Just bought this generator and I am so pleased. It is exactly as described. Runs my whole camper 13,500 BTU AC all lights etc. Runs nice and quiet. For the money I haven't seen a better product on the market. Comes with all you need to get started including a funnel to put the oil in the generator. I invited my neighbor over to check out my new generator for camping and he's already left to go order one online like I did. I'll come back and update this review after a few months of use and let you know if I am still happy with this generator. Thanks Generac for what I believe is going to be an awesome generator from what I have seen thus far.

I have had several carb issues. I worked where we sold Generac generators, and always spoke highly of them. I owned a GP5500 prior w/ few problems. I always kept ethanol free gas or gas w/ Stabil in my IQ3500 . Which purchased 9/2019. I had one carb replacement a year ago ,after a month wait for parts from Generac. It would start but not run and the ECO setting would shutter and shut the engine off. Now it is repeating problems, after only being run on ethanol gas for less than 1 hour. We used it to run the 13.5K A/C or to run heater fan and charge RV batteries. We were able to do one or the other at a time. It was never able to pull the 25 Amp specs.

After months of extensive research, I chose the Generac IQ3500 as a home back power source. All of the pre-work paid off. This unit is very well built, runs extremely well, and is unbelievably quiet. Could not be more pleased with this generator. Well done Generac.

Researched inverter generators on YouTube for hours to find the perfect unit to power my camper at unserved sites. Narrowed my choice down to the Honda EU 3000is or the Generac iQ 3500, but it was the Generac’s cost that made it the easy decision! For being equally (or possibly even more) quiet, 20lbs lighter and having nicer features such as a keyless starting switch, automatic choke, and a display screen for monitoring voltage output and run time to gauge oil changes it knocked it out of the park!! Generac…please make a nice fitted storage cover for this generator! It is a beautiful unit and deserves one! Only one complaint is that the generator started surging right out of the box brand new. I carefully added the included engine oil to the correct level and poured in clean, fresh gas but it needed a carburetor cleaning probably from having residual gas sitting in the carburetor or float bowl during product testing before packaging and sitting in a warehouse for 2 years until I purchased it. Service was covered under warranty, it was just the inconvenience of having to take a brand new unit in and the frustration of fiddling with it myself for 4 hours previous to the service. (I removed and cleaned the carburetor personally, the service centre only removed the float bowl as people are lazy now). ***Be mechanically inclined if you buy this generator. Good service doesnt’ exist anymore. No one will help you. 😑***

I have owned a Generac pressure washer for more than 20 years, and previously owned a whole house generator, I have/had great service from both. Decided to purchase a small stand by generator - GP3300i. I have ran for a few hours and very happy. Quieter than I expected and does what I need.

had a direct comparison with the honda product. few things noticed. was very quite at idle but when loaded up became louder than the honda. also noticed that it vibrated more at 75% load than the honda which may be the reason with the noise. overall for the price quoted it does seem to stack up well to the honda

I purchased the 3500 IO back in 2020 in Texas. To date I have 7558.7 hours on the unit, it went through the Big Freeze in Texas, kept my neighbors homes heated during power outages. This unit has had the oil changed every 250 hrs (30W), Lucas upper cylinder gas additive occasionally, a new pull cord at 5800 hrs and a yearly plug change. I recommend this unit for all your uses up to 25 amps, it hasn't let me down. Great unit

I choose it for my Rv. I took it on an12,000 mile Alaskan trip which included frost heave and dirt roads. The only issue is it quit cranking off the electric start. It does crank easy off the pull start. I had to use the pull start most of the trip. It was new when I left. It’s super quiet! If others are running around I couldn’t hear mine at all even though theirs were a good distance away. Generac meads to sell it with a cover or sell a fitted cover. I had a problem with dust getting in the receptacles as a couple are for electronics charging.

Overall great unit. However, room for improvement on power options and design. Pro's - Super Quiet and Fuel Efficient. Cons - Not available in bigger options. Would love to see something in the 4000-5000W range with some sound dampening. Or, design a cover for your open frame options. Lastly, please add some wheels to this thing!

We live in a 1950’s suburb in Sacramento, CA - the City of Trees. We love our trees. But windy winter storms, trees and power lines don’t always work together. After annual power loss for up to 3 days each winter, we bought this inverter generator this winter - a day before the storm. Long story short this unit fired up with ease and powered our fridge, heat fan unit (gas powered furnace), several lamps and even our wifi. The generator ran for 30 hours straight and was an after thought until the power was restored. We’re huge fans now and wish we’d bought this years ago.