Fan recommendation

I need to replace a good quality fan that has served us well for many years. I want to get a fan that:     Moves a lot of air     Will last a long time     Is reasonably quiet for the work it does     Lowest reasonable power consumption
The fan should be approximately 22-24" or so wide. In case it helps, you can see the fan that is being replaced at:
http://j7000.com/e/fan.jpg
Are there particularly good models and/or brands I should consider? Info on where they are sold would also be helpful.
Thanks.
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snipped-for-privacy@aol.com wrote:

What's wrong with the one you've got now?
Jon
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For fans in a living area, I sometimes prefer square-boxed fans, since you can set things on top of them.
Also a consideration for living areas, I would suggest getting a fan with plastic blades. That way you won't get the tip of your finger cut off if your moving it around while its on and the cage gives way or comes apart.
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wrote:

Box fans cannot move a lot of air or they would tip over. You can't simply set the one I am replacing on a slick table as it will blow itself off the table. The design of the stand keeps it from tipping itself over.

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snipped-for-privacy@aol.com wrote:

You must have had a bad experience with a poorly designed box fan. The one I use has a beefy metal frame that gives it enough weight that it is perfectly stable.
Besides, the grip that a fan has on a slick table is mostly determined by the type of feet that it has, which is irrespective of the shape of the fan's frame.
I have a fan just like the one in yor picture, and *my* box fan can move just as much air without any problem.
The main advantage of a fan like the one in your picture is that is has a seperate base that allows you to point the fan at an angle. That, and the angled nature of that particular base provides a wider footprint, which will increase stability.
Of course you can also find box-fans that have such a swivel-base.
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In forth:

http://www.vornado.com/ProductDetail.aspx?ISC_Category=Heavy+Duty+293
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snipped-for-privacy@aol.com wrote:

I wish I knew more about choosing from the hundreds of fans on the market.
If you need to a certain volume of air, bigger should be more efficient. For example, if a 20" and a 10" model are both designed to move the same volume per minute, the speed of air from the 10" model will have to be 4 times faster, and that means 16 times more energy.
A good fan is designed to move a certain volume. It's less efficient if run faster or slower. I imagine with many three-speed fans, "high" is to make sales by showing off and is not efficient.
Twenty years ago I made an impulse purchase of a cheap 12" table fan in a drugstore because it was quiet and moved air adequately. After perhaps 20,000 hours, it's still working fine. On "low" it's quiet and uses only 25 watts, but it will provide a cooling draft across the room. Like a classic metal table fan, it has a wire cage.
Relatives brought a 10" version by the same manufacturer. It's noisy and less effective.
Ten years ago I bought what looked like a 12" table fan on the internet. It's the kind where the blade is hard to see inside the globe-shaped plastic shroud. After buying it, I found that the blade is only 10". It's noisier than my 12" fan, and harder to clean.
I have an old steel 20" box fan that takes 400 watts and weighs 29 pounds. The bearings have become noisy. I also have a flimsy 19" plastic box fan that takes 200 watts and weighs 9 pounds. It doesn't blow nearly as well as the old metal fan, but the plastic one is what I use to ventilate at night. On "medium" it's quieter, uses only 100 watts, and may move nearly as much air as on "high."
When it comes to ventilating a house at night, I, like you, wish I knew more about the available fans.
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E Z Peaces wrote:

I always go for the biggest one. A larger fan can move more air with fewer rotations, compared to a smaller fan, which means it will make less noise (generally speaking).
Such differences are dramatically noticible with computer fans. Replacing a screaming 40mm fan with a nearly silent 100mm fan makes a world of difference.
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On Jul 17, 12:30pm, snipped-for-privacy@aol.com wrote:

the peace that is delivered by a quiet fan is valuable. more research on the left click on ventilation at: http://www.energyfederation.org/consumer/default.php see a good hvac article and more at: http://www.buildingscience.com/documents/insights/bsi-022-the-perfect-hvac
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