strange question about aircon

You won't notice any economy difference with the air con on. You will probably notice the repair bill you'll get when it stops working after a few years of infrequent use :)
 
You won't notice any economy difference with the air con on. You will probably notice the repair bill you'll get when it stops working after a few years of infrequent use :)
I appreciate the feedback from you and everyone else. I was under the belief that it affected mpg by like 5-10 (lol) and when you drive (before lockdown and from July 4th) 60 miles a day, it adds up.

Just had a 30 mile drive, aircon is fine, didnt smell after so hopefully its drained something.
 
Ok, I have to ask, why do you need a different temperature in Winter to Summer? If 19.5c is comfortable, it's comfortable isn't it? The whole point is that the car will decide when it's time to heat or time to cool? Don't think I've changed the climate settings since getting the car.

I don't even adjust it when I open the roof on the TT.
You're describing climate control. Not air con. The two are different. However, I suspect the op means Climate and not air con.
 
there is a huge difference between air temperature and direct sunlight hitting you.

Which is why the climate control has a sun load sensor to counter the solar gain from the sunlight.

20c setting in summer won't feel the same out the vents as a 20c setting in winter for this reason. The system knows that the direct sunlight is having a stronger heating effect and will adjust for this in the choice of vent temperature.
 
First thing I’d do is stop turning the A/C off. Why do it at all?

thats's not true, if you are using the car irregularly ... and its been running just before you turn the car of, you have moisture full air that remains in the system, and becomes a petri dish in the current temps., so you're best turning it off a few miles before the destination to allow it to evaporate.
I don't have climate control and have always done that religiously.
 
anyone who claims to have got in their car after being parked outside today and kept the CC at a mild 20c is two degrees short of a qualification IMO.
 
It's not going to cool the car any quicker set to 17 than it is set to 20...
Quite! People just don’t seem to grasp that though. Probably the same people who turn up the thermostat at home when they get home on a cold winter’s day, “to heat the house quicker”.
 
I appreciate the feedback from you and everyone else. I was under the belief that it affected mpg by like 5-10 (lol) and when you drive (before lockdown and from July 4th) 60 miles a day, it adds up.

Just had a 30 mile drive, aircon is fine, didnt smell after so hopefully its drained something.
On my truck the air conditioning makes roughly .5 mpg difference, this is however with a 13.6 litre that averages 10-11mpg on a good day....

Leave it on, I barely used my AC in my car over the last few months - barely used the car tbh - and now all of a sudden it’s got no gas in it & blowing warm, had it looked at and that was the testers opinion.

I elected to have it regassed and leave it on, had it tested a week later and no loss of gas so I’m assuming the system has relubricated itself and appears to be holding its gas charge.
 
I have an Audi A3 2L TDI Sline and ive noticed more recently. Once I turn off the aircon (itll be on maybe 10-15mins, turn off it when I get within 2 mins from home) It smells like vinegar or something, just a strange smell.

Not sure this is usual for this car? Any help would be welcome

This is normal as you're thermal cycling the plumbing, when it gets chilling again the moisture build up and stale air has to react in some way.

The real issue is why is the AC being turned off... It should always be left on and set to a constant temp unless for exceptional circumstances. I set mine to footwell only and blast it out when the roof is down in this weather as the HVAC doesn't prioritise what I "want" in that situation when the roof is down and it's actually really nice and cosy this way.
 
It's not going to cool the car any quicker set to 17 than it is set to 20...

When set to "Lo" the car max's the fan and recircs the air, so yes, it is going to cool the car quicker than if the temp was set to 20. That is the target temperature. You don't want 20c in the car when it's been sat in the sun all day and you get in it. The climate control utopia you are describing would basically make the whole system pointless. The dealer may as well ask you want temperature you want your car set at all the time, hard code it, and never let you change it :p
 
anyone who claims to have got in their car after being parked outside today and kept the CC at a mild 20c is two degrees short of a qualification IMO.

I must be mental then, the car was set to my usual 21 degrees today, although I did drop it to 20.5 after I’d got hot and bothered at the tip and felt like being a bit cooler :)

Don’t think I’ve ever had the need to go much lower.

I know a blast on the ‘low’ setting will cool things a bit quicker due to high fan speed and air record, but can’t really say I’ve ever had the need for it.

Popping the sunroof a bit helps clear the air a bit when first getting in :)

Remember my parents first car with climate on a trip to France during a mental heat wave, they couldn’t grasp you just set the temp and leave it.

Was constantly flicking between being set high as the fans were too noisy when low and it was too cold, or set low as it was too hot.

Fell on deaf ears when saying just leave it, the fans will die down once it gets to temp you want.

Quite! People just don’t seem to grasp that though. Probably the same people who turn up the thermostat at home when they get home on a cold winter’s day, “to heat the house quicker”.

Reminds me of that scene in Peep Show about setting the temp high to trick the boiler to work harder ;)
 
I just leave it on in my m3 (not that you'd tell a difference in mpg:D). The fans ramp up massively when it's trying to cool, not just when set to low. I leave mine at 20 with the occasional dip to 19.5, although mine comes with the little mixer thing so not sure how much that affects temps, I temp to leave that either in the middle in winter or to the left in summer:p.
 
When set to "Lo" the car max's the fan and recircs the air, so yes, it is going to cool the car quicker than if the temp was set to 20. That is the target temperature. You don't want 20c in the car when it's been sat in the sun all day and you get in it. The climate control utopia you are describing would basically make the whole system pointless. The dealer may as well ask you want temperature you want your car set at all the time, hard code it, and never let you change it :p

You do realise if the car has been "sat in the sun all day" then the interior temperature is probably 45+? You could have it set to 25 nevermind 20 and it'd still chuck out cold air and make you cool.

I got in my car yesterday and by 'eck was it hot in there. It was 30 degrees outside and everything inside was uncomfortable to touch. My climate is set to 20 and I let it do its thing. It blew a gale for a few minutes and then settled down, by which time I was comfortable.

Let it do what it's designed to do.
 
You do realise if the car has been "sat in the sun all day" then the interior temperature is probably 45+? You could have it set to 25 nevermind 20 and it'd still chuck out cold air and make you cool.

I got in my car yesterday and by 'eck was it hot in there. It was 30 degrees outside and everything inside was uncomfortable to touch. My climate is set to 20 and I let it do its thing. It blew a gale for a few minutes and then settled down, by which time I was comfortable.

Let it do what it's designed to do.

Yep, I just want it colder quicker, to stop the beads of sweat on my forehead. Then I pop it back up to a balmy 18. (can't do half numbers, it plays up my anxiety)...
 
Unless you drive a 1997 Astra it isn't getting cold quicker. It's designed to know you want it to be 20c as fast as possible when you get in a stuffy hot car. This is why the blower goes mad when you first set off..
 
I suppose the £40K question is can you remotely enable A/C on a m3


and, since we are now a science driven society -
https://www.skoda-storyboard.com/en...tips-on-how-to-use-air-conditioning-properly/
Jan Hrnčíř
air-conditioning development coordinator
You can stop mould from forming in the summer by manually shutting off the air-conditioning shortly before reaching your destination so that the airflow clears the system of humidity. Alternatively, leave the air-conditioning on automatic mode all year round, even in winter.

so maybe he should turn it off earlier than 2minutes before destination
 
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