Picked for one job

Best generator for running an RV air conditioner

Top pick

Westinghouse iGen5000DFc EFI Dual Fuel Inverter

Westinghouse iGen5000DFc EFI Dual Fuel Inverter

For RVs, the balanced pick is Westinghouse iGen5000DFc EFI, which has 3,900 gasoline running watts, inverter power, dual fuel and TT-30R output.

Why it suits this job

  • Gasoline output comes to 3,900 running watts and 5,000 starting watts.
  • It takes gasoline or propane.
The catch
It cannot serve as a 240V transfer-switch generator.
Go with Champion 4750-Watt Dual Fuel Portable Generator with CO Shield if
you mainly need to power an RV air conditioner
More reasons we picked it
  • Output comes from inverter power electronics.

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Westinghouse iGen5000DFc EFI is the well-rounded RV choice, offering 3,900 gasoline running watts, inverter power, dual fuel and TT-30R output.

Guide updated , Product data updated , Amazon.com / United States

By the numbers

What the data shows

What we found across the generator sets we compare, plus the checked facts behind each finding.

How many fit

19 of the 24 models checked meet every need here: “Supply an RV air conditioner”.

19 models fit, out of 24 checked

Worth knowing

Westinghouse iGen5000DFc EFI Dual Fuel Inverter lists 3,900 W for running-watt rating, 45% below the 7,125 W median.

Westinghouse iGen5000DFc EFI Dual Fuel Inverter
3,900 W
Typical (median)
7,125 W
Models with this figure
20 of 24
Show the facts and the math
Models in the comparison
24 models
Sources
3 covering these models
Product data updated

How we countedThe count uses each product's current fit ratings for “Supply an RV air conditioner”. A need with no documented match is not counted.

How we calculatedFigures are for the named configuration on its main listed fuel. Output can drop on propane or natural gas. The median draws on the 20 of 24 models that publish comparable figures.

The facts and sources behind each product in this recommendation
ProductNeeds it meetsFacts we checkedSources
Westinghouse iGen5000DFc EFI Dual Fuel Inverter
  • Supply an RV air conditioner
  • Gasoline output comes to 3,900 running watts and 5,000 starting watts.
  • Gasoline and propane both work as fuel.
  • Inverter power electronics produce its output.
Champion 4750-Watt Dual Fuel Portable Generator with CO Shield
  • Supply an RV air conditioner
  • It supplies 3,800 running watts and 4,750 starting watts on gasoline.
  • Gasoline and propane both work as fuel.
  • Its output stage is a conventional generator design.
Westinghouse WGen3600DF Dual Fuel Generator
  • Supply an RV air conditioner
  • It supplies 3,600 running watts and 4,650 starting watts on gasoline.
  • Gasoline and propane both work as fuel.
  • Its output stage is a conventional generator design.

Decision guide

How to choose for this job

Westinghouse iGen5000DFc EFI is the balanced RV option, thanks to 3,900 gasoline running watts, inverter power, dual fuel and TT-30R output.

01

The factors behind the pick

Its gasoline rating is 3,900 running watts and 5,000 starting watts. A 240V transfer-switch setup is not something it can handle.

02

What puts iGen5000DFc EFI Dual Fuel Inverter ahead

Gasoline brings 3,900 running watts and 5,000 starting watts, and propane is the other fuel it accepts.

03

Where an alternative makes sense

Champion 4750-Watt Dual Fuel Portable Generator with CO Shield and Westinghouse WGen3600DF Dual Fuel Generator are the models to pick instead when the job is powering an RV air conditioner.

Check these before you buy

  • Nameplate of all loads
  • Heaviest motor surge
  • Fuel-specific output
  • 120 or 240-volt demand
  • Where it sits outdoors, and the transfer device

What this page can’t tell you

  • Expect reference appliance loads to be estimates.
  • Fuel choice can swing the rating sharply.
  • Have home wiring work done by a qualified installer.

3 options

The top pick and the alternatives

01
Westinghouse iGen5000DFc EFI Dual Fuel Inverter

Westinghouse, iGen5000DFc EFI

iGen5000DFc EFI Dual Fuel Inverter

Rated for 3,900 running watts and 5,000 starting watts on gasoline, it also takes propane.

Top pick ifrun a refrigerator and essential lights, and keep a sump pump going through an outage

Key facts

  • Gasoline output comes to 3,900 running watts and 5,000 starting watts.
  • Gasoline and propane both work as fuel.

The catch

It cannot serve as a 240V transfer-switch generator.

02
Champion 4750-Watt Dual Fuel Portable Generator with CO Shield

Champion, 201052

4750-Watt Dual Fuel Portable Generator with CO Shield

It puts out 3,800 running watts and 4,750 starting watts on gasoline, and propane works as well.

Pick this instead ifyou mainly need to power an RV air conditioner

Key facts

  • It supplies 3,800 running watts and 4,750 starting watts on gasoline.
  • Gasoline and propane both work as fuel.

The catch

There is no 240V output.

03
Westinghouse WGen3600DF Dual Fuel Generator

Westinghouse, WGen3600DF

WGen3600DF Dual Fuel Generator

Its gasoline rating is 3,600 running watts and 4,650 starting watts, and propane works as a second fuel.

Pick this instead ifan RV air conditioner is what you have to power

Key facts

  • It supplies 3,600 running watts and 4,650 starting watts on gasoline.
  • Gasoline and propane both work as fuel.

The catch

240V loads are not an option.

Ready to buy

See today’s price and what owners say

Top pick for this job

Westinghouse iGen5000DFc EFI Dual Fuel Inverter

Westinghouse iGen5000DFc EFI Dual Fuel Inverter

Gasoline output comes to 3,900 running watts and 5,000 starting watts.

See price & reviews on Amazon

Pick this instead if

Champion 4750-Watt Dual Fuel Portable Generator with CO Shield

Champion 4750-Watt Dual Fuel Portable Generator with CO Shield

you mainly need to power an RV air conditioner

See price & reviews on Amazon

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