You need to post the btu's of your a/c.
Is it a13.5k, 15k or something else?
If it is 13.5, the Yamaha 2400 will probably run it. That would be the minimum size.
Dan-Retired California Firefighter/EMT
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity