during the installation process. Make sure you have everything laid out in a way that you can select each item as you move along. 5. Installing a ceiling fan mounting bracket - The first thing you want to do is install the new mounting bracket onto the electrical box. This mounting bracket is what will actually hold the new fan. 6. Use the working hook - Because of the weight of a ceiling fan motor, the manufactures are well aware that you cant hold the ceiling fan motor in one hand and secure the wiring with the other. So theyve made something thats called a "working hook", which allows you to hang the fan motor on the hook while you are assembling the wiring. 7. Matching and securing the wires - In the step you will secure the wiring using the proper color codes. In the US, the white wire will be the neutral, the black wire will be a hot or (power leg) and the copper or green wire will be the ground. Sometimes well see a red wire which is considered a loop depending on how many light switches control a single light. Typically when you see this wire you have multiple light switches within one configuration. Just make sure to follow the wiring exactly as you remove the old fixture and you shouldnt have a problem. 8. Secure the fan motor - Its time to secure the fan motor to the fan mounting bracket. You want to push all the wiring inside the electrical box, and then secure the fan motor to the mounting bracket with the mounting bolts that have been supplied. 9. Install fan blades - After mounting the fan motor and putting on the cover, it will be time to install the fan blades. One by one attach each blade and secure with the accompanying hardware. Make sure that each fan blade is installed properly because you do not want your fan to be unbalanced. 10. Check your work - Once youve completed the installation, its time to turn our back on to check your work. Make sure that your light switch is turned off, and go out and turn your break your back on, and when you return to the room turn your light switch on and make sure your fan works properly as well as your lights. Installing a ceiling fan is not as difficult as one may think. The biggest intimidation is when a person thinks about working with electricity. As long as your electricity is off, its a matter of disassembling the current fixture and replacing it with a fan of your choice. Follow these steps closely and you will see that once your ceiling fan has been installed, youll be able to enjoy the new cool breeze, as well as the fact that you performed the installation.
Ceiling Fans - A Green Way to Heat and Cool Ceiling fans can help alleviate both the heat and the climbing energy bill. By circulating the air ceiling fans move warm air toward the ceiling and into attic vents while creating a "wind-chill" effect, which adds to the cooling sensation. Air conditioners are not known to be very energy efficient. Even the most advanced units use more power than other appliances in most homes. Annually air conditioners use almost 20% of the kilowatt-hours produced in the United States. In other words, air conditioners alone in the United States are responsible for the consumption of 207,0692,000 tons of coal, 23,074,000 barrels of oil, and over 137,924,800,000 cubic feet of natural gas (based on 2006 national statistics). That staggering figure translates directly to an increased energy bill and money out of your pocket. Most ceiling fans use the same amount of power as a 75-100 watt light bulb. For such a small power usage a fan can make a home or office feel 8-10F degrees cooler. According to Florida Power and Light, ceiling fans throughout a home can reduce energy bills by up to 40%. While serving an energy saving function, fans can also accentuate the style and decor in your home or office. Ceiling fan innovation and style have come a long way. What to look for when buying a Ceiling Fan: At first glance it may be hard to see why one fan costs $50 and another costs $600. Part if it may have to do with style and appearance, but beyond that the quality of the higher priced fans are generally superior. Quality fans pay attention to blade angle, use higher quality internal components and are better engineered. Cheaper fans will probably function reasonably well at first, but they can quickly begin to generate noise, and wobble. Wobbling in a fan further speeds up the wear and tear on a fan. Higher quality fans also move more air than a low quality fan of the same size. Ideal blade angle for a traditional ceiling fan is 12-16 degrees. Most cheap fans have a blade angle of 10 degrees or less. On the same size fan this small difference can make a difference of the cheaper fan moving 40% less air. In other words, a cheap fan with 10 degree blades designed to cool a room effectively cools a room roughly half as large. Fan Sizes and Location: Traditional fans should be hung in the center of a room. Fan blades should be 7-8 feet from the floor for optimum air circulation. Low profile fans, for lower ceilings, and lengthening stems, for higher ceilings are generally available with fans to ensure they are mounted at their ideal height. Below a chart shows the approximate size fans should be based on room size Room Size-------------------------Fan Size 64 square-feet or smaller---------32-inch or smaller 100 square-feet or smaller--------34-inch or 36-inch 144 square-feet or smaller--------38-inch to 42-inch 225 square-feet-------------------44-inch to 46-inch 400 square-feet-------------------48-inch to 54-inch 485 square-feet-------------------56-inch 600 square-feet-------------------58-inch to 60-inch Nontraditional Fans: Directional fans, as the name implies, are stationary fans designed to cool a specific location or area. Some directional fans swivel to cool a greater area. Generally directional fans have stronger motors and sharper blade angles to move air more aggressively, but otherwise follow the same general quality guidelines as the traditional fans. Directional fans can be great to further cool a room that already has a traditional fan or on its own. Rotational Fans are a hybrid of Traditional and Directional fans. The fan is ceiling mounted like a traditional fan, but in place of fan blades a horizontal stem is attached to directional fans on either end. These directional fans rotate around the ceiling mount and are adjustable to different angles as desired. It has been claimed that rotational fans move the air most effectively, however the movement of air is the objective and which fan is the right fan is a matter of personal choice. Lastly, an often-overlooked benefit to ceiling fans is they also help with heating. Most fans have a switch that will change the direction of the blade rotation from pulling air from below toward the ceiling (usually clockwise rotation) to moving the warm air from the ceiling toward the rest of the room (usually counterclockwise direction). Generally the fan will be set to a slower setting to accomplish this without any "wind chill" effect, but it is a proven and undeniable benefit. This article was provided courtesy of 1STOPlighting, which is an online shop for all your lighting and ceiling fan needs.
