By John. Ceiling Fan. Published at Thursday, September 13th, 2018 - 08:02:43 AM.
New Energy Star Ceiling Fan is Over 300% More Efficient! Having been in the ceiling fan business for over 20 years, it is rare that a new ceiling fan gets me excited. But while researching the efficiency ratings of the latest introductions this year, one model clearly stood out among all others. The Midway Eco from Emerson Electric, which is an impressive new Energy Star Ceiling Fan that is Over 300% More Efficient than other fans. This represents a major breakthrough in ceiling fan performance and technology, setting a new standard for energy efficient ceiling fans. Emerson developed an entirely new motor for the Midway Eco Ceiling Fans called the "EcoMotor TM". The EcoMotor TM uses up to 75% less energy compared to other ceiling fans. The blades have an airfoil shape for better aerodynamics and move up to 40% more air than typical fan blades. The built-in light uses four 13 watt fluorescent lamps to provide maximum illumination at a very low wattage. With these new innovations, the Emerson Midway Eco far surpassed the Energy Star testing requirements established by the EPA. As a matter of fact, the test results prove it to be over 3 times (or 300%) more energy efficient than any other Energy Star ceiling fans with lights. This means that the Midway Eco will move substantially more air while using a fraction of the electricity making it the ultimate choice for energy conscious consumers who wish to reduce their carbon footprint. Although Emerson does not claim that the Midway Eco is 300% more efficient than other fans, I made this observation myself after reviewing the test results published by the EPA, for ALL Energy Star Ceiling Fans with lights. In order for any ceiling fan to be Energy Star qualified, it must meet EPA standards for quality and durability. But most important, it must undergo a standardized testing procedure adopted by the EPA to calculate the efficiency of the fan. During the test, sensors measure the CFMs (Cubic Feet per Minute) of airflow the fan produces while recording the amount of electricity it consumes. The efficiency rating is calculated by dividing the CFMs produced by the Watts consumed (CFM/WATTS). This information is labeled on the fan packaging of every Energy Star ceiling fan giving consumers a standardized way of comparing the performance between different models. For such a comparison is critical for those who are energy conscious. As you will see in the data below, there are substantial differences in the efficiency ratings of many Energy Star ceiling fans. The data that I used to perform my analysis is published by the EPA and can be found at www.energystar.gov. If you wish to confirm my observations, download the spreadsheet under Ceiling Fans with Light Kits named "ceiling_fan_with_lightkit_prod_list.xls". Here are my findings based that data: There are 126 Energy Star ceiling fans in total, which represents all of the various finishes available for each model. I removed the finish variations to get to the actual base models since each finish is just a duplicate of the actual fan. This brought the total down to 33 Energy Star qualified ceiling fans with lights available in the USA from all brands combined. The table below represents my findings sorted by the most efficient to the least efficient. The Emerson Midway Eco is at the top with an efficiency rating of 620.20 CFM/Watt on Low Speed, 476.6 CFM/Watt on Medium and 289.0 CFM/Watt on High.
Ceiling Fan Ratings - How to Choose the Best Ceiling Fan for Your Needs? A ceiling fan can be used year round-to cool off your home in the warmer months and to circulate the warm air to keep your home livable in the winter months. Another good reason to buy a fan is to save some money on your utility bills-ceiling fans cut down a great deal on heating and cooling costs year round. When choosing a ceiling fan for your home it is important to develop a rating system for yourself and then decide which fan to buy by the ceiling fan ratings you have assigned. When deciding on your ceiling fan ratings, you should make a list of qualities you want in a fan. You should think about the look of the fan, the features of the fan, how the fan is made, etc. Size The size of the fan is very important. You dont want to get too big of a fan for the room and you definitely dont want a fan that is too small for the room. A good rule of thumb is that a one hundred foot square room, the fan should have blades of thirty six inches. If the room is between one hundred fifty and two hundred twenty five square feet should have fan blades that are forty eight inches long. Type Low ceilings require a different type of fan than a high ceiling fan. High ceilings require the fan to have down rods because down rods will circulate the air to the living space. Low ceilings should be fitted with a fan that is flush mount or hugger. A sloped ceiling needs to have an angled mount and you need to make sure that, no matter what type of fan you get, that the blades are at least seven feet up. Components You want a fan with high quality fan components. For example, the die cast motor housings are far better than stamped motor housings. This is because the die cast motor housings reduce the fans noise and keep the fan stable. You will also want your fan to have bearings that are permanently lubricated and it should have an oil reservoir that is sealed. Pitch Pitch refers to the angle at which the blades sit on the fan. Typically, the pitch of the fans blades will range from eight up to fifteen degrees. Air moves far better under a fan with a high pitched blade. Special Features Do you want your ceiling fan to have room lights? Do you want decorative blades that you can change out to change the look of the room? These special features will be a prominent part of your ceiling fan ratings. After you have shopped around, compare your ceiling fan ratings. Obviously the fan with the highest rating should win-but that could also depend on how heavily you weigh each category. Once you have compared the ratings you will be set to buy the perfect ceiling fan for your home.
