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Westinghouse 18,000W Dual Fuel Review

Name: Westinghouse 18,000W Dual Fuel
Brand: Westinghouse
SKU: B099KPKS59

7.8Very good · out of 10Rated from the listing's specs, no buyer reviews yet

Written from the listing's specs, not from our own use · How we rate

If you're after 14,500 running and 18,000 peak watts, the Westinghouse 18,000W Dual Fuel delivers, with the choice of gasoline or propane and a 50 amp outlet for an inlet box or an RV on top. Add a built-in CO sensor and it makes a good match for a house that has to keep the well pump and the furnace going.

Price$2,599Price on Sep 30, 2026 · may have changed

Check the price on Amazon ↗Affiliate link · price and stock on Amazon

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Specifications

Brand	Westinghouse
Category	Dual fuel generators
Running output	14500 W
Peak output	18000 W
Listed fuels	gasoline, propane
Stated runtime	Up to 16 hours at 25 % load
Fuel tank	10.5 gallons
Stated noise	74 dB
CO sensor	Stated in the listing
Transfer switch ready	Stated in the listing
Outlets named in the listing	50 A (14-50R), L14-30R, L5-30R, GFCI household, USB
Harmonic distortion	Under 5 % THD
Engine	713 cc
ASIN	B099KPKS59

Full listing title: Westinghouse 18000 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas & Propane Powered, CO Sensor

Listing evidence

Running output	Exact listing
Peak output	Exact listing

Updated October 2026

Exact listing, ASIN B099KPKS59

Rating method published

Compared with its closest rivals

Two generators that are also open frames, of about the same size, closest to it on our rating, each with a dated price.

Compare side by side ↗

Westinghouse 18,000W Dual Fuel

7.8Very good · out of 10$2,599 Price on Sep 30, 2026 · may have changed

Stated: 14,500 W running · 18,000 W peak · Gasoline, Propane
Dual fuel generators

This product ↑

Champion 16,875W Tri Fuel

7.8Very good · out of 10$2,950 Price on Sep 30, 2026 · may have changed

Stated: 13,500 W running · 16,875 W peak · Gasoline, Propane, Natural gas
Dual fuel generators

See the review ↗

WEN 14,500W Tri-Fuel, CO Watchdog

7.8Very good · out of 10See current price ↗

Stated: 11,500 W running · 14,500 W peak · Gasoline, Propane, Natural gas
Dual fuel generators

See the review ↗

14,500 running watts, 18,000 at start-up

That's the running figure the listing states, on gasoline. On paper that covers the fridge, the freezer, the sump pump and, through a transfer switch, the furnace or a well pump; the start-up surge of the biggest motor is the number to check.

What it has going for it

What changes on the night the power goes out

Gasoline or propane. Propane keeps for years in a sealed tank and won't gum up the carburetor between storms; gasoline gives you more watts. Propane is rated lower, so find that figure in the manual.

50 amp outlet. The big plug that feeds a 50 amp inlet box, a transfer switch or a 50 amp RV. One cord carries both legs of 240 V, which is how the well pump and the furnace get power without extension cords through a window.

Extension cords or a transfer switch?

Extension cords: the fridge, the freezer and a lamp or two plug straight into the 120 V outlets on the frame (GFCI-protected, per the listing). It costs little, but the furnace, the well pump and anything hard-wired stay off.

A transfer switch: the listing names an L14-30R twist-lock and a 50 amp outlet, and the seller calls it transfer-switch ready. That's the plug an inlet box takes. Once an electrician has wired the inlet and a transfer switch or interlock, the furnace and the well pump can run off it too; count that bill on top.

Great for you if…

You want most of the house running, not just the fridge
You'd rather store propane tanks than cans of gas
You plan a transfer switch, or you own a 50 amp RV

Skip it if…

You need quiet power for a campsite: this is a big open frame
You'd rather wait for buyer reviews: none are captured for this listing yet

What Westinghouse promises

The seller states, word for word, in the Westinghouse 18,000W Dual Fuel listing:

The WGen14500DFc dual fuel generator with CO sensor is an ideal power source for jobsites and emergency backup of larger homes.
Runs up to 16 hours at 25% load on a 10.5 gallon gas tank, powered by a heavy duty 713cc Westinghouse V-Twin OHV engine.
One 120/240V 14-50R 50A outlet, one 120/240V L14-30R 30A outlet, both are transfer switch and interlock kit ready.
As low as 74 dBA operating volume.

