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On some of these fuel saving tips lists you will hear it said that Air Con can add 10% to fuel consumption.

I've done rough and ready testing and have never found this to be so. I have mine on most of the time as it helps with demisting as well. I only tend to turn it off when you get dry mild days.
 

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I believe our main man Pottsy did a post on this years ago, when he had his 2.2.
About 2 miles to the gallon less with it on.
I never noticed any difference.
Good idea to run it a couple of times a week at least, to keep the parts oiled as it were.;)
 

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Discussion Starter · #6 ·
Stupid question time again but the manual refers to climate control and air con and they have different options, are they one in the same or are they different?

Sent from my GT-I9100 using Tapatalk
 

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You'd use more fuel driving around with your window open that using your climate control at higher speeds. The AA did a test on this.
 

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UKDM
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^^ providing your aircon is working efficiently which most arnt if they dont get re gassed every couple of years.

When mine is on cruise and I switch the climate on I can feel it sap some of the power there is almost a judder so I would be surprised if its not a noticeable amount. This is one of the main reasons people get bad MPG this time of year
 

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Climate control and air conditioning are two different things really!

Climate control can be set to 'auto' as in the air con will be on and it will regulate the temperature to a set point.

Climate control can also be on but set to A/C off, in doing this the climate control will do its best to keep to a set point. Obviously if it's boiling hot outside it will never cool enough without the air con though.

At this time of year though, I only ever have the air conditioning on periodically to give it a run. It's really not needed unless your windows keep misting up.
 

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Supporter
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As with Booboo, I have run my car with the Climate control Permanently ON since the day it came out of the showroom.:)
+1

Have ran it on and off and difference is negligible unlike my old Mondeo which would drink fuel with A/C on. I think the Civics manual claims it uses less than 1% extra fuel with it on.
 

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I made the mistake of turning my aircon off in my last car, eventually the seals dried out, lossed gas and needed alot doing to make it work, all because i never used it. Ill never turn my aircon in this car off. Plus i like it cold!
 

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I'LL NEVER WALK ALONE
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I've never turned my climate off.
+1
unless i'm rolling with the wndows down and the system up ;)

the difference is negligible....and shouldn't bother you tbh
 

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I made the mistake of turning my aircon off in my last car, eventually the seals dried out, lossed gas and needed alot doing to make it work, all because i never used it. Ill never turn my aircon in this car off. Plus i like it cold!
^^^ If you have a search around the internet you will find that aircon specialists all advise that it should be run permanently to prevent the seals drying out. Once they do, it will very soon need regassing. I leave it almost always on auto unless I feel that the initial fan speed is too high.
 

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If you have a 1.4 the Aircon hammers the performance, especially on a hill or when you need that little extra power. I run with the Climate control permanently running but I switch the AC on and off manually because the car mists up. In the summer though, the AC is never switched off.

MP
 
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