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What Type of Generator is Required to Powered AC Unit of Trailer


Will this run my trailer AC?


Expert Reply:

The etrailer 2,000-Watt Portable Inverter Generator # 333-0001 could power a smaller 13.5 btu AC unit if it had a start capacitor like the Advent part # ACM135CH but most AC units require more watts than what this can put out upon start up. The start capacitor of this allows it to draw 1,450 watts on start up and when running whereas the Atwood # AT15025-21 draws 3,795 watts on startup and then 1,265 watts once running as it does not have a capacitor.

So if you have an AC unit that does not have a capacitor you'd need a generator setup with more wattage like the etrailer 4,900-Watt Portable Inverter Generators # 333-0001-0002 which would easily handle an AC system and have room to power other accessories as well. This has a start up wattage of 4,900 watts and a running wattage of 4,275 watts.

expert reply by:
Jameson C

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Kendrick Y.
I purchased the etrailer 2000 watt inverter. I have a Coleman 13500 BTU AC unit. It Shipped on 5-25-20 Got it 6-3-20 Installed Mirco easy start 6-6-20 The 2000 Watt etrailer handle it no problem. Ran for about 30 minutes and with my Temp scanner it read 48 degrees.
Etrailer Expert
Reply from Chris R.

Thanks so much for this feedback!

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