Find out in this review whether the Firman W03383 3650 Generator is right for you and what other options you have.
Keep in mind that the Firman P03603 3650/4550-watt is a different generator.
Firman 3650 Generator review in short
The Firman W03383 3650 is good for an inverter generator around this power level.
Two things that positively stand out are its good fuel efficiency and remote start.
That being said, you will likely still prefer one of the other good 3500+ watt generators.
For example, the WEN 56380i 3800 is more budget-friendly and more powerful than the Firman 3650 Generator.
Besides that, the Westinghouse iGen4500DF tends to be better if you like being able to run on propane too.
Pros
- Good fuel efficiency
- Electric and remote start
- Nice amount of power
- Relatively quiet operation
- Nice run time
Cons
- A few exceptional cases of technical issues
- Requires some effort to move around
Some of the best uses for the Firman 3650 Generator include:
- Camping
- RVs
- Tailgating
- Running certain power tools
- Nice amount of backup power
Firman 3650 Generator performance in important categories
To complete the mini review it can be helpful to see how the Firman W03383 3650 Generator performs in a variety of important categories.
| Performance Category | Firman 3650 Generator Score* | Performance Category | Firman 3650 Generator Score* |
|---|---|---|---|
| Power Capacity | 6 | Fuel Efficiency | 9.5 |
| Run Time | 8 | Ease Of Use | 8 |
| Quiet Operation | 9 | Portability | 6 |
| THD | <3% | Price Category | $$ |
| Reliability Reputation | 7.5 | Overall Expert Rating | 8 |
| Current Price | Check Price |
Individual reviews compare the specific model to portable generators in general and sometimes scores are based on customer input
Firman 3650 Generator review table of contents
Firman 3650 Generator key features
Getting an idea of whether the Firman 3650 Generator is good enough can feel overwhelming with all of the different details.
That being said, the key features in the table below already offer a relatively good idea of what to expect from this inverter generator.
| Feature | Firman 3650 Generator Detail |
|---|---|
| Fuel Type | Gasoline |
| Starting Watts | 3650 Starting Watts |
| Running Watts | 3300 Running Watts |
| Run Time @50% Load | 9 Hours |
| Noise Levels | 58 dB |
| Outlets | (1) 120V 30A TT-30R Outlet, (1) Duplex Of 120V 20A 5-20R Outlets, (1) USB Port, (1) 12V 8.3A Outlet |
| THD | <3% |
| Warranty* | 3 Years Limited Warranty |
| Price Category** | $$$ |
| Check Current Price |
*Warranties can vary from seller to seller
**Price category at the time of writing
What can the Firman 3650 Generator run?
One of the most important things to look at is whether the Firman 3650 Generator can run what you want it to.
The article on what a 3500 watt generator can run offers more details but you can find a few examples in this review too.
Some of the bigger devices the Firman 3650 Generator should be able to run are a 15k BTU window air conditioner, a 1 HP pressure washer, or a bench grinder.
Additionally, you can use the Firman 3650 Generator to run combinations of smaller appliances and tools.
An example of a combination like this is an 11K BTU RV air conditioner, an energy-friendly refrigerator, an electric drill, and a coffee maker.
Keep in mind that your devices may have different power needs than the ones used for these examples.
It is also worth mentioning again that this review focuses on the Firman W03383 3650.
Something like the Firman P03603 3650/4550-watt generator will be able to handle a nice amount more.
Firman 3650 Generator customer reviews insights
Even if a generator like the Firman 3650 looks good in terms of features and price, you want to check the customer reviews too.
Sometimes generators come with high rates of technical issues and/or unexpected downsides due to the design.
In the case of the Firman 3650 Generator, there are a few exceptional reviews where customers had technical issues with their model.
That being said, the suboptimal reviews tend to be about the Firman 3650 Generator being louder than expected.
However, these could be cases of having the wrong idea of 58 dB at 25% load.
So while there is still room for improvement, customers tend to be positive about the Firman 3650 Generator in their reviews.
Firman 3650 Generator alternatives
The Firman 3650 Generator is relatively good but there are some alternatives you may like even more.
For example, the WEN 56380i 3800 is a lot more budget-friendly, offers a bit more power, and is very similar in other areas.
Additionally, if you want to be able to run on propane, something like the Westinghouse iGen4500DF tends to be better.
Even if you are looking into quiet remote start generators, there are better options than the Firman 3650 Generator.
You could also look into the Firman W03381 and W03382 but these are very similar except for their more basic start mechanisms and generally slightly lower prices.
Is the Firman 3650 Generator worth it?
The Firman 3650 Generator can be worth it in terms of the value you get for the investment. Especially if you like the fuel efficiency and remote start.
That being said, there are many other good inverter generators around this power level too.
You will likely prefer at least one of the alternatives mentioned over the Firman 3650 Generator.
Other Firman 3650 Generator specs
Before making your conclusion about the Firman 3650 Generator, you may want to know about certain other specs.
Additionally, you can check the Firman 3650 Generator manual for more information about details like how to start, what to do if it won’t start, and more.
| Specification | Firman 3650 Generator Detail |
|---|---|
| Voltage | 120 Volts |
| Portable | Yes |
| Fuel Tank Capacity | 1.8 Gallons |
| Fuel Efficiency (kWh Per Gallon) | 6.875 |
| Outlet Covers | Yes |
| Engine Displacement | 193cc |
| Recoil Pull Start | Yes |
| Electric Start | Yes |
| Low Oil Shutdown | Yes |
| Oil Type | SAE 10W-30 For 0°F To 120°F Or Full Synthetic SAE 5W-30 For -20°F To 120°F Or SAE 5W-30 For -20°F To 25°F Or SAE 10W-40 For 65°F To 120°F |
| Fully Enclosed Design | Yes |
| AC Frequency | 60 Hz |
| Remote Start | Yes |
| Built-In Digital Smart LCD | Yes |
| Hour Meter | Yes |
| Fuel Gauge | Not Mentioned |
| Wattage Meter | No |
| Run Time Remaining | No |
| Engine Type | 4 Stroke |
| Remote Generator Operation | Yes |
| Parallel Ready | Yes |
| Wheels | Yes |
| CO-Minder | No |
| Country Of Origin | Not Mentioned |
| Dimensions | 23.2″ L x 17.8″ W x 17.9″ H |
| Weight | 91 lbs (41.3 kg) |
| Check Current Price |
Firman 3650 Generator FAQ
How long will a Firman 3650 Generator run?
A Firman 3650 Generator will run for about 9 hours at 50% load on a full tank of gasoline.
How much oil does a Firman 3650 Generator take?
The Firman 3650 Generator has an oil capacity of 20.3 fluid ounces or about 0.6 liters.
How many decibels is a Firman 3650 Generator?
The Firman 3650 Generator is rated 58 decibels at 25% load.
How long will Firman 3650 run on 5 gallons of gas?
If you don’t include the time to refill the generator, the Firman 3650 would run about 25 hours at 50% load on 5 gallons of gas.
