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QUESTION: I am looking at the Emerson Carrera Grande Eco 72 (DC Motor) Ceiling Fan Model CF788VNB, however regarding fan blades for an outdoor-damp location, would these blades tend to warp over a few years in a humid environment? ANSWER: When you click on the orange button for blades, look for blades that say "(Outdoor Damp)".
ANSWER: I am sorry to report that Halsey went out of business several years ago, so finding parts for them is difficult. QUESTION: The location I am considering was wired only for a light and no fan (1 wire pair).
QUESTION: How far down from the ceiling does the Seaside fan hang when installed with the flushmount option? ANSWER: I am sorry to report that we do not have any of the Hunter light fixtures you are looking for.
ANSWER: Regarding the Emerson Carrera Grande Eco, it is one of the most powerful and efficient fans we sell. Per the information on the site, the new DC motors, the Emerson K55XL, and other "induction" type motors are considered best quality. Shown in Picture: (This fan is discontinued) Hunter 42?? Low Profile III Ceiling Fan Model 23866 in White. Hugger fans are excempt from EPA required performance testing, so data is rarely available for hugger fans. This label is required by the FTC to be publishedby any company selling this fan on the Internet.
The Hunter 42" Low Profile III is UL Listed for Indoor use only, so it is not designed to be exposed to moisture or harsh elements.
Aside from Quality, which accounts for smooth quiet operation and durability, the amount of wind-chill a fan can provide to cool you off is the most important consideration.
2900 CFM far less than the average ceiling fan, so don't expect to feel much of a breeze from this fan unless you are are directly beneath it.
Use the calculator below to estimate just how much it will cost to operate this fan in "Your home".
Ceiling fans cool you off by creating a wind-chill effect, so the more wind speed a fan generates, the cooler it will make you feel.
Basic Help: Our operational cost calculator estimates how much it will cost to operate the Hunter 42" Low Profile III ceiling fan. The wattage of the fan is already included (if it is known), but you can change it if you wish to see how the wattage affects the cost. When comparing fans of different sizes with varying CFMs, it is important to consider the wind speed in order to know which fans will make you feel cooler. Ceiling fans cool you off by creating a wind-chill effect, the degree of which is determined by the wind speed produced by the fan; the higher the wind speed, the cooler you feel. Ceiling fan manufacturers are required by the DOE to publish the airflow of each fan in CFM (Cubic Feet per Minute) which is not the same as wind speed. The required testing method for ceiling fans is not done in a way that translates well to real world applications, so the CFM data can be somewhat deceiving if you do not know how to interpret it. The current required test procedure (shown left) shows a ceiling fan hanging above a 3 foot tall metal cylinder that is 8 inches wider than the ceiling fan (blade span) and stands 4 feet above the floor.
Therefore, the best way to compare the actual performance between fans of various sizes is to compare the wind speed.
This 42" Low Profile III fan configuration has been "Discontinued" and there are no more in stock. Hunter 52" Low Profile III (2013) Ceiling Fan HU-53069 in White - Guaranteed Lowest Price. The Hunter 52" Low Profile III (2013) is UL Listed for Indoor use only, so it is not designed to be exposed to moisture or harsh elements. A Quality Rating of 4 is above average, the Hunter 52" Low Profile III (2013) ceiling fan will run smooth and quiet and will give you many years of operation with no worries of the motor burning out. 2852 CFM far less than the average ceiling fan, so don't expect to feel much of a breeze from this fan unless you are are directly beneath it. Basic Help: Our operational cost calculator estimates how much it will cost to operate the Hunter 52" Low Profile III (2013) ceiling fan.
Please note that you MUST purchase Hunter products from an Authorized Dealer like Hansen Wholesale in order for any potential warranty claims to be valid or accepted by Hunter!
Not only will our ceiling fan experts make sure you get the best fan for your needs, in some cases manufacturers do not allow us to publish a lower price, but do allow us to sell for less over the phone.
Also, if you are a contractor or other trades person, you may be entitled to an additional trade discount.
As an Internet seller for over 20 years, we know how important a return policy is to you when shopping online. Shown in Picture: (This fan is discontinued) Craftmade Solo Ceiling Fan Model SO52CF in Carbon Fiber. Included Control (TCS): Included TCS remote control system with 3 speeds, full range light dimmer, and reverse.
