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To push air down on top of you, that air needs to be pulled into the fan from above the fan itself. How far should a ceiling fan be from the ceiling?Īgain, air circulation is key. Especially as good engineers and designers will balance all these factors when creating your perfect ceiling fan. These fans circulate less air but are quieter.įans with two or three blades can run faster and generate more airflow, but they tend to be noisier.īut as all fans are designed to be run at multiple speeds, the blade number doesn’t particularly matter. In general, fans with more blades produce more drag on the motor and slow it down. The optimal pitch is between 12 to 15 degrees. The greater the pitch (angle) the more air it can move. This is the angle of the blade and determines how well it moves the air. The blade pitch is probably more important.
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44 inches is the most common and will be appropriate for most bedroom sizes.
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In the end go with what your ceiling fan recommends on the box. Length of the longest wall Ceiling fan size Less than 12 feet 29” – 36” 12 – 15 feet 40” – 48” More than 15 ft 52” or larger This makes sense, as clearance from the walls is important for air circulation. Home Depot takes a different approach and recommends fan sizes based on the length of the longest wall. If you google this topic, you’ll find many tables listing the appropriate fan size for a given room, based on the room’s square footage.
CLOCKWISE CEILING FAN INSTALL
For long, large, rectangular rooms, you can install two ceiling fans, one at either end. If your room is rectangular you have the option of installing it off-center. Which is why ceiling fans are almost always installed dead center of the room. If the blades are too close to the sides of the room, that air circulation will be limited. The fan works best when there is room above and around it for complete air circulation.
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It’s important to install the correct sized fan in a given-sized room.īigger isn’t necessarily better. Two times the radius is the diameter, or fan size. You can also measure the radius, or the distance from the center of the fan to the tip of one of the blades. In other words, the diameter of the circle that the “blade sweep” creates. Sitting or sleeping in a room with a fan, you may be able to tolerate up to 74, or even 76 degrees, before turning on the AC.Ĭeiling fans use very little electricity compared to your AC, allowing you to save on energy costs.įans are measured from the end of one blade to the end of a blade on the opposite side. This is the temperature where you feel most comfortable, given the clothing you’re wearing or bedding you’re sleeping in. Perhaps your perfect indoor summer temperature is 72 ✯ (22 ✬). Not only do they help circulate the new cool air, but you may be able to turn your thermostat up a degree or two. Using ceiling fans with air conditioning to save energyĬeiling fans make a great supplement to traditional air conditioning. If it is very hot, unfortunately, fans won’t help much. Therefore, we may be able to tolerate a higher degree or two in temperature. This is called evaporative cooling.Īlthough this sounds like a small thing, it may be significant to our comfort. Moving air helps evaporate sweat and heat from our skin, cooling us down. How do fans cool you off?įans don’t lower the temperature of the room, simply our perception of the temperature. Just check that all your fans are going in the correct direction. Instead, we reserve them for hot days and keep them going in one direction only. Even on a clockwise setting, they may still feel a bit too “blowy” for our comfort. Most of us don’t use our fans in the winter. Your clockwise ceiling fan will push that warm air out into the room. Warm air rises, so your ceiling is holding the nice toasty air. This will create an updraft, pulling cool air up underneath the fan, away from you. Your fan is now turning in a clockwise direction, rotating to the right. (First, turn off your fan…) and flip the switch. Somewhere on the base of the ceiling fan is a tiny switch. This creates a downdraft, pushing air directly down on top of you. If you are standing under your fan it should be rotating to the left. The “standard” direction is counterclockwise, intended for cooling But did you know they rotate in two different directions? Whether you have air conditioning or not, ceiling fans are a great supplement to help keep you cool. **This page contains affiliate links and I will be compensated if you make a purchase after clicking on my links** BONUS VIDEO: Sleep Cool in Summer | Chapter 2: Use Fans.Why can’t you feel the air from your ceiling fan?.How far should a ceiling fan be from the ceiling?.Using ceiling fans with air conditioning to save energy.