Air conditioning - again

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Thu 17 Dec 2009 09:58
Air conditioning - again - oldgit
Forgive me if this has been discussed before but I can't remember where but I thought it might have been here. However, my question is, what is the minimum outside temperature below which a car's aircon system won't engage or operate as it would be useful for it to be 'on' when the outside temp. is, say, 0 celsius in order to remove interior condensation. However I'm sure that it won't work under these conditions.
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Thu 17 Dec 2009 10:25
Air conditioning - again - TheOilBurner
It depends on the make. Some (few) will work as low as zero, others stop at four degrees.
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Thu 17 Dec 2009 10:30
Air conditioning - again - Dynamic Dave
Now I could be wrong, but doesn't the dehumidifying bit of the AC still work regardless of the outside temperature?
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Thu 17 Dec 2009 10:36
Air conditioning - again - softopdriver
Now I could be wrong but doesn't the dehumidifying bit of the AC still work
regardless of the outside temperature?

I'd be interested to know this as well, and does the compressor kick in for this to be so? If it should, then my A/C is definately in need of some attention, as the car is misting up something chronic recently.
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Thu 17 Dec 2009 10:45
Air conditioning - again - Old Navy
www.honestjohn.co.uk/forum/post/index.htm?v=e&t=80...0
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Thu 17 Dec 2009 10:51
Air conditioning - again - Hamsafar
Mine (VW) definitely works when it's around freezing, and very useful it is too, the inside evaporator goes down to -6degC when measured with an infrared thermometer.
It would probably cut out eventually to allow any ice to melt and drain away.

Edited by Hamsafar on 17/12/2009 at 10:52

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Thu 17 Dec 2009 13:15
Air conditioning - again - oldgit
www.honestjohn.co.uk/forum/post/index.htm?v=e&t=80...0


Thanks for that link. I knew that I had read it somewhere but my search criteria of 'aircon' was obviously not accurate enough.
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Thu 17 Dec 2009 15:42
Air conditioning - again - idle_chatterer
Only when the condenser is below the ambient temperature, therefore if it can get to (say) 3DegC it'll dehumidify until this point (as moisture in the air will condense on it), below that it's just an ornament.
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Thu 17 Dec 2009 17:21
Air conditioning - again - Dave_TD
I tried to get the same point across in the other thread IC, but your way of putting it is much more concise :-)
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