Westinghouse iGen12000DFc review: our full analysis
Brand: Westinghouse · Ranked 13th of 174 · Our methodology
7.9/10 Power8.8 Runtime9.4 Noise6.6 Features9.6 Portability7.6 Watts per dollar6.2 Dotted line: average of the 174 models. Relative scores based on specs, no hands-on testing. Where to buy Today's best priceTypical price: $1,800–$2,500 Check best price Affiliate link: As an Amazon Associate we earn from qualifying purchases.Pros
- 9,000 running watts at 3% THD or less, with 14-50R and L14-30R outlets.
- Up to 19 hours at 25% load and 11 hours at 50% on 7.9 gal.
- WATS200 automatic transfer switch compatible; remote start.
Cons
- 189 lb, wheel kit required.
- Only one 5-20R duplex.
- Propane runtime about 5 hours at 50% on a 20 lb tank.
Best for
- RVs and travel trailers, through its 14-50R outlet
- Home backup through a transfer switch or an interlock kit
- Running most of a house, well pump included
Specifications
| Type | Dual fuel inverter (inverter: clean power) |
|---|---|
| Running watts | 9,000 W gasoline · 8,100 W propane |
| Starting watts | 12,000 W gasoline · 11,000 W propane |
| Fuel | Gasoline, propane |
| Fuel tank | 7.9 gal |
| Runtime | 19 hours at 25% load · 11 hours at 50% load |
| Noise | 64 dB(A) (manufacturer figure) |
| Weight | 189.0 lb |
| Outlets | 2 × 120 V household outlets (5-20R) · L14-30R 30 A 120/240 V twist-lock · 14-50R 50 A 120/240 V |
| Transfer switch ready | Yes |
| Start | Remote key fob + electric push-button + recoil |
| CO shutoff sensor | Yes |
| Parallel capable | Yes |
| Emissions | EPA compliant |
| Engine | 457 cc |
| Warranty | 3 years |
Westinghouse iGen12000DFc9,000 running W · Dual fuel inverter · typical price $1,800–$2,500
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Who is it for?
The Westinghouse iGen12000DFc is mostly suited to:
- RVs and travel trailers, through its 14-50R outlet.
- Home backup through a transfer switch or an interlock kit.
- Running most of a house, well pump included.
9,000 running watts: what can it power?
The Westinghouse iGen12000DFc delivers 9,000 W continuously and up to 12,000 W for a few seconds to start motors on gasoline. On propane, the manufacturer rates it at 8,100 running watts (11,000 W starting), 10% less. It handles 14 of the 14 loads on our typical list one at a time; add up the running watts of everything you run together, plus the extra starting watts of the biggest motor. As an inverter, it produces clean power suited to laptops, TVs and furnace control boards.
| Appliance | Running / starting watts | Will it run? |
|---|---|---|
| Wi-Fi router and modem | 20 W / 20 W | ✅ Yes |
| CPAP (no humidifier) | 50 W / 50 W | ✅ Yes |
| Laptop or TV | 150 W / 150 W | ✅ Yes |
| Full-size refrigerator | 700 W / 2,200 W | ✅ Yes |
| Chest freezer | 500 W / 1,500 W | ✅ Yes |
| Furnace blower (1/2 HP) | 800 W / 2,350 W | ✅ Yes |
| Sump pump (1/2 HP) | 1,050 W / 2,150 W | ✅ Yes |
| Microwave (1,000 W) | 1,000 W / 1,000 W | ✅ Yes |
| Space heater | 1,500 W / 1,500 W | ✅ Yes |
| Window AC (10,000 BTU) | 1,200 W / 3,600 W | ✅ Yes |
| RV roof AC (13,500 BTU) | 1,800 W / 2,800 W | ✅ Yes |
| Circular saw | 1,400 W / 2,300 W | ✅ Yes |
| Well pump (1 HP, 240 V) | 1,000 W / 4,000 W | ✅ Yes |
| Central AC (3-ton, soft start) | 3,800 W / 5,500 W | ✅ Yes |
Typical figures; check the label of your own appliances. One load at a time: add up everything you run together.
