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Old 06-06-2019, 06:39 PM   #1
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Run AC and Fantastic Fans same time?

This is an air quality question. I donít have issues with humidity because Iím in the desert, but woke myself up last night sneezing. The sun was shining through this am and I could see tons of particles floating. I remember my cat going a bit litter box crazy, had an extra body in the camper over the weekend when a friend was in town, and their doing some gravel work at the campground. I try to keep my camper exceptionally clean. Went right after work today and bought some no dust cat litter and did a good cleaning.

So my question, I read on another forum that running the AC helps. I really donít want to buy any accessories like air purifiers, etc. So, when on shore power, can I run my Fantastic Fans and the AC together to try and get some air moving. Any risks or disadvantages? Would this really allow that much hot air in.

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Old 06-06-2019, 06:45 PM   #2
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Iím not deeply experienced so take with a grain of salt. In my experience, running the AC with anything open is not a good idea. For me, it causes the AC unit to leak inside on the floor. It only happens if the AC is on while a fan or window is open. Thatís my $0.02.
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Old 06-06-2019, 06:48 PM   #3
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The only time I run both is after a hot soaked day on the road. One fan in and one fan out. Exchanges the hot air pretty quickly and helps with initial cooldown.
That said, I am unclear what you are trying to accomplish.
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Old 06-06-2019, 08:43 PM   #4
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I too am confused as to how running the fans with the ac will help clean the air. FWIW, I've found some very high end air purifiers at Goodwill, etc. for next to nothing. That's what I use.
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Old 06-06-2019, 09:33 PM   #5
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Run AC and Fantastic Fans same time?

Appreciate the responses. Iím just trying to get the dusty air out, keep cool at the same time, and not overwhelm the AC system/filters. Also Iím a minimalist so trying to find a way to maintain fresh air without adding something else to my life. Cat owners may understand my issue better here...that litter dust, ha ha.
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Old 06-07-2019, 06:54 AM   #6
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A few people here have been very clever with their litter boxes - at a.cost of some underbed storage. Create a cat path to the outside storage door. Place the litter pan by the door. Change the litter outside and vacuum the immediate area, voila!
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Old 06-07-2019, 08:26 AM   #7
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Think about it this way:

The interior of your trailer is essentially a closed system (when all doors, windows, and vents are closed). When you turn on the AC, you draw in air from the interior, cool it, and spew it back into the interior. Your AC (probably) has some filters built right into it that can be slid out and cleaned. If you haven't checked them, then you should. If they aren't trapping anything, then maybe there is a finer filter available for your AC that would help.

Now, if you open a vent and turn the fan on so that it draws air out of the interior and spews it into the outside, first, you are getting rid of air that you have already spent time/money cooling, second, you are creating a (slight) vacuum in your trailer, and "replacement" air is going to have to come from somewhere (ie., from the outside, through every leaking door/hatch/window seal). As mentioneed earlier, replacement air coming from outside will not only be hot, but if you were in a more humid environment, this air would bring humidity in with it, which might condense on every cool surface (especially the intake of the AC, which is why they drip to the interior).

So the most efficient way to use your AC is to keep your system closed, no windows open, no vents, no fans.

If you think the majority of your dust is coming from kitty litter, maybe you should try finding a less dusty litter. They make all kinds of completely artificial litter these days, if you are still using the old shale/clay based litter, then there are certainly less dusty options out there. Another option, as mentioned earlier, would be to enclose the litter box so that the litter dust stays within that space. I own a commercially available litter pan that has an enclosure built over it with a flappy door on it and a filter built into the "air vent" in the roof. Seems to work OK.

Another source of dust is probably the cat itself. I brush my cat every day if I can, and even though he is a short-haired cat, it is amazing how much hair comes out of him everyday.

good luck!
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Old 06-07-2019, 10:02 AM   #8
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Good advice from Belegedhel. I agree that treating your rig as a closed system is your best bet. One tip based on my experience: those air conditioner intake filters get filled with dust a lot faster than you might expect. I clean mine every couple of days when I'm using the air conditioner. Also, for what it's worth, I've found that Arm & Hammer's "Clump and Seal" litter creates little or no dust.
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Old 06-07-2019, 10:15 AM   #9
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Quote:
Originally Posted by Belegedhel View Post
Think about it this way:



The interior of your trailer is essentially a closed system (when all doors, windows, and vents are closed). When you turn on the AC, you draw in air from the interior, cool it, and spew it back into the interior. Your AC (probably) has some filters built right into it that can be slid out and cleaned. If you haven't checked them, then you should. If they aren't trapping anything, then maybe there is a finer filter available for your AC that would help.



Now, if you open a vent and turn the fan on so that it draws air out of the interior and spews it into the outside, first, you are getting rid of air that you have already spent time/money cooling, second, you are creating a (slight) vacuum in your trailer, and "replacement" air is going to have to come from somewhere (ie., from the outside, through every leaking door/hatch/window seal). As mentioneed earlier, replacement air coming from outside will not only be hot, but if you were in a more humid environment, this air would bring humidity in with it, which might condense on every cool surface (especially the intake of the AC, which is why they drip to the interior).



So the most efficient way to use your AC is to keep your system closed, no windows open, no vents, no fans.



If you think the majority of your dust is coming from kitty litter, maybe you should try finding a less dusty litter. They make all kinds of completely artificial litter these days, if you are still using the old shale/clay based litter, then there are certainly less dusty options out there. Another option, as mentioned earlier, would be to enclose the litter box so that the litter dust stays within that space. I own a commercially available litter pan that has an enclosure built over it with a flappy door on it and a filter built into the "air vent" in the roof. Seems to work OK.



Another source of dust is probably the cat itself. I brush my cat every day if I can, and even though he is a short-haired cat, it is amazing how much hair comes out of him everyday.



good luck!


Really appreciate this write up, thank you!
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Old 06-07-2019, 11:21 AM   #10
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You can only run the AC and the Vent at the same time during a full moon. Running them both will cause a tear in space and time.

BE VERY VERY CAREFUL!!
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Old 06-07-2019, 11:42 AM   #11
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Running the A/C will draw the dust into it's filters but it you have the fantastic fans on exhaust, the A/C and Fans will be both sucking air. Sounds like you'll be making air soup then and who knows which dusty air will go where first? Also the A/C can be set to fan only so plan on cleaning filters more often if used for air purification (I am using that word loosely here).
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Old 06-07-2019, 12:50 PM   #12
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I run them both sometimes. No problem. But I think the trailer will be cleaner with the vent closed.
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Old 06-07-2019, 01:21 PM   #13
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It may be a case where most of the floating particles are always there, cat or not. You just don't always have the right sunlight rays to catch them and make them visible.

It has happened both at home and in our rv that suddenly the sunlight comes in at the perfect angle to light up the dust particles. Kind of takes you aback when you realize what you're breathing, but they're probably there all the time. The test is whether you see excess amounts of dust accumulation on flat surfaces. If not, you may just be noticing things floating that have always been there.

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Old 06-09-2019, 08:51 AM   #14
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Quote:
Originally Posted by dznf0g View Post
The only time I run both is after a hot soaked day on the road. One fan in and one fan out. Exchanges the hot air pretty quickly and helps with initial cooldown.
That said, I am unclear what you are trying to accomplish.
I concur, and this should help exhaust some of the pollen/dust particles along with the warm air.
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