Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- Westinghouse iGen4000c
- Aceup Energy AI4500
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @25%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Westinghouse iGen4000c | Aceup Energy AI4500 |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Not available |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | 3300 W | Winner: Winner: 3600 W |
| Starting watts | 4000 W | Winner: Winner: 4500 W |
| Noise (lower limit) | Winner: Winner: 52 dB | Not available |
| Weight | Winner: Winner: 61.7 lbs | 62.7 lbs |
| Run time @50% load | Not available | Not available |
| Run time @25% load | 7 h | Winner: Winner: 10 h |
| Fuel tank | 1.66 gal | 2.65 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 21.3 x 12.6 x 19.3 | Not available |
| Electrical | ||
| Voltage (AC) | 120 | 120V |
| Voltage (DC) | 5 | 12V |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | 3 % | Not available |
| Engine | ||
| Engine | 141 cc OHV 4-stroke | 223cc 4-stroke OHV engine |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Not available |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3300 W | 3600 W |
| Starting watts | 4000 W | 4500 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | Not available | Not available |
| Run time @25% load | 7 h | 10 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA | EPA compliant |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating | Not available |
| UPC | 850032657440 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3300 | 3600 |
| Starting Watts (Gasoline) | 4000 | 4500 |
| Runtime @ 25% Load (Gasoline) | 7 | 10 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R) | Two 20A outlets and one 30A Twist-Lock |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | 4-stroke OHV |
| Engine Displacement | 141 | 223 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 7 | 10 |
| Controls & display | ||
| Display Type | Not available | Intelligent gauge |
| Idle Control System | Not available | Economic mode to save fuel |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Oil, funnel, tool kit, key fob, battery charger, battery, and parallel cables | 5-in-1 knob: fuel on/shut-off, engine on/off, choke |
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, battery, and parallel cables | Not available |
| Warranty & identification | ||
| Residential Warranty | Not available | 2 |
| Commercial Warranty | 3 | 2 |
| Part Number | Not available | AI4500 |
| Additional specs | ||
| Summary | The Westinghouse iGen4000c is a 3300-watt gasoline inverter generator with a peak output of 4000 watts, designed for versatile portable power needs. | The Aceup Energy AI4500 is a 3,600-watt inverter generator built around a 223cc 4-stroke OHV engine. It produces 3,600 running watts and 4,500 peak watts, making it suitable for home backup of essentials, jobsite tools with moderate surge needs, and applications where clean power matters. As an inverter model, it delivers stable electricity to sensitive electronics like laptops, chargers, and networking gear while handling traditional household loads and motor starts. The 2.65-gallon fuel tank and 10-hour runtime at 25 percent load support overnight run windows for light to moderate demand. Parallel capability lets users connect two units later to increase total output without replacing the generator entirely. |
- Most PowerfulAceup Energy AI45003600W running
- QuietestWestinghouse iGen4000c52 dB
- Longest Runtimeh at 50% load
Where to buy
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Westinghouse iGen4000c
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Aceup Energy AI4500
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