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2010 Prius II: A/C on for Defrost? - Page 2

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Posted by Elmo P. Shagnasty on June 26, 2011, 11:57 am
 


Heat will turn the moisture from liquid to vapor; it will not remove the
moisture, as the AC system will, troll-breath.

Think about it:  in the summer, when it's damp and you want to remove
the moisture, you don't want to turn on the heater.  There's a reason
for that, troll-breath.

The next time it's 70 degrees and damp and you see cars go by with ALL
the windows fogged up, now you'll know why they're doing it wrong.




Then you don't get it.  You think that the purpose of air conditioning
is to cool the air.  No, that's the purpose of refrigeration--and that's
for storing meat.

Humans with their body heat and sweat mechanisms and their breath
exuding moisture need to dehumidify the closed environment in order to
stay cool.

You don't get it that the car's system is not like your house system; it
runs both the AC and the heating system simultaneously to keep the
temperature you want.  The AC dries the air to keep you comfortable and
to reduce interior moisture buildup, and then the heater warms it (if
necessary) to keep you from freezing.




You're saying you can't do that now on some car you now own?

My 07 Prius lets me do just what you said.  They even have a button on
the steering wheel for recirculate.  It's a law in Japan that the recirc
button be readily at hand, just like it's a law in the US that the
defrost button be readily at hand.





Ah, the mark of one who doesn't like the answer so he calls the
messenger names and then goes shopping for an answer he likes.

Posted by Leftie on June 27, 2011, 5:14 am
 
Elmo P. Shagnasty wrote:

    No, the moisture is removed as it exits the car with the air,
through that rear vent you probably don't even know exists. Further, as
air gets warmer, the relative humidity decreases. If you can stand the
ever-increasing temperature in the car, you can defog with heat even
with the recirculate on. It works much better, though, to just exhaust
the heated air and take in fresh air to heat and defog, when possible.



    Other people's mistakes aren't at issue here. *My* windows don't all
fog over.


    I understand dehumidification through condensation at the evaporator
coils. You don't seem to understand using dryer air at more or less the
same temp to defog.


(...)  <snip further incorrect allegations about what I do and don't
understand>

     The 2010 Prius has the recirculate button, but it will not operate
when the car is in front defog mode. Since you didn't know even that
much, you don't belong in this conversation.


    I was looking for a "yes" or "no", not a brawl with a troll who
isn't even familiar with the vehicle in question. Further responses from
you will be ignored.

Posted by Elmo P. Shagnasty on June 27, 2011, 9:33 am
 wrote:


Au contraire.  Other people's mistakes are the center of the issue
here--that's why Toyota has a stellar legal team that they pay a bunch
of money to.

Posted by Elmo P. Shagnasty on June 27, 2011, 9:35 am
 wrote:


You snipped out, conveniently, the very heart of the matter:  you
claimed that having the AC on meant you were getting cold, but I pointed
out that's not the case--the car dehumidifies the air with the AC and
then heats the dry air to whatever temperature you want.

Your claim about "the AC shouldn't run because I don't want to freeze"
is pure bullshit.

Posted by bwilson4web on June 30, 2011, 1:47 pm
 . . .

Let me suggest waiting seven days before replying to the troll. He
lives for recognition yet has his account set to purge his spew in a
week. Only by quoting and referencing his noise is there any evidence
that this loser exists.

Another approach is to edit the 'troll' postings into something more
entertaining. The original will disappear in a week and we can exploit
their true nature for fun and entertainment. Yes, it may seem
unethical but then when has ethics ever stopped a troll from spouting
their nonsense?

Bob Wilson

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