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Why fan not give hot air?

Question asked by ankita15 in #Coffee Room on Feb 3, 2010
ankita15
ankita15 路 Feb 3, 2010
Rank E2 - BEGINNER
if a fan can give cold air in summer then y we cannt get hot air fm the same fan in winter???????😎 Posted in: #Coffee Room
Kaustubh Katdare
Kaustubh Katdare 路 Feb 3, 2010
Rank A1 - PRO
ankita15
if a fan can give cold air in summer then y we cannt get hot air fm the same fan in winter???????馃槑
Please do not use SMS text anywhere on CE.

Your question is not clear. Could you explain your question a bit in more detail?
Vega
Vega 路 Feb 4, 2010
Rank C2 - EXPERT
A simple household fan doesn't give cold or hot air. It simply creates flow of air.
2467
2467 路 Feb 4, 2010
Rank D2 - MASTER
are you sure the ques is right thats on your mind? if not, elaborate
raj87verma88
raj87verma88 路 Feb 4, 2010
Rank A3 - PRO
As vega said a fan creates a flow of air in the room. In summers you sweat, the flowing air evaporates the sweat and cools you. Try a simple experiment, blow air on the back of your hand, then wet the hand and again blow air over it, and feel the difference.
Ashraf HZ
Ashraf HZ 路 Feb 4, 2010
Rank A2 - PRO
ankita15
if a fan can give cold air in summer then y we cannt get hot air fm the same fan in winter???????馃槑
Well, I suppose you mean a device that can blow hot air, in the same context that a fan that can blow air to "cool" your skin.

There are heater devices out there that are shaped like desktop fans, but consists of a parabolic metal dish that emits heat from a heating element at the focal point. This dish also oscillates like fans do, and have a range of about 5-6m. Having a rotating blade might technically blow heated air to you, but that'll surely decrease the efficiency of the heating element.

Perhaps a hybrid device to incorporate a fan and heating element will suffice, though I doubt you'll actually have a synergy with them.
himalayan
himalayan 路 Feb 6, 2010
Rank D2 - MASTER
Fans are especially used in summer so their is no need of fan in winter because everybody like to safe themselves through other sources.

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