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01-23-2009, 11:34 AM | #1 |
Drives: 2008 Yaris 3-door Meteorite Join Date: Oct 2008
Location: Southeast
Posts: 398
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"Brainless" question about AC
Or "dumb girl" question, if you like; this isn't necessarily peculiar to the Yaris, but should the fresh air vent be kept open generally or in the "recirculating" position??? I know you need recirulate to defrost thanks to that little icon...
But for normal driving/sitting? |
01-23-2009, 11:50 AM | #2 |
Oooh, pick me, pick me! I know the answer!
I thought this was a question specifically for me at first - got kind of excited for a minute there. The recirculating thing is good when you're running AC on super hot days, but if you run it that way in the winter your windows will fog like crazy. I learned this when I had my Accord. |
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01-23-2009, 12:18 PM | #3 |
Drives: '08 Yaris sedan , '08 Liftback Join Date: Oct 2008
Location: Northeast
Posts: 643
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here you go , MONTY PYTHON's " Race of the Twits " , www.youtube.com/watch?v=rCyr1ugzxXM .
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01-23-2009, 12:24 PM | #4 |
vroom vroom
Drives: lil red 5-door Join Date: Sep 2006
Location: Bangkok, Thailand
Posts: 7,744
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I suppose it depends on humidity and outside temperature... also remember that recirculating air is not a bad idea if you're stuck behind a garbage truck
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01-23-2009, 12:26 PM | #5 |
What?
Drives: 2007 Yaris LB Join Date: Nov 2008
Location: Safety Harbor, FL
Posts: 1,006
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The answer is "it depends". (and I agree a better subject line would be good... tell us WHAT the question is about in the subject)
In a car without AC, you'll have major fogging problems in cold and rain unless you keep the fresh air coming in (and blowing at the windshield in particular). With AC, the AC dehumidifies, so you can run recirculate and it might even be better to do so. In cold and damp weather, it's all about humidity control. That's why the Yaris automatically kicks the AC on with the defrost setting, to dehumidify. In better weather, recirculating will give you cooler AC (like Kentucky girl said), which you might need if it's really hot. But, it's largely a matter of preference... there's something to be said for fresh air. Or depending on where you live, maybe not! I generally leave mine vented except when it's really hot and I need the extra cooling. |
01-23-2009, 12:32 PM | #6 |
Drives: Black Vitz Liftback Join Date: Dec 2008
Location: Salt Lake City
Posts: 238
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The best position is to keep it open allowing fresh air to enter the cabin. The cabin filter does a great job grabbing dust and what not, but it does not help with odors-so I switch to recirculate only when behind a stinky diesel or a old car that's belching smoke. If you leave in on recirculate more often than not you might get mold growing in your ventilation system with musty odors to follow. Keep it on fresh-it works better.
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01-23-2009, 04:33 PM | #7 | |
Drives: '08 Yaris Join Date: Oct 2008
Location: Dover, Ohio
Posts: 7,606
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Quote:
(Off-topic) What part of Kentucky are you from? |
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01-23-2009, 05:36 PM | #8 |
01-23-2009, 05:41 PM | #9 | |
Drives: '08 Yaris Join Date: Oct 2008
Location: Dover, Ohio
Posts: 7,606
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Quote:
I'm central Ohio area. Was just wondering if you were relatively close to Cincinnati. |
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01-23-2009, 07:53 PM | #10 |
Drives: 2007 Liftback white Join Date: Sep 2007
Location: Fort Lauderdale, FL
Posts: 122
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When its real hot out, recirculating the air will keep the AC cooler
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01-23-2009, 08:41 PM | #11 |
OMGWTFKITTYKATMEWMEWMEW
Drives: 2008 Yaris S Join Date: Oct 2008
Location: Hawaii
Posts: 273
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It all comes down to personal preference and where you live and the weather there.
One thing though, my dealer instructed me to leave the vents open when I'm done using the car (mainly if I use the a/c). He told me this helps prevent the a/c system from staying moist and eventually producing that stink/mildewy scent that people sometimes experience a couple years into car ownership.
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01-23-2009, 09:19 PM | #12 |
Drives: 2000 Civic Join Date: Oct 2008
Location: Texas
Posts: 20
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01-23-2009, 11:44 PM | #13 |
Clean and (dis)Functional
Drives: Yaris 2dr--Black Betty Join Date: Mar 2007
Location: Tropical Minnesota
Posts: 562
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I had a total block of ice under the dash in an old 280Z once....it blocked all flow of air!
It was extremely humid out and the fresh air condensed and froze. Recirculating may have been able to dehumidify the air before it did this (maybe).
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