Best Tri-Fuel Portable Generators

A small tri-fuel generator for a house with a natural gas line or an RV owner who wants fuel options. It powers a fridge, sump pump and lights, but not 240 V loads.

A mid-size tri-fuel generator for homes with a natural gas line and a transfer switch. It covers a furnace, well pump and fridge with fuel that never runs out.

A budget large tri-fuel generator for homes with a natural gas line that want whole-house backup through a 50 A transfer switch, trading some build quality for a much lower price.

A large tri-fuel generator that can run most of a house through a transfer switch on gasoline, propane or a natural gas line. Best for homeowners with a gas line who want long outages covered without refueling.

A large tri-fuel generator for whole-home backup through a transfer switch, best for homes with a natural gas line. It is one of the cheapest ways to get 9,500 W and three fuels.

A large tri-fuel generator with cleaner-than-usual power for whole-home backup through a 50 A transfer switch. Best for homeowners with a natural gas line who want to run electronics safely.

A large tri-fuel generator for homes with a natural gas line that want whole-house backup through a 50 A transfer switch without hauling fuel.

A large tri-fuel generator for home backup through a 50 A transfer switch, for homeowners with a natural gas line who want to run as long as the outage lasts. Costs little more than the dual-fuel WGen9500DFc.

A large tri-fuel generator for whole-home backup on a natural gas line, where it can run for days. Less suited to gasoline-only use, where it burns through a tank quickly.

A large tri-fuel generator with fuel injection for whole-home backup, and the version to buy in California. Elsewhere the carbureted GP9500E does the same job for less.

A very large tri-fuel generator for whole-house backup through a 50 A transfer switch, with a big tank for long runs on gasoline between refills.

A large tri-fuel generator for homes with a natural gas line that want transfer-switch backup without storing fuel, at a premium price.

A large tri-fuel generator for whole-house backup through a 50 A transfer switch at a mid-range price, though Pulsar publishes few of its specs.

A very large tri-fuel generator for running a whole house, central air included, through a 50 A transfer switch. Best for homeowners with a natural gas line who want standby-like power without a permanent install.

A huge tri-fuel generator that can back up a large home in full, wired in by an electrician or through two 50 A outlets. For buyers who want standby-generator output without a permanent install.

A large fuel-injected tri-fuel generator for whole-house backup through a 50 A transfer switch, and one of the few this size that California buyers can get.