FREE REPLACEMENT GLASS: If you purchased your fan from us in the past 5 years (on or after March 31st 2009) and have broken your glass, we may replace it FREE OF CHARGE based on our 5 Year FREE Replacement Parts Plan.
If you cannot find what you need to make this fan work in your room, please give us a call so we can check to see if there are any further alternatives. Building codes require ceiling fans to be installed with the blades no lower than 7 feet from the floor in residential applications (industrial fans may require more distnace). The downrod included with the Craftmade Solo ceiling fan is 4", which puts the blades 8.75" from the ceiling. This fan will hange from flat ceilings and ceilings angled up to 30 degrees using the hardware that comes in the box.
To measure the rise of your ceiling: Hold a 12" ruler ruler horizontally (using a level) with one corner touching the ceiling.
The Craftmade Solo is UL Listed for Indoor use only, so it is not designed to be exposed to moisture or harsh elements. A Quality Rating of 4 is above average, the Craftmade Solo ceiling fan will run smooth and quiet and will give you many years of operation with no worries of the motor burning out.
This is above average when it comes to ceiling fans, so you can expect to feel a decent amount of cooling breeze, but it is not the best. This fan should allow you to raise your thermostat by 1 or 2 degrees to save between 5% and 15% on your cooling bills (if you have AC). Basic Help: Our operational cost calculator estimates how much it will cost to operate the Craftmade Solo ceiling fan.
Hunter 42" Low Profile III Ceiling Fan 23871 in Antique Pewter - Guaranteed Lowest Price. Shown in Picture: (This fan is discontinued) Hunter 42?? Low Profile III Ceiling Fan Model 23871 in Antique Pewter. The last time I went shopping for a ceiling fan – believe it or not – was when I was still a bachelor.
A ceiling fan design must be such that the fan generates large amounts of air movement but yet performs its task quietly and consumes low amounts of energy.
So, if we plot the airflow velocity (speed) at various distances along the fan blade length, we would observe that the airflow generated by a ceiling fan would increase from the fan center, reach maximum at somewhere midway of the fan blade length, and then decline moving towards the fan blade tip. This is why when we stand directly under the ceiling fan center, we would feel little air movement. Earlier work by Schmidt and Patterson in 2001 and Ankur and his associates in 2004 also reported similar airflow patterns.
Computer-simulated airflow velocities (speed) in a room with a single rotating ceiling fan. Studying the airflow patterns generated by a given ceiling fan is important because it allows us to understand how effective a ceiling fan design is in moving large amounts of air. Consequently, there is a tradeoff between the blade size and the number of blades to have in a ceiling fan. Falahat is one of the few researchers who reported the effect of the number of fan blades have on airflow generation. Falahat and his team in 2011 found that four blades was the optimum number of fan blades, and these blades should be tilted between 45 to 55 degrees, as shown in this chart. Likewise, increasing the blade pitch would generate more airflow but at an increasing cost of having a more powerful fan motor to move these blades.
Falahat’s finding of 45 to 55 degrees as optimum blade pitch range is far from that found in some commercial fans. Falahat may have used a powerful fan motor in his study: a fan that is able to spin even six blades at high speeds. A few ceiling fans have a curious feature where their fan blades appear to be curved or bent upward. Bending the blades upward is not just for aesthetic reasons because varying the rake angles can produce varying amounts of airflow.
Some ceiling fans even have winglets at the tip of the fan blades, similar to the winglets found on airplane wings. These winglets at the fan blade tips help to smoothen airflow around the fan blades which would lower drag and increase airflow. The material from which the fan blades are made is also another important factor because a heavier material would add weight and would require a more powerful fan motor. Today the ceiling fan market is inundated with many modern-looking fan, some having rather complicated designs. But it is not easy to determine how good a ceiling fan is simply by examining the fan’s individual design features. My four-blade Deka fan has more blades and spins faster but yet generates lesser airflow than my two-blade NSB Infinity fan. To tell how effective is a ceiling fan, we need to make actual measurements of how much airflow can be generated by the given ceiling fan. The two most important information we need are the amount of air movement generated (represented by the unit cubic feet per minute or simply as CFM) and the power consumption (in Watts or W) by a ceiling fan.


