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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > What size generator to run AC??

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valhalla360

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Posted: 06/10/22 03:09pm Link  |  Quote  |  Print  |  Notify Moderator

goducks10 wrote:

Problem with a 2200W vs a 3500W is the 2200W will be wound out making gobs of noise while the 3500w will barely break idle running a 13,500ac.
I have both and much prefer the 3500w for running the AC and other stuff at the same time.


Yep, recently replaced our Yamaha 2400w (upper class brand similar to Honda) with a Champion 4500w with much worse dB rating.

I was playing around before I sold the Yamaha and running the air/con, the Champion was noticeably quieter as it never came off idle while the Yamaha was easily at half throttle.


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Posted: 06/10/22 03:50pm Link  |  Quote  |  Print  |  Notify Moderator

We've been running the same dual 2000 watt Hondas since 2011 with no complaints. Pretty easy to move around and with the boat tank conversion kit they will run for days.

nickthehunter

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Posted: 06/10/22 06:57pm Link  |  Quote  |  Print  |  Notify Moderator

theoldwizard1 wrote:

B-n-B wrote:

I run a Honda 2200 converted to LP. I also installed a Micro Air on the Coleman Mach.

IMHO, Micro Air is a MUST HAVE !
IMHO you,re better off putting the money into a bigger generator. The micro air is a one trick pony, the bigger generator is useful every where you take it.

ssthrd

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Posted: 06/10/22 07:15pm Link  |  Quote  |  Print  |  Notify Moderator

valhalla360 wrote:

goducks10 wrote:

Problem with a 2200W vs a 3500W is the 2200W will be wound out making gobs of noise while the 3500w will barely break idle running a 13,500ac.
I have both and much prefer the 3500w for running the AC and other stuff at the same time.


Yep, recently replaced our Yamaha 2400w (upper class brand similar to Honda) with a Champion 4500w with much worse dB rating.

I was playing around before I sold the Yamaha and running the air/con, the Champion was noticeably quieter as it never came off idle while the Yamaha was easily at half throttle.


Ditto for me. My Champion 4500/3500 runs much quieter than my Ryobi 2000/1600 with the same load, even though the gap is about 4 dBa between them.

The Champion is over 40lbs heavier at about 100 lbs full of gas but is still manageable for this old f-- t. It is my choice for the road.


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way2roll

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Posted: 06/11/22 08:01am Link  |  Quote  |  Print  |  Notify Moderator

Watching this thread. We have a large 6500w generator for the house and I toyed with the idea of using for the FW while boondocking. The obvious problems are it's HEAVY and LOUD.

Thinking of getting a smaller, quieter inverter generator but I would only want the minimum size to quietly run one ac. It's seems like 3000 is about as small as you want to go.

Hondas are expensive but I hear good things about predators and even champion. I don't want to spend a ton of money as we'd probably only use once or twice a year.

Saw a new one on CL locally - craftsman 3000 inverter generator for $650. Guy bought it and never used it.

* This post was edited 06/11/22 01:05pm by way2roll *


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pianotuna

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Posted: 06/11/22 08:27am Link  |  Quote  |  Print  |  Notify Moderator

Hi,

I don't like the microair either.


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

canoe on top

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Posted: 06/11/22 12:16pm Link  |  Quote  |  Print  |  Notify Moderator

Why don't you like the microair?

pianotuna

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Posted: 06/11/22 05:54pm Link  |  Quote  |  Print  |  Notify Moderator

canoe on top wrote:

Why don't you like the microair?


It did not work nearly as well as my autoformer.

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Posted: 06/11/22 08:02pm Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

canoe on top wrote:

Why don't you like the microair?


It did not work nearly as well as my autoformer.

Correct me if I am wrong, but they do two completely different things. The Micro-Air reduces the amp draw of the air conditioner on startup. The autoformer increases voltage when, and only when, voltage sags.


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Posted: 06/12/22 05:52am Link  |  Quote  |  Print  |  Notify Moderator

valhalla360 wrote:

theoldwizard1 wrote:

valhalla360 wrote:

... more expensive and more maintenance but combining a pair of 2000w generators is also viable

Personally, I would go this route instead of the much heavier 3000+W generators !


Assuming you are reasonably healthy, the bigger unit is my preference.

Only lifting is in or out of the truck (it sits just inside the tailgate). After that it pulls around on wheels.

The lifting is offset as the bigger units often come with electric start. If you are physically limited, yanking on the pull cord while bent over is likely to be challenging.


The Champion 3400 has a nice handle / wheel set up for moving it. I just walk it up a lightweight truck ramp onto the truck. Easy.


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