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A/C button in vehicle while using heater

Posted on 12/27/17 at 5:20 pm
Posted by tenderfoot tigah
Red Stick
Member since Sep 2004
11566 posts
Posted on 12/27/17 at 5:20 pm
Does it matter if it is on or off when using the heater in a vehicle?
Posted by bigberg2000
houston, from chalmette
Member since Sep 2005
70821 posts
Posted on 12/27/17 at 5:21 pm to
Mine gets hot either way.
Posted by Cosmo
glassman's guest house
Member since Oct 2003
132692 posts
Posted on 12/27/17 at 5:21 pm to
Yeah. It needs to be on.
Posted by momentoftruth87
Your mom
Member since Oct 2013
86110 posts
Posted on 12/27/17 at 5:25 pm to
If my AC button is on and heat is on, it will feel more hot when I turn the AC button off. (15 Silverado)

Posted by ThatMakesSense
Fort Lauderdale
Member since Aug 2015
15281 posts
Posted on 12/27/17 at 5:26 pm to
It matters. It was my science fair project in 5th grade.
Posted by FlyinTiger93
Member since May 2010
3724 posts
Posted on 12/27/17 at 5:37 pm to
Keeps the humidity out of the air, and exercises your compressor. Not using the ac for months leads to leaks.
Posted by tLSU
Member since Oct 2007
8692 posts
Posted on 12/27/17 at 5:40 pm to
This, definitely plays a dehumidifying role.
Posted by JCinBAMA
North of Huntsville
Member since Oct 2009
18425 posts
Posted on 12/27/17 at 5:43 pm to
May cause a f1 tornado.
Posted by Sao
East Texas Piney Woods
Member since Jun 2009
68469 posts
Posted on 12/27/17 at 5:51 pm to

JC is right on this one. If both heat and AC are on, the cold air descends while the hot air rises. If you have the ducts on the floor position, you're fricked.
Posted by DustyDinkleman
Here
Member since Feb 2012
20390 posts
Posted on 12/27/17 at 5:51 pm to
quote:

May cause a ef1 tornado.



FIFY
Posted by High C
viewing the fall....
Member since Nov 2012
62215 posts
Posted on 12/27/17 at 5:54 pm to
Keeps the windshield much more clear if A/C is on running the compressor.
Posted by LSUJuice
Back in Houston
Member since Apr 2004
18053 posts
Posted on 12/27/17 at 5:56 pm to
The defroster uses the compressor, so it's automatically on if you're using heat + defrost.
Posted by nevilletiger79
Monroe
Member since Jan 2009
17570 posts
Posted on 12/27/17 at 5:57 pm to
Fill a sock with cat litter to stop windshield from fogging up
Posted by Nado Jenkins83
Land of the Free
Member since Nov 2012
66717 posts
Posted on 12/27/17 at 6:07 pm to
Wat?
Posted by LewDawg
Member since May 2009
77735 posts
Posted on 12/27/17 at 6:08 pm to
Yeah I’m not doing that
Posted by nevilletiger79
Monroe
Member since Jan 2009
17570 posts
Posted on 12/27/17 at 6:09 pm to
Absorbs moisture in air
Posted by Nado Jenkins83
Land of the Free
Member since Nov 2012
66717 posts
Posted on 12/27/17 at 6:10 pm to
But i have to buy a bag of cat litter
Posted by East Coast Band
Member since Nov 2010
67017 posts
Posted on 12/27/17 at 6:11 pm to
Always seems like something my wife would like.

At home, she'll jack the heat up to 76, then get hot and then turn on the AC to cool it back down to 70. all over the course of a few hours.
Posted by cajuncarguy
On the road...Again!
Member since Jun 2013
3135 posts
Posted on 12/27/17 at 6:14 pm to
When it's on the ac is is also on. If you turn the temp knob up it will still warm but the advantage is when it's humid and cold like now, the ac will help get the moisture out of the vehicle in general. In particular it will help clear the windshield when the defroster is turned on.
Posted by biglego
San Francisco
Member since Nov 2007
85576 posts
Posted on 12/27/17 at 6:18 pm to
I was actually wondering about this today. This thread is on point.
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