Averaged over 2,000 ceiling fans showed that ceiling fans typically move about 5,500 CFM of air, consume 70 W, and have a fan efficiency of 79 CFM per W. Therefore, these two information pieces give us some sort of baseline upon which we can use to determine how well a given ceiling fan can move air and yet remain energy efficient. Aeratron ceiling fan has won awards for its very quiet operation and high energy efficiency. Unfortunately, information about a ceiling fan’s CFM and power consumption are not always supplied or even measured by the fan designers or manufacturers. There are of course many other factors beside the design of the fan blades that affect airflow, some of which are the height the ceiling fan is positioned from the ceiling, fan motor, and even the room size. Consequently, it should be a requirement that all fans be sold with information regarding the fan’s overall performance in terms of CFM and power consumption, so we would be able to make a more informed shopping decision. What’s your opinion for Panasonic 3 Blades F-M15A0 vs Deka 4 Blade Designer Ceilling Fan DK60?
Obviously, I cannot find any manufacturer specs, so I wonder if it is somehow possible to get an estimate of the flowrate of this fan. According the shop owner, he highly recommend Fanhub ceiling fans bcos high CFM (more than 7000) and 1yr onsite service & support in Singapore even if buy in Johor. Fans with more than 7000 CFM are top of the line fans, so it is important you check online if the salesman pitch is for real or not exaggerated claims. My experience with ceiling fans with built-in lights are usually negative; the light or fan after a short while will develop problems, so I recommend against getting those 2-in-1 fans. Reason for us considering a 2 in 1 fan cum light for balcony is bcos space and elec point constraints. I just purchased and installed a Harbor Breeze Saratoga Platinum Series 60-in Fan (DC Motor) rated at 7344CFM at High (Speed 1-6).
We sat in the family room with the fan being 8′ above us, I had it on high but did not tell my wife. The new fan has a high CFM, but you just can’t feel the wind…is this normal, maybe I was expecting too much? Excellent place to start for a novice, really informative read as ever.I love the double fan.
I have a high ceiling roof with 223fsq area thinking of fixing those HVLS fan but wondering any reliable maker besides bigass brand from singapore? Hunter 42" Low Profile IV Ceiling Fan HU-51061 in Antique Pewter - Guaranteed Lowest Price. The Hunter 42" Low Profile IV is UL Listed for Indoor use only, so it is not designed to be exposed to moisture or harsh elements.
A Quality Rating of 4 is above average, the Hunter 42" Low Profile IV ceiling fan will run smooth and quiet and will give you many years of operation with no worries of the motor burning out. Basic Help: Our operational cost calculator estimates how much it will cost to operate the Hunter 42" Low Profile IV ceiling fan.
Hunter 42" Low Profile IV Ceiling Fan HU-51060 in Antique Pewter - Guaranteed Lowest Price. Emerson specially makes the damp rated blades from solid hardwood (instead of cheap plywood) that is treated to resist cracking and warping from being outside.
It is not a brand that we ever sold, so we would not have any fixtures on hand that were made by them. If you give us a call, we will be happy to help you choose the best fan for your needs and make sure you can install it. The bottom of the fan cage hangs 16.3" from the ceiling when installed with the 8" downrod. Hunter only made the triangular fixtures for a short period of time and they discontinued them several years ago (too many problems). When installed with a standard downrod, the regular Velo hangs down the same distance as the Velo Hugger, so the airflow is the same. A 5 rating is not just based on the motor inside the fan, but the overall consideration of the quality of the components and performance. Pay particular attention to the "Breeze Rating" and "MPH or Wind Speed Factor" which give you the best idea of how much cooling effect you might expect from this fan. We only recommended the Hunter 42" Low Profile III for small rooms or areas where very little airflow is needed.
Ceiling fans can save you a lot on your energy bills if you use them properly to reduce your use of central air. The cooler your ceiling fan can make you feel, the higher you can raise your AC thermostat to conserve energy without sacrificing your level of comfort. By default, the calculator assumes that you will leave your fan running 24 hours a day for the entire year (which is not very likely to be accurate), so you will want to change the hours and days to be more in line with how often you think you will use the fan.