Their words and their figures, not our measurements. How loud it is twenty feet from your bedroom window, and whether it catches your well pump's start-up surge, no listing can tell you.

Outlets, fuel and what's in the box

What the Westinghouse 18,000W Dual Fuel listing names:

14,500 running watts, 18,000 peak
Runs on gasoline and propane
Outlets named: 50 amp, L14-30R, L5-30R, GFCI 120 V, USB
Sold as transfer-switch ready
Remote and electric start
CO sensor
10.5 gallon tank, up to 16 h at 25% load
74 dB, per the listing
713 cc engine
Under 5% THD

In the box, per the listing: Engine oil, A starter battery.

Read the manual for the fuel, the oil grade and what each outlet is rated for before the first start.

Price and cost per 1,000 running watts

$2,599 Price on Sep 30, 2026 · may have changed

At the price on Sep 30, 2026, each 1,000 running watts works out at about $179.24 (price ÷ stated running watts, our arithmetic). That puts it around the middle of the 37 generators above 8,000 running watts we have a price and a stated running figure for.

Add the hookup to the budget: a heavy cord, an inlet box and an electrician's visit for the transfer switch or interlock.

The button opens the exact listing (ASIN B099KPKS59), where today's price, stock and seller apply.

A better fit for your load list?

Want it quieter, or cleaner power for electronics? The GENMAX 17,000W Tri-Fuel Inverter (7.7/10) is an inverter, per its listing.

Want to hook it to the gas line? The Champion 16,875W Tri Fuel (7.8/10) runs on gasoline, propane and natural gas.

Want a CO shutoff? The WEN 14,500W Tri-Fuel, CO Watchdog (7.8/10) names a CO sensor that shuts the engine off.

Our take

The verdict

We like the Westinghouse 18,000W Dual Fuel for 14,500 running and 18,000 peak watts and the choice of gasoline or propane. No buyer has reviewed it yet, so our 7.8/10 comes from the spec sheet alone. The catch with this Westinghouse generator: no word on the propane rating. We'd pick the Westinghouse if you want most of the house running, not just the fridge; otherwise, put it next to the Champion 16,875W Tri Fuel first.

Check the price on Amazon ↗Affiliate link · price and stock on AmazonAll dual fuel generators →

Living with it

Delivery day

Fill it with oil (the listing says a bottle comes in the box) before the first start, then run it for a few minutes outside with a small load.

The first outage

Start it with the fob, let it warm up, then add loads one at a time, the biggest motor first. Propane or gas: decide before the storm and have the hose and the tank ready. The 16 hours on the listing are at a light load; plan a refill at night.

Between storms

Run it every month or so for 20 minutes and keep the battery charged. On propane you avoid stale gas in the carburetor; on gas, add stabiliser or run it dry before storage. Our maintenance schedule has the full list.

Upkeep

First oil change after the break-in hours in the manual (the hour meter counts them), then on schedule. Air filter and spark plug once a season, and a cover for the months it sits.

The one thing we'd check first

Before the Westinghouse 18,000W Dual Fuel goes in your cart, check your hookup: 14,500 running watts are only useful through an inlet box and a transfer switch or interlock, so price in the electrician.

Before you buy

Your load list

14,500 running watts and 18,000 at start-up, per the listing. Write down what has to run at the same time, add the biggest motor surge (well pump, sump pump, AC), and let our sizing calculator do the sums.

How it reaches the house

Ask an electrician to quote an inlet box plus a transfer switch or an interlock before you buy, so the total is no surprise. Our interlock vs transfer switch guide compares the two.

