Air King 9314 14-Inch High Velocity Industrial Fan - Multi Mount, Black | Powerful Cooling for Warehouses, Garages & Workshops

Air King 9314s are extremely good wall mount fans for the price, but be gentle and pull at the correct angle with the weak speed-changing ball cord.We have now purchased six 9314s over the last decade in addition to two 12" models we no longer prefer. For the primary application, we always sleep with a fan blowing over our us, no matter how cold or warm it is. And we have them in our guest rooms because they don't have AC. We change the speed about four times per year and learned that one has to be very careful with the ball chain-cord or it will break off inside the unit. It's very cumbersome to fix. Tip: The easiest way to "fix" it is to cut a hole in the casing, taking them all the way apart is a HUGE hassle unless you have a machine workshop.The Air King 12" models are much louder to move the same amount of air and seem to last less long. Expect three to five years of perfect constant operation from a 9314 and a year less or so if you turn it on and off frequently. After a few years, they start to develop noises. Use a leaf blower on them one to four times per year to remove the bulk of the dust and hair.We also use them in our business offices to allow us to keep the temperature higher. Some people don't like sitting in moving air, but if you can get used to it, it makes the air temp feel 5-10F cooler.We have only had one actually full fail out of the eight Air Kings we've purchased. We've retired four of the eight for being too noisy for bedrooms, one moved to a place where we don't care about squeaking.As a little background, I also buy and use much more expensive commercial fans for use in agricultural and industrial venting applications. Professionally, I pay about 4-10 times the price of these Air Kings for similar CFM ratings (though they are not exactly one-to-one equivalent). The commercial ones I use have louvers and are designed to be built into walls, etc.If Air King fixed the chain cord angle problem and/or replaced with a switch, these would be much better. Hide the cord from your guests so they don't yank it off by accident.