If you add a light fixture to the fan, you can add the wattage of the fixture to the wattage of the fan to perform calculations with the lights on. It is more important to buy a fan with higher CFMs than it is to buy a fan that uses less electricity. The previous formula did not take into account that the testing chamber (cylinder) used to determine the CFM of a fan is 8" in diameter larger than the blade span.
CFM is the volume of air being moved every minute, whereas wind speed how fast the air is moving in MPH (Miles per Hour) or LFM (Linear Feet per Minute), both of which are directly related to the amount of wind chill effect. The wind speed of a ceiling fan can be mathematically calculated based on the CFM and Blade Span. Even though the 52" fan moves 35% less air than the 84" fan, the intensity of the breeze that produces a wind-chill effect is over 50% more than that of the larger fan and will make you feel much cooler if you are directly beneath it. We only recommended the Hunter 52" Low Profile III (2013) for small rooms or areas where very little airflow is needed. Please call us so that we can verify that you made your purchase from us and that your glass is in fact broken (email us a picture of your fan and broken glass).
If your ceiling is lower than 92.75" then you may need to add a flushmount adapter or close to ceiling dowrod if one is available for the fan (see below).
The closer you are to the fan blades, the more cooling effect you will feel, so 7 feet is the optimal distance from the floor for most residential ceiling fans to get the most benefit.
If your ceiling is over 30 degrees, you can by an Angled Ceiling Adapter that will allow you to install the fan on a ceiling angled up to 45.
Since we already know the horizontal measurement is 12", we only need you to enter in the vertical rise to make the calculation. However, most people are used to average ceiling fans, so if you have never experienced a fan more powerful than this, you may be satisfied with the Craftmade Solo. We would be moving into our new apartment soon, and one of our undertakings was to furnish our home with affordable ceiling fans that not only looked good, but most importantly, were also effective in moving air. Obviously, a more powerful motor would be able to spin the fan blades faster, and the faster they spin, the more air these blades would move. Since I was shopping for ceiling fans, I was curious to know the science behind the design of a ceiling fan. Ceiling fans, in contrast to air conditioners, do not lower air temperature or air humidity in our rooms.
Bassiouny and Korah in 2011 studied the airflow patterns in a room due to a single rotating ceiling fan.
This change in airflow velocity which rises then falls along the fan blade length is the so-called humped airflow profile. But shift slightly to our left or right and the airflow suddenly picks up, particularly if we stand at a distance of about midway between the fan center and the fan blade tip where airflow here is the highest. And how effective a ceiling fan moves air depends on several factors, one of which is the fan blade characteristics.
Having fewer blades or smaller blades may reduce drag but may also generate little airflow. In his 2011 study, he compared the airflow generated by an axial fan fitted with between two to six fan blades. There was little difference between 4, 5, and 6 blades in airflow generation (Falahat et al., 2011). These fans often have a blade pitch no more than about 16 degrees because after which, a more powerful fan motor would be required especially for high-speed rotations.
Falahat’s study suggests if the fan motor is powerful enough and not treated as a factor in ceiling fan design, then the optimum number of fan blades to have is four, and these blades should be tilted between 45 to 55 degrees from vertical for maximum airflow generation.
Afag and his associates in 2014 experimented between 0 to 10 degrees rake angle of a ceiling fan.
The purpose of these winglets is to smoothen the flow of air around the blades by decreasing the air vortices (turbulence) at the blade tip which in turn reduces the overall drag and energy use. Schmidt and Patterson in 2001 compared the airflow generation and energy consumption of nine ceiling fans fitted with metal, wood, and plastic fan blades. But I suspect some if not most of these modern-looking ceiling fans have been designed more for form over function; that is, they have been designed to look good but may not move a lot of air. Their blades can be sharply tapered, curved, spiraled, or twisted so that the blades do not have a constant blade width, rake angle, or blade pitch. It is the net or combined effect of these individual fan features that determines how much airflow can be generated. At their respective highest speed settings, the four-blade Deka fan spins noticeably faster than the two-blade Infinity fan – but yet, the Infinity fan generates noticeably more air movement than the Deka fan. But as ordinary consumers, we have to rely on information provided by the fan designers on how effective are their fans. Dividing the airflow generation by the power consumption gives the ceiling fan’s efficiency.
