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Old 03-30-2019, 08:35 PM   #1
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Can we run an AC fan while boondocking?

We will be camping without shore power in June. We have an Coleman 9200 BTU ceiling AC which we know we can't use but there is also a fan setting on it. Does anyone know if it's OK to run that off the battery without AC, just fan? I know running the AC without enough power can damage the unit but I was wondering if
1) the battery would be enough power, and
2) would it damage the unit if we ran the fan without being hooked to shore power.

Our camper doesn't have one of those separate vent fans. We do have a 40 watt solar panel to recharge the battery.


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Old 03-30-2019, 08:43 PM   #2
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It'll work till your battery is dead. 40 watt panel is barely enough to keep the batteries charged with no draw.

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Old 03-30-2019, 08:59 PM   #3
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The fan in the A/C unit is likely only operable when 120vac shore power is available.

12vdc portable fan would be a way to go.
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Old 03-30-2019, 09:06 PM   #4
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I agree with using a 12 volt fan. Just keep an eye on the battery condition and don't run it down to dead.
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Old 03-30-2019, 09:14 PM   #5
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If the fan comes in when you are not plugged in, then it's ok to run it, but it will drain your battery.
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Old 03-30-2019, 10:15 PM   #6
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A/C Fan is powered by 120V AC just like the A/C Compressor

W/O AC Power Source you can not run the A/C Fan

AC Power either via 'shore power', a generator or an INVERTER that draws from battery and is connected to your A/C Unit (which I highly doubt you have)
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Old 03-30-2019, 10:58 PM   #7
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Only if you have a source of 120V as that is what voltage the AC compressor and fan operate on.
A small generator of less than 2k watts would run the fan though.
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Old 03-31-2019, 05:22 AM   #8
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You can't run the AC fan without getting an inverter to create 120 volts. Then your battery capacity probably isn't enough for it anyway. AC fans are double bladed, used to move air inside and out over the condenser coil.

Using a 12 volt fan is your best bet. Just make sure you get a quality and quiet one. Some of the cheap ones are loud.

Marine stores, like West Marine, if near by, have them on display, where you may be able to hear them run.

I had one from Wal-Mart that I couldn't sleep near.
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Old 03-31-2019, 09:20 AM   #9
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Thank you all. This had been very helpful. This is our first trip without an electric hookup and we're still learning the ropes. We have a couple of battery fans from our tent camping days so we'll use those. Thank you!

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