Why Do Ceiling Fans Have a Reversing Switch? What is the reason for having a reverse button on ceiling fans? Well "they" say that you cannot stand a draft during winter months, but that you can equalize the air temperature buy using your fan in the reverse direction. I always wondered why the older ceiling fans did not have a reverse button. Were the people who designed those fans, just too stupid to think about using reverse in winter? During winter, when you use the central heating system, the warm air coming out of the registers, in each room, will naturally rise and because the registers are up high already, the hot air will build at the ceiling level and gradually work its way down toward floor level. The heating unit runs until the temperature is comfortable at the lower levels of the rooms. But by the time this happens, it will be very hot at the ceiling level. Many BTUs are wasting heating the ceiling areas of the home, where we dont live our lives. But what if there was a way to get this hot air down off the ceiling, to the lower levels where we live. The heating unit would not need to work as long and the savings on our utility bill could be significant. AHH CEILING FANS! will bring this air down and mix the hot air with the cooler air at floor level. This mixing would basically equalize the temperature at floor and ceiling levels, which means that the heat would not be wasted keeping the ceilings warm. The heating unit would not run as much. The utility bill will be lower while the comfort level will remain the same. But then someone said that the draft created by the ceiling fans would be too much for winter months. So someone else said "well, lets just reverse the ceiling fans and let the air blow up until it hits the ceiling and then it will go horizontal in all directions until it hits the walls. Then it will come down vertically until it hits the floor. Now it will travel, at floor level, back in toward the center of the room and then back up to the ceiling fan. What a genius! Now everyone can use ceiling fans to equalize the temperature without feeling a draft in winter. Oh yea! So what happens when this warm air starts down the walls and hits furniture, bookshelves, etc? It will start a horizontal movement toward the center of the room. Now when it comes out past the obstruction, will it turn and fall toward the floor, where it can mix? If warm air falls instead of rising, then I guess it could. What happens when air from the ceiling fans hits the ceiling in a room with a sloped ceiling? If the ceiling fan is centered in the room, it would be basically half way up the slope. So wouldnt all the air go directly up the slope from where the ceiling fan is mounted? What about the other half of the room? What happens when the room is large? Will the force, coming down the walls, still be enough to get this warm air to the floor, especially when the ceiling is two stories high? What happens when ceiling fans are in a room with a two story high ceiling, which is open to the second floor level of the home? Wouldnt the warm air go off into the second level, instead of coming down to the floor and in this situation, wouldnt the ceiling fan steal the warm air from the first level and take it to the second floor, defeating the purpose for which it is being used? On the other hand, if you blow the air down, the hot air at the ceiling level will be forced down to floor level where it will move in all directions toward the outer walls of the room. The air can now mix and seek its own level. The hotter air will naturally rise to the ceiling level where it will be picked up by the fan to repeat the cycle. So wouldnt this be much more efficient than using reverse, especially in the scenario where the ceiling is two stories high and open to the second floor? But what about the draft? I say just run the ceiling fan at a low speed or the highest speed that you can tolerate and still be comfortable. Could reverse on ceiling fans be a marketing tool to sell fans in winter? You decide. But I do not think that the old folks overlooked something as important as this. I think that they used what was most efficient. I agree and my ceiling fans always blow down, winter and summer. And if you happen to have a room with the two story ceiling where the room is open to the second level, and where you notice the upstairs is always hot while the lower level is cold during winter, try using your ceiling fans in the down direction. You will not believe the difference!
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