Where it will run

Outside only, about 20 ft from doors, windows and vents, exhaust pointing away (the CO sensor is a backup, not a permission). Pick the spot now, before the storm. Our CO safety and placement guide has the details.

Fuel for three days

Gasoline goes stale in a few months without stabiliser; propane keeps. Check the propane rating in the manual if propane is your plan. Our fuel storage guide covers storage.

How it compares

How the Westinghouse 18,000W Dual Fuel stacks up against the closest alternative, the Champion 16,875W Tri Fuel.

Criterion	Westinghouse 18,000W Dual Fuel	Champion 16,875W Tri Fuel
Our rating	7.8/10	7.8/10
Running watts	14,500 W	13,500 W
Peak watts	18,000 W	16,875 W
Fuels	Gas, propane	Gas, propane, natural gas
50 amp outlet	Stated	Not stated

Both score 7.8/10. The Champion 16,875W Tri Fuel adds natural gas as a third fuel, while the Westinghouse 18,000W Dual Fuel brings more running watts (14,500 W) and a higher peak (18,000 W).

Compare side by side ↗See the Champion 16,875W Tri Fuel review →

The score in detail

How we rated it

Our score: 7.8/10

Key specifications

10 / 10

Build, warranty & certifications

6 / 10

Listing documentation

9 / 10

Fit & compatibility

8 / 10

This product has no captured buyer-review record yet, so its rating comes from the documented listing alone: four criteria scored out of 10 (key specifications; build, warranty and certifications; listing documentation; fit and compatibility), placed on a 4.5–8.5 scale. Read the full methodology.

Read the methodology →

Frequently asked questions

Is the Westinghouse 18,000W Dual Fuel any good?

We rate it 7.8/10 (very good). The rating comes from its documented listing alone, as no customer-review record is captured yet.

How many watts does the Westinghouse 18,000W Dual Fuel deliver?

The listing or manual states 14,500 W running and 18,000 W peak, usually for gasoline. Size your load list against the running watts and keep the peak for motor starts; propane and natural gas ratings are lower. These are the seller's figures, not our measurements (our sizing calculator turns your loads into a running and peak pair).

Which fuels does the Westinghouse 18,000W Dual Fuel run on?

The listing names gasoline and propane. Output differs by fuel, so check the per-fuel running watts in the manual and whether the hoses you need come in the box. Run it outdoors only, away from doors, windows and vents.

What do you get with the Westinghouse 18,000W Dual Fuel?

Its listing states 14,500 running watts (18,000 at start-up), the choice of gasoline or propane, a 50 amp outlet for an inlet box or an RV, a built-in CO sensor, remote start from a key fob and up to 16 hours on a 10.5-gallon tank at 25 % load. These are the seller's figures, not our measurements: how loud it is in your driveway and how it handles your well pump's surge can't be read from a listing.

What should I check before ordering the Westinghouse 18,000W Dual Fuel?

Your load list: 14,500 running watts and 18,000 at start-up, per the listing. Write down what has to run at the same time, add the biggest motor surge (well pump, sump pump, AC), and let our sizing calculator do the sums. How it reaches the house: ask an electrician to quote an inlet box plus a transfer switch or an interlock before you buy, so the total is no surprise. Our interlock vs transfer switch guide compares the two. Where it will run: outside only, about 20 ft from doors, windows and vents, exhaust pointing away (the CO sensor is a backup, not a permission). Pick the spot now, before the storm. Our CO safety and placement guide has the details. Fuel for three days: gasoline goes stale in a few months without stabiliser; propane keeps. Check the propane rating in the manual if propane is your plan. Our fuel storage guide covers storage.

Where can I buy the Westinghouse 18,000W Dual Fuel?

We link to the exact listing on Amazon, where today's price, stock and seller apply. It is an affiliate link, and it has no effect on the rating.

Have you used the Westinghouse 18,000W Dual Fuel yourselves?

No, we haven't used it ourselves. Everything on this page comes from its listing, read line by line and weighed with our published formula, plus our editors' read of how it compares with its rivals.

Dual fuel generators ↗All Westinghouse products Comparison tool All product reviews