4000W Inverter Generator with CO Sensor NV4000i

The NOVUS 4000-Watt Open Frame Inverter Generator is one of the most innovative products on the market. Our advanced technology and innovative design will improve the way you power your life. Our advanced feature-packed power solution includes Quiet Technology, Extended Run Time, Economy Mode and Clean Power.

  • Powerful 223cc 4-stroke OHV engine delivers strong performance.
  • 4000 peak watts, 3500 running watts and runs for up to 8 hours on a 2.4 gal. gas tank.
  • CO sense technology provides protection against hazardous carbon monoxide.
  • Inverter technology provides clean, stable power for sensitive electronics.
  • Digital display makes it easy to monitor output, frequency and runtime.
  • Parallel Ready design connect two generators for double the power.
  • Two year limited warranty with free lifetime technical support from dedicated experts.

429.99

Where To Buy:

4000W Inverter Generator Features

Powerful Performance

This gas generator for home use features a 223cc 4-stroke OHV engine, delivering 4000 surge watts and 3500 rated watts. The 2.4-gallon fuel tank offers up to 8 hours of run time at 25% load.

Smart and Reliable

Equipped with inverter generator CO sense technology, it detects and alerts you to hazardous carbon monoxide, ensuring your safety during operation.

3-Mode LED Data Center

The Digital Control Center of this 4000W inverter generator shows runtime hours, voltage output, and frequency on an easy-to-read LED display.

Clean Power for Sensitive Electronics

Ideal for home and RV use, this open frame inverter generator provides stable power through a 120V 30A outlet, two 120V 20A outlets, and two USB ports.

Parallel-Ready

Need more power? Connect two inverter generators with a parallel kit (not included) to double your power output.

Package Includes

1 x gas inverter generator, 1 x User Manual, 1 x Quick Start Guide, 1 x Funnel, 1 x Engine Oil, 1 x Tool Kit.

NOVUS Support

Backed by our US-based team of experts, we provide exceptional customer service, a 2-year warranty, and free lifetime technical support for your NOVUS generator.

Inverter Generator Application Scenarios

 Driven by a robust 212cc 4-stroke OHV engine, the NOVUS 4000i open-frame inverter generator provides 4000 starting watts and 3500 running watts of clean, stable energy. Ideal for home backup, construction sites, outdoor events, and RV power supply, the NOVUS 4000i stands out with reliable performance and heavy-duty endurance.

NV4000i Inverter Generator FAQ

A: This generator delivers robust power for demanding needs. With 3500 running watts, it can handle essential home systems like a refrigerator, lights, a sump pump, and even a central air conditioning unit. For your RV, it’s perfectly suited to power the air conditioner, microwave, and other appliances simultaneously via its dedicated 30A RV outlet.

A: The 3-Mode LED Data Center provides real-time, critical information at a glance. You can easily track the remaining runtime to plan refueling, check the output voltage to ensure power stability, and monitor the frequency for optimal safety of your connected devices.

A: Absolutely. As an inverter generator, it produces clean, stable “pure sine wave” power with very low Total Harmonic Distortion (THD). This makes it completely safe for sensitive electronics, including laptops, gaming consoles, flat-screen TVs, and smartphones, without risk of damage.

A:The runtime of up to 5.7 hours is based on a 50% load (1750 watts), which represents a significant and common usage level for a generator of this capacity. It is engineered to deliver high power for demanding tasks. For lighter loads, its advanced inverter technology allows the engine speed to adjust downward, which optimizes fuel efficiency and extends runtime.

A:Your generator arrives ready to use, including engine oil, a tool kit, a funnel, and comprehensive guides. More importantly, it is backed by our US-based expert team, a 2-year warranty, and free lifetime technical support for complete peace of mind.

NV4000i Inverter Generator Operation Introduction

Generator TypeInverter
Running Wattage3500 Watts
Surge Wattage4000 Watts
Rated VoltageAC:120V
DC:5V
Rated AmperageAC: 29.2A
DC:2.1A/ 1.0A
Frequency60Hz
PhaseSingle
Grounding TypeNeutral Floating
Operating AltitudeUnder 6562 ft.
Rated Run Time (max)8 hours @ 25% load
Weight77 lb.
DimensionsLength:18.5″
Width:17.3″
Height: 20.1″
  
Engine ModelW230Fi
Engine Displacement223cc
Engine Type4-Stroke, Air Cooled, Overhead Valve (OHV)
Fuel TypeFresh, clean regular unleaded gasoline with a minimum octane rating of 87 and ethanol content of no more than 10% by volume.
Fuel Capacity2.1 gal.
Spark PlugF7RTC/F7TC-Torch
Spark Plug Gap0.028-0.031 in(0.7-0.8mm)
Oil TypeSAE 10W-30
Oil Capacity20 fl oz (0.6 L)

Related Products

Reviews

Leave feedback about this

  • Rating
Choose Image
Choose Video