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Fan in a conservatory-Help please

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lilacben | 10:41 Mon 17th Jul 2006 | How it Works
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Our new conservatory is very hot so my husband put up an electric fan, the same as the one in our bedroom. However when we put it on it doesn't seem to give any cold air. It is put together right and is the same make as the bedroom one, could anyone gives us some ideas as to what to do. many thanks. oh even when you put your hand right under it you only feel a small draft. and yes it is on down air and not up.
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I know you said it was put together right, but are you absolutely sure you put the fan blades the right way around? Put your hand behind the fan and check if the air is cooler on that side. If so, reverse the fan blade.
I only suggest it because it's a mistake my husband and I made once.
Bear in mind that fans (any fan) just push the air around. Its the same temperature air - its just that moving air 'feels' cooler because it shifts the even hotter air that nestles next to the skin (insulation effect of the body - think of how much colder it feels in the winter in a cold wind). If the air in the conservatory is THAT hot, it perhaps appears to have no impact. You could try buying one of those little self-contained air-conditioning units that you put cold water into?
Hi Lilacben

Try changing the height from the cieling (I presume it is a cieling fan..coz you cant get the blades wrong on a pedestal fan!!) My theory...a higher circulation area above the fan = more air. On the contrary...if it is closer to the cieling = less circulation area (I could be wrong).

And also your cieling may be too high up for the fan type....

Further references :-

http://www.csnceilingfans.com/asp/show_content .asp?CpID=146&settab=4#Downrod

[http://www.hunterfaninternational.com/support/fan-faq.php?origx=38#17]



What is the difference in having a ceiling fan installed close to the ceiling versus on a downrod - I have seen both ways.
For maximum performance and greatest energy savings, ceiling fans should be installed approximately 2.3 meters above the floor. Extension downrods are used to properly position fans from ceiling heights greater than 2.3 meters. For example, a 3.65 meter ceiling would need a 1 meter downrod to position the fan at 2.3 (30cm must be allowed for the distance from the top of the fan motor to the switch housing bottom). [http://www.hunterfaninternational.com/support/fan-faq.php?origx=38#17]


Hope this helps and hope you have a cooler summer. :)

PS: I am NO engg. this is just a suggestion and is not to be taken as advice; as a whole or parts of herein. This is a suggestion only and I take no responsibility of any action that may arise due to this...(just to cover my own back!!!)

Question Author
Thankyou so much for that information it has been very helpful. It looks like we need a longer downrod so will have to look into that. once again thankyou
You should remember that when you have a fan at the ceiling height you will bring down the hot air which has natuarally risen to the highest point. The air then circulates around making the whole area slightly warmer.

As in India etc. the 'Punkah wallah ' only slightly moves the air to give a slight cooling draught.

Any fan only brings hot air down, and in actual fact they are now commercially produced for that very purpose.
Hard@it
Is there a little switch on it that can be changed to circulate cool air up or down. Sounds silly, but we had n`t noticed this on our fan.
further to beejays reply our conservatory fan has a switch on the side so you can control the direction the fan rotates
in the winter warm air which has risen to the roof can be re circulated downwards and in the summer warm air drawn upwards
baz
Question Author
Thankyou to all that have answered me. We have now ordered a 12inch downrod as we think this must be the problem. being as the roof is slanted there is little room at the top. My husband changed the one in the bedroom over into the conservatory and that was the same where as in the bedroom we get a great swirl of cold air.

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