When you might wish to wash certain zones you’re using an electric pressure washer where there’s no way to plug it in for electricity.
At this point, you will discover that you need a power generator.
Through this article, you can find out the required size generator to run an electric pressure washer that you need.
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What Size Generator Do I Need To Run Electric Pressure Washer?
For an electric pressure washer, you should select a generator that can produce at least 1.5 times the washer’s wattage. This accounts for the start-up power surge, which can be significantly higher than the running wattage.
Generator size chart for the electric pressure washer:
| Electric Pressure Washer | Running Wattage (W) | Start-Up Wattage (W) | Recommended Generator Size (W) |
|---|---|---|---|
| Sun Joe SPX3000 | 1800 | 5400 | 6000 |
| Greenworks GPW1501 | 1200 | 3600 | 4000 |
| Karcher K1700 | 1700 | 5100 | 6000 |
| Ryobi RY141900 | 1800 | 5400 | 6000 |
| Westinghouse WPX2700 | 2700 | 8100 | 9000 |
Why the Right Size of Generator Matters
Protecting Your Equipment
The right size of a generator keeps your tools safe. A small generator might overload. This overload can hurt both the generator and the washer.
They might not last as long. A big generator uses more fuel. This means you will use more money on fuel.
Safety Considerations
Safety is a big reason to choose the right size. A wrong-sized generator can cause fires or shocks. Fires can harm you and your things.
Electric shocks can hurt anyone near the tools. Also, a generator needs good air. Without it, there’s a dangerous gas called carbon monoxide.
This gas can make people sick or even kill them. Always place generators where there’s lots of fresh air.
Efficiency and Longevity
The right generator helps your tools work well. Both the generator and washer will use fuel well. This saves you fuel and money. It also saves time.
And, your tools will last longer. They won’t break down too soon. This means fewer repairs and a longer life for your tools.
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Finding the Perfect Generator Size for Your Electric Pressure Washer
Check the Washer’s Power Requirements
First, look at your washer’s power needs. Find the running wattage and the start-up wattage. The running wattage is the power your washer uses normally.
It’s on your washer’s label or manual. The start-up wattage is higher than the running wattage. It’s the power for the washer to start.
To guess the start-up wattage, multiply the running wattage by 3. This isn’t always exact. Check your washer’s specifics.
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Factor in Start-Up Power Surge
Second, think about the start-up surge. The generator must handle this surge. A safe choice is a generator with 1.5 times the washer’s running wattage.
So if your washer uses 2000 W, get a generator of at least 3000 W. This stops overload during the surge.
Consider Other Concurrent Power Needs
Last, think about other devices you’ll use with the washer. Like radios, fans, or lights. These need power too. Add their wattages to the washer’s wattage.
If your devices total 210 W and your washer is 2000 W, you need 2210 W. But don’t forget the start-up wattage for everything. Add those up too.
Then, choose the bigger total. It’s smart to get a generator with 20% more power than you think you need. This gives a safety buffer.
If you need 6600 W, aim for 7920 W. Your generator will run well without issues.
Types of Generators Suitable for Electric Pressure Washers
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Portable Generators
Portable generators are common for electric pressure washers. They’re light and easy to move. They use gasoline, diesel, or propane.
The power devices for hours or days. The duration depends on fuel and load. They’re great for outdoor activities. Think of camping or car washing.
They’re affordable and simple to keep up. But they’re noisy and need refueling often. They might struggle with big washers.
Inverter Generators
Inverter generators are modern and advanced. They’re like portable ones but better. They use special tech. This tech makes them quiet and efficient.
It turns AC power to DC, then back to AC. They have a smart system. This system changes the engine speed. It matches the power need, saving fuel.
They give stable power. This is good for sensitive devices. They’re great indoors or out. Perfect for high-tech washers. But they can be pricey.
Standby Generators
Standby generators are big and fixed. They’re set in one place. Like your home. They connect to your main power. They start when the power goes out.
They use natural gas or propane. They can run for days or weeks. They’re for regular washer users. They’re reliable and handy.
But you need a pro to set them up. They cost more too.
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Tips for Safe and Efficient Generator Use
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Proper Ventilation and Placement
Proper ventilation is vital for safety. Place generators away from flammable things. This includes gasoline, oil, and paint.
Windows, doors, or vents shouldn’t be near them. Exhaust fumes can kill. Always choose a flat and dry spot. Outside spots are the best.
Use strong outdoor extension cords. Match the wattage to your generator’s. Don’t use many cords together. They can overheat. Overheating can start fires.
Regular Maintenance
Regular maintenance keeps your generator safe. Always check it before and after use. Follow the maker’s care instructions. Keep track of usage and oil changes.
Change oil and filter after 100 hours. Or every six months. Whichever is sooner. Inspect spark plugs and air filters. Do this every 50 hours.
Or every three months. Also, check fuel tanks and wires. Look for leaks or damage.
Avoid Overloading
Don’t overload your generator. Know its wattage limit. And the cord’s limit too. Don’t use too many devices at once. Start the generator first. Wait a bit.
Then connect devices. Start with the biggest device. Then add smaller ones. Turn off devices you don’t need. Overloading can shut the generator down.
It can trip circuit breakers. It can damage equipment. It can waste fuel. And it’s a fire risk.
FAQs About The Best Generator To Run Electric Pressure Washer
Can I use a smaller portable generator for a pressure washer?
Only very small portable washers under 1500W can run on an inverter generator.
What fuel type is best for a pressure washer generator?
Gasoline generators offer the most affordable power for occasional pressure washing. Propane is more convenient but pricier for full power output.
How do I connect the pressure washer to the generator?
Use an adequately rated extension cord no longer than 50 feet from the generator to the pressure washer.
Can the generator run other tools while also powering the washer?
Yes, as long as the combined starting and running wattages of all connected tools do not exceed the generator output.
The Bottom Lines
When you can acquire the correct size generator for an electric pressure washer, it’s always good.
It’s possible that you’ll be able to discover a generator that matches your requirements.
If you’re still having trouble deciding on the best generator for an electric pressure washer, find a model that meets your budget and has the correct power rating, then go ahead and buy it.
