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Old 08-12-2018, 12:03 PM
 
3,527 posts, read 6,521,504 times
Reputation: 1448

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When it's hot and I have the AC on, I crack the windows also. People tell me you should always close all the windows if you're using AC. This is also true in one's house. However, I feel more comfy if the windows are cracked open because it moves the air.

When I first get into a car and it's hot, I open the windows all the way and turn on the AC. This blows out the hot air. After five minutes I shut the windows. In the long run, isn't that a good idea?

Totally different subject:

Have you noticed that bigger cars have a rear window wiper but the wiper doesn't even clean 50% of the rear window? It's funny, almost, like you might as well not have it.
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Old 08-12-2018, 12:54 PM
 
Location: Eastern Tennessee
4,384 posts, read 4,381,108 times
Reputation: 12679
Do you not use your recirculate feature with your air conditioner?
Doesn't the wind noise from open window bother you?
Having window 'cracked' while a/c going is inefficient -- esp in humid conditions.
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Old 08-12-2018, 01:53 PM
 
Location: Riverside Ca
22,146 posts, read 33,503,954 times
Reputation: 35437
The open windows to let the hot air put is fine.

Close all windows when you have the AC on. Your car has exhaust vents so the air does circulate and escape. Otherwise you would be building a positive pressure chamber in your car
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Old 08-12-2018, 06:18 PM
 
505 posts, read 846,924 times
Reputation: 1183
I open the windows to let out the hot air. Continuing to drive around with the windows down & A/C on just keeps bringing in hot air and is counterproductive.
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Old 08-12-2018, 07:57 PM
 
Location: North West Arkansas (zone 6b)
2,776 posts, read 3,244,991 times
Reputation: 3912
i drive with the ac on and the top down unless it's crazy hot and sunny
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Old 08-12-2018, 11:16 PM
 
Location: NNV
3,433 posts, read 3,746,637 times
Reputation: 6733
Quote:
Originally Posted by robertpasa View Post
When it's hot and I have the AC on, I crack the windows also. People tell me you should always close all the windows if you're using AC. This is also true in one's house. However, I feel more comfy if the windows are cracked open because it moves the air.

When I first get into a car and it's hot, I open the windows all the way and turn on the AC. This blows out the hot air. After five minutes I shut the windows. In the long run, isn't that a good idea?
The car is not completely sealed anyways even when the recirculation feature is on. There is still some airflow that comes in and goes out the car.

If the car was perfectly sealed, you'd eventually die from lack of oxygen...
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Old 08-14-2018, 09:26 AM
 
Location: Keosauqua, Iowa
9,614 posts, read 21,257,171 times
Reputation: 13670
Quote:
Originally Posted by robertpasa View Post
When it's hot and I have the AC on, I crack the windows also. People tell me you should always close all the windows if you're using AC. This is also true in one's house. However, I feel more comfy if the windows are cracked open because it moves the air.
Opening the windows with the AC on is inefficient, but it's not going to kill anybody so you should do what you want.

Quote:
When I first get into a car and it's hot, I open the windows all the way and turn on the AC. This blows out the hot air. After five minutes I shut the windows. In the long run, isn't that a good idea?

That's what the owner's manual says to do, or at least that's what it said back when I read them. I don't think it would take five minutes, though. And I really don't know that it has any real impact "in the long run".

Quote:
Totally different subject:

Have you noticed that bigger cars have a rear window wiper but the wiper doesn't even clean 50% of the rear window? It's funny, almost, like you might as well not have it.
The rear window wiper is there primarily to clear the window enough that you can see behind you until you can get someplace where you can properly clean it.
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Old 08-14-2018, 09:51 AM
 
Location: BFE
1,415 posts, read 1,186,339 times
Reputation: 4513
A/C is not a Swamp Cooler. Close yer windows!
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Old 08-14-2018, 09:56 AM
 
Location: Pikesville, MD
2,983 posts, read 3,088,674 times
Reputation: 4552
Quote:
Originally Posted by gunslinger256 View Post
i drive with the ac on and the top down unless it's crazy hot and sunny



This. I have a little AC bubble in the convertible.
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Old 08-14-2018, 05:43 PM
 
Location: Metro Detroit Michigan
6,980 posts, read 5,411,027 times
Reputation: 6436
In the 70’s I had four sixty air four windows down going 60 mph.
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