A good ceiling fan is typically those that can move 6,000 CFM or more air, have a power consumption of 30 W or less, and have a fan efficiency of 200 CFM per W or more.
Only with three blades but with careful design (such as using winglets and twisted blades), this fan, at top speed, generates about 5,800 CFM, consumes about 15 W, and has an outstanding fan efficiency of 383 CFM per W (photo from aeratron.org). Its developers claim that with Exhale fan, airflow is more uniform and gentler within the room.


While I am now more aware on what makes an efficient ceiling fan, I am also aware that it is difficult to tell if a ceiling fan is efficient simply based on its individual design features. I’ve been searching for a formula to calculate the flowrate of a desktop fan (not a pc fan!). I can also less easily get the tilt of the blades and the RPM, but I wonder if this is enough to calculate the flowrate.
I asked her what she thought and she liked it because it was quiet and she could feel the air, she asked me to put it on high so she could really see what this big fan could do, I told her it was on high and she was disappointed. You can contact Kichler directly and ask if they have a local dealer here in Malaysia or if they can send it to you.
We only recommended the Hunter 42" Low Profile IV for small rooms or areas where very little airflow is needed.
They will hold up much better than what you have experienced and are in fact rated for use in outdoor damp locations by the manufacturer. This fan may not allow you to raise your thermostat, so do not expect to save much on your cooling bills (if you have AC). Raising your thermostat by 10 degrees can save you up to 40% on your cooling bills, but you cannot raise your thermostat by 10 degrees if you focus only on ceiling fans that use less energy rather than ones that generate higher wind speed.
In some cases, when a light fixture of known wattage is included with the fan, the option to calculate with or without lights will show automatically. The highest wattage consumed by the most energy guzzling ceiling fan on our website is about 120 watts. Choosing a less powerful fan because it uses less electricity can be the worst mistake you can make because it will not cool you off enough to allow you to raise your thermostat to a high enough level without becoming uncomfortable. When you compare two fans that are different sizes yet have the same CFM you will find they produce quite different wind speeds.
Here is a comparison where we performed the calculations between 3 fans of different blade spans and CFMs. So, to cover a larger area, two or more smaller fans with good performance may be a better choice than a single large higher CFM fan. Once verified, we will get you a replacement at no charge (just another advantage of buying your ceiling fans here at Hansen Wholesale).
But today the designs of ceiling fans have become much more varied: they look more modern, distinctive, stylish, aesthetic – and more bewildering.
Ceiling fans cool us, but they do this only by increasing the air movement or airflow in the room. Only air conditioners can lower room air temperature and humidity (photo from klimatedi.by). Airflow is lowest near the fan centre but increases outward up to a certain distance from the ceiling fan. But increasing the blade size or fitting more blades to a fan may not necessarily generate more airflow because of the larger drag.
He found that maximum airflow was generated when the fan was fitted with four blades, and the blades ought to be tilted between 45 to 55 degrees to the airflow direction. They discovered that 6 degrees rake angle generated the most airflow, with the additional benefit that the fan motor did not have to work any harder. They found that ceiling fans with wooden fan blades generated the least airflow and yet consumed among the highest amount of energy.
Developing a ceiling fan that generates a large airflow and yet is quiet and low energy is a challenge because it requires a more thoughtful design that incorporates one or more key blade design features as previously discussed.
For instance, Falahat’s study, as previously discussed, revealed that four blades were the optimum number of blades. As mentioned earlier, these individual design features all act simultaneously to give the net outcome on whether the given ceiling fan is efficient.
Besides that could you suggest me with any other brand that is 5* with good energy efficient? Nonetheless, do a Google search might be useful to get you started in exactly what kind of equations you would need.