Westinghouse iGen12000DFc9,000 running W · Dual fuel inverter · typical price $1,800–$2,500
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How long does it run on a tank?
The fuel tank holds 7.9 gallons of gasoline. The manufacturer quotes 19 hours at a quarter load. At half load, it runs about 11 hours on a full tank. That is about 0.72 gallon per hour at half load, or 17 gallons for a full day of running, so plan your fuel storage for a multi-day outage. On propane, a standard 20 lb tank holds about 4.7 gallons of LP; propane does not go stale, which makes it the easiest fuel to stock.
64 dB(A): how loud is it?
The manufacturer rates the Westinghouse iGen12000DFc at 64 dB(A), usually measured at 23 feet (7 m) and a light load. That is a typical open-frame level, comparable to a vacuum cleaner: fine for home backup at 20 feet, loud for a campground.
Can you connect it to your house?
Its panel offers 2 × 120 V household outlets (5-20R), L14-30R 30 A 120/240 V twist-lock, 14-50R 50 A 120/240 V. The 14-50R outlet supplies 120/240 V, which is what a manual transfer switch or an interlock kit with a power inlet box connects to, installed by a licensed electrician. Never backfeed the house through a wall outlet. It is parallel capable: linked to a second compatible unit with a parallel kit, the two outputs combine.
Starting, safety and warranty
It starts with a remote key fob or the electric push-button, with a recoil cord as backup. A CO shutoff sensor stops the engine if carbon monoxide builds up around it; it does not replace distance (20 feet from the house) and CO alarms indoors. It is listed as EPA compliant; check California availability if you live there. The warranty runs 3 years (residential use).
Typical price $1,800–$2,500: good value per watt?
Relative to its running watts, the Westinghouse iGen12000DFc scores 6.2/10 on value: an average result. Inverters always cost more per watt than open frames: compare it with other inverters. Generator prices on Amazon move a lot, especially before hurricane season: check the current price before you buy.
Westinghouse iGen12000DFc9,000 running W · Dual fuel inverter · typical price $1,800–$2,500
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Our verdict on the Westinghouse iGen12000DFc
The Westinghouse iGen12000DFc scores 7.9/10 and ranks 13th out of 174 generators analyzed. Its strengths: 9,000 running watts at 3% THD or less, with 14-50R and L14-30R outlets; up to 19 hours at 25% load and 11 hours at 50% on 7.9 gal. It is best suited to RVs and travel trailers, through its 14-50R outlet and home backup through a transfer switch or an interlock kit.
Westinghouse iGen12000DFc9,000 running W · Dual fuel inverter · typical price $1,800–$2,500
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Featured in our rankings
Sources
- Official Westinghouse product page (specifications)
- Amazon.com listing (availability and typical price, November 2026)
Frequently asked questions
Will the Westinghouse iGen12000DFc run a refrigerator?
Yes: its 9,000 running watts and 12,000 starting watts cover a full-size fridge, including the compressor's startup surge.
Can the Westinghouse iGen12000DFc power a house?
It can back up the essentials through a transfer switch or interlock kit connected to its 14-50R outlet. With this power, that includes most of a typical house.
How long does the Westinghouse iGen12000DFc run on a tank?
About 11 hours at half load according to the manufacturer, and 19 hours at a quarter load.
Does the Westinghouse iGen12000DFc run on propane?
Yes, it is dual fuel: 8,100 running watts on propane.
Is the Westinghouse iGen12000DFc quiet?
The manufacturer rates it at 64 dB(A), typical of an open-frame generator: not campground-quiet.
Westinghouse iGen12000DFc9,000 running W · Dual fuel inverter · typical price $1,800–$2,500
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Westinghouse iGen12000DFc7.9/10 · $1,800–$2,500
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