Generac GP3300i

Name: Generac GP3300i
Brand: Generac
Price: 599 USD
Availability: InStock

~$599approx. list price

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800 WLights, phones, router, a CPAP
2,200 WFridge, freezer and the essentials
4,000 WFurnace blower, sump pump or a window AC
7,500 WWell pump or a small central AC
18,000 WWhole home with central air

2,500 W running, 3,300 W surge — sustains the fridge, freezer and the essentials tier and everything below it.

Best forBudget campers who want more watts than an EU2200i for half the price and accept more noise.

Generac's play for the Honda EU2200i shopper who balks at $1,200: 2,500 running watts (700 more than the Honda), PowerRush surge tech, USB ports, and COsense CO shutdown for roughly half the money, in a 60-lb suitcase. What to know: Generac doesn't publish a noise spec, the 1-gallon tank is small, and the 3-year warranty runs through Generac's dealer network. A rational value pick if ultimate quiet isn't the goal.

From the spec sheet

Specifications

Running watts: 2,500 W
Starting watts: 3,300 W
Fuel tank: 1.06 gal
Runtime: 4.5 hrs @ 50% load, 7 hrs @ 25% (1.06 gal)

Type: Inverter Generator
Fuel: Gasoline
Outlets: 2x 120V 20A (5-20R), 2x USB, parallel ports
Transfer-switch ready: No
Weight: 60 lbs
Warranty: 3-year limited
Model: 7154

2,500W for half Honda money·60-lb suitcase design·PowerRush surge headroom

At a glance

Strengths

+700 more running watts than an EU2200i at half the cost
+PowerRush handles motor-start surges above its class
+60 lbs with a decent carry handle
+USB ports and parallel capability built in
+COsense CO shutdown standard

At a glance

Drawbacks

−No published noise spec to compare against Honda/WEN rivals
−Small 1-gallon tank means frequent refills
−No 30A RV outlet

Summarised from owner discussions and forums

Owner insights

The GP3300i is Generac's answer to the shopper who wants more than an EU2200i's output without Honda money: 2,500 running and 3,300 starting watts, COsense shutdown, USB and parallel ports in a 60-lb case for about $599. One shopper wanted it to run a furnace, fridge and well pump through an interlock during outages. Another weighed it against the WEN 3600-watt inverter and could not find a Generac dB figure; both people who answered leaned to the cheaper WEN, and the shopper had already ruled out Honda's EU3200i on cost.

Fuel-system faults are the ownership problems that do surface. An owner with about 10 hours on the clock found it shuddering at idle and under load after sitting, and others agreed on cleaning the carburetor idle jet; another stored it with gas in it and found fuel running out of the overflow hose, which he suspected was a stuck float and someone else put down to an open bowl drain screw. Draining the carb before storage was the advice given. It is a 120V-only machine, so a 240V well pump is out of reach, and the 1.06-gallon tank (about 4.5 hours at half load, 7 at quarter load) pushed one owner toward an extended-run setup, though he could not find a fuel cap kit listed for it.

What owners like

+2,500 running watts, 700 more than a Honda EU2200i, in a 60-lb suitcase case
+COsense CO shutdown, two USB ports and parallel ports are standard rather than step-up features
+One shopper liked how small it is for its output and could not justify the price of Honda's new fuel-injected 3200 next to it
+When an owner's unit shuddered after sitting, three people pointed to a clogged carburetor idle jet, which one called an easy fix once the carb bowl is off and another said usually takes a wire pushed through it

Common complaints

−Two owners hit fuel trouble after storage: one unit with about 10 hours on it shuddered at idle and under load after sitting, which others put down to a clogged idle jet, and another, stored with gas in it, leaked fuel from the overflow hose
−120V only, so it cannot run a 240V well pump even through an interlock; a shopper planning exactly that was told to look at a 240V generator of about 4kW or more
−Generac publishes no noise rating, and one cross-shopper was pointed to the WEN 3600-watt alternative at close to half the price
−The 1.06-gallon tank gives about 4.5 hours at half load, and an owner building an extended-run setup could not find a gas cap or reasonably priced kit listed as fitting this model

Questions owners ask

Can the GP3300i run a 240V well pump through my interlock?

No. It only produces 120V, and a well pump on a two-pole breaker needs 240V regardless of its wattage. One estimate put the minimum at about 4kW with 240V output, and another said the pump's locked-rotor starting surge is the real sizing constraint: his own pump surges to 4,500 watts and runs near 2kW.

Why would it shudder at idle after sitting for a while?

Answers to an owner whose unit did this at about 10 hours all pointed to a partly clogged carburetor idle jet. They suggested removing at least the bowl and clearing the idle jet with a fine wire, since even ultrasonic cleaning can fall short. One added: do not leave gas in the carb when storing it, and do not run old gas.

Is it worth the extra money over the WEN 3600-watt inverter?

Answers to a shopper weighing the two leaned toward the WEN at close to half the price, arguing both come from Chinese factories and the Generac price is mostly the name. Generac publishes no decibel figure to settle the noise question, and one suggestion was a dual-fuel unit instead, since this one runs on gasoline only.

Head to head