CFM measures how much air is moved, whereas RPM measures how many rounds the fan blades spin in a minute. The Harbor fan has wooden blades, so this explains its quietness, but wooden blades don’t move as much air as steel blades (keeping every other factors the same). However, the risk is there would no warranty or spare parts might be hard to find should the fan develop problems. If you can email me some pictures of your fan along with the model number (located on a label on top of the fan housing), I may be able to come up with an alternative that will fit. If you can only install a single fan, then I would recommend an even larger fan (up to 84") such as the Fanimation Odyn. To put this in perspective: A typical central air system uses about 3500 Watts when it is running, so if a ceiling fan that uses 100 watts allows you to raise your thermostat a couple degrees higher than a more "efficient" fan that uses only 50 watts, the savings you will get by raising your AC therestat a couple degrees higher is far more than the difference of 50 watts between the two fans. You can change this to use the average cost of electricity in your state, although this may vary widely from city to city. So if you input 120 as the fan watts and run our calculator, you will see that it still costs less than 2 cents per hour to operate the most energy guzzling ceiling fan in most states. The smaller fan must move air faster in order to move the same amount of air per minute (CFM) as the larger fan. Although this testing procedure can be valuable for comparing the performance of fans equal in size, it does not emulate a real application inside a home and does not make it easy to compare fans that are different sizes in order to determine the best size fan(s) for any particular application.
52?? Low Profile III is a traditional Hunter hugger ceiling fan with a high performance motor and lifetime warranty. This fan moves 5,800 CFM (cubic feet per minute) of air, making this fan comparable with other fans that have more number blades.
This increased in drag would also mean a more powerful – and presumably, a more energy-hungry (and noisier)— fan motor is required.
In Falahat’s study, the angle of blades to the airflow direction can be regarded as the blade pitch. The idea is to smoothen the so-called humped airflow profile, as mentioned earlier, so that airflow velocity remains more uniform along the blade length and at the same time, lessen the drag and noise. However, a two-blade ceiling fan could still generate more airflow than a four-blade ceiling fan.
Performance results for a high efficiency tropical ceiling fan and comparisons with conventional fans.
But the Harbor fan does have a very high CFM, so I am perplexed too why one should feel less wind than the other lower-end fan.
This is a special motor that Savoy House had designed for this fan and the performance and quality of the motor are excellent. With that said, a ceiling fan that uses less watts yet produces higher wind speed is a win-win. The airflow generated by the smaller creates more wind chill because it is more concentrated and has a higher wind speed. Each length will put the fan blades 7 feet from the floor, so if you want your fan blades higher than 7 feet, choose a shorter downrod to fit your needs. It is today common to find ceiling fans fitted with between four to as many seven fan blades. Whenever an object moves through air, it experiences an opposing force to motion called as drag. Having more blades also adds weight to the ceiling fan and again, a more powerful fan motor is required.
Tilting the oars even more would move the boat even farther as more water would be pushed away.
Schmidt and Patterson further found that ceiling fans with metal blades generated the most airflow but were also among the noisiest. One way is to increase the blade pitch of the two-blade fan until the pitch is large enough to generate more airflow than the four-blade fan. This is not to say Deka fans are bad, just be aware Deka fans are not designed specifically to be fast. If there’s nothing wrong with the Harbor fan, other factors like the size of your rooms could explain why this fan seems to move less air. Affordable and quiet, the Hunter Low Provfile IV fans are perfect for small rooms with low ceilings. Please call us at: 1-800-201-1193 and we will be happy to discuss all of your options and help you make an educated decision.
The larger fan of equal CFM moves air over a larger area so it is less concentrated at a lower wind speed. It is this drag that slows down motion, reduces airflow, and increases energy consumption of a ceiling fan. However, rowing the boat would become increasingly difficult if the oars are tilted to increasingly steeper angles. If your family room is large, a single fan, even if it has a high CFM, may not adequately move enough air. So when determining what size fan to buy you must consider the amount of space a fan will cover (the diameter of the fan plus a foot or two), the intensity of the airflow directly beneath the fan (the wind speed) balanced with how any particular size fan will look or fit in the space. Perhaps you could move the Harbor fan into your bedroom (where it spins quietly whilst you sleep) and install two fans in your family room.
Ultimately the largest fan with the highest wind speed that will look fine in the area is the best choice for performance. I know my advice isn’t much, but I hope I have at least provided some helpful hints in solving your problem.



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02.11.2013 admin



Comments to «Lowest profile ceiling fan available 2014»

  1. Podpolniy writes:
    Clockwise so that the fan will pull the cold given.
  2. ILOAR_909 writes:
    Have a particularly fancy user interface for a lot of years, so be ready to spend that exact same.