What You Should Know About Installing Ceiling Fans Installing ceiling fans in your home is simply a good idea. Advances in ceiling fan technology over the last 10 years have expanded their money-saving benefits. In the summer, the cooling effects of ceiling fans can reduce temperatures as much as 7 degrees - and your energy bill by up to 40%! And the effects of pushing warm air down from the ceiling in the winter can save you 10% on your heating costs. Ceiling fans are a money-saver Ceiling fans are not only a wise investment financially, but can really add to the look of a room. There are so many styles of ceiling fans these days that it may be difficult to choose. Here are some helpful tips Ceiling fans come in a range of prices. But beware of the cheaper ones. They may look great when theyre new, but over time they are more likely to warp, become off-balance and wear out. Also, the casing on cheaper fans is made of very thin material which tends to vibrate and rattle. You will enjoy the benefits of a ceiling fan for many years, so be prepared to pay for quality. Choose a fan according to the size of the room. A 29" fan is good for a room up to 50 square feet; a 36" fan for rooms up to 75 square feet; a 42" fan for rooms up to 100 square feet; and 50" to 54" fans will work best in rooms up to 400 square feet. For maximum efficiency and safety, place the ceiling fan in the middle of the room and at least 8 feet above the floor. For best results, place the fan 9 or 10 feet above the floor. Most ceiling fans are about 12" from the ceiling to the tops of the blades. Hugger fans, which have blades very close to the ceiling, are less efficient at moving air, but may be necessary if you lack the required height clearance. The motor is one of the most important components of ceiling fan efficiency, yet many motors are undersized or poorly constructed, which can lead to higher operating temperatures, humming and clicking. Look for high-quality motors with heavy-duty windings and sealed bearings that are permanently lubricated. And let the warranty guide you. Better ceiling fans with heavy-duty motors will come with a lifetime warranty on the motor. Fan blade brackets should hold the blades at a 12-15 degree angle for optimal circulation. The greater the angle, the more air circulation you get. Fans with less than a 12-degree angle are less efficient. Blades are available in plastic, metal, acrylic, faux wood, cloth, palm, and many types of wood. Blades should be sealed and treated to resist humidity, which can cause them to warp and make your fan wobble. A high quality finish will resist against blistering, tarnishing, fading and corrosion, while less advanced finishes can peel, bubble and corrode quickly. Virtually all ceiling fans have reversible blade rotation, but many homeowners are unclear on which way the blades should turn. In warm weather, the fan should rotate counter-clockwise to create wind to cool you down. In colder weather, the blades should spin clockwise at low speed to push the warm air near the ceiling down (heat rises, remember?). Ceiling fan blades should be evenly weighted and balanced by the manufacturer prior to shipment to avoid wobble. However, if the fan is wobbly after installation, make sure that all connections are properly aligned and tightly fastened. Hold a yardstick vertically along the edges of the blades to check their alignment. If a blade is misaligned, try gently bending the misaligned blade holder into proper position. If all blades are aligned, use a balancing kit to correct the problem. These kits are either provided with the fan or can be sent by the manufacturer. Ceiling fans can weigh as much as 50 pounds, so most ceilings need to be braced to support the additional weight. Ceiling fans need additional support from above and need to be anchored solidly to a ceiling joist. But if the joist is not located in the center of the room where the fan is to mounted, a special ceiling fan mounting bracket with spiked ends should be installed between joists. A licensed electrician will be able to install the fan securely and take care of the wiring. Installing a ceiling fan is much more complicated than installing light fixture. It is advised to use the appropriate UL-listed metal outlet box marked "For Use with Ceiling Fans." The box is mounted above the ceiling and houses all wiring needed to operate and connect the ceiling fan. If you are replacing a ceiling fixture, most likely you will need to replace the electrical box. To avoid complications, it is best to hire a licensed electrician to install the ceiling fan. Be sure to check references, and make sure the contractor is properly insured and holds the proper certification.
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.
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