How to Pick the Best Gas Power Washer: Your Complete Guide

Best Gas Power Washer

The pressure washing industry began in 1920. But it was relegated to the professionals.

Thanks to progress in technology, by 2014, pressure washers were commonly found in home garages and workshops. Consumers also have a choice between a gas and electric power washer.

Many choose a gas-powered pressure washer because it offers a higher level of pressure. That allows you to clean larger areas in less time.

It’s also often less necessary to require additional cleaning agents, especially if you choose the hot water option. There are now quite a few options when it comes to gas pressure washers.

Keep reading to learn how to choose the best gas power washer for your needs.

How the Best Gas Power Washer Works

Gas power washers provide mobility and power necessary to tackle larger jobs such as:

  • Patios
  • Sidewalks
  • Exterior siding
  • Decks

Some gas pressure washers come with a manual pull-start while others feature a push-button electric starter. They all have internal combustion engines.

Bigger and Heavier than Electric Washers 

The engine weighs around 25 pounds. That’s the total weight of an electric power washer.

Since they’re bigger, they usually come with storage built-in for the spare nozzles and pressure gun. They come with varying tire size and style and have either a hand truck or wheelbarrow like stance.

What to Know About a Gas Power Washer

The more you understand about pressure washers, the easier it is to find the right one for your needs.

Carriage Frame Construction 

If you need a bigger more powerful unit, they’re built using the wheelbarrow stance to make more room for the pump and bigger engine. The frame is made of welded steel to help incorporate vibration isolator engine mounting.

Electric Or Recoil Starter

With smaller internal combustion engines, they will either come with recoil or electric starters. Sometimes they come with both.

It’s more expensive to buy an engine with an electric starter.

Hot Water/Cold Water

If you choose to buy a hot water power washer, it comes with a heating element/boiler which heats the water up 140 F (50 C) above its current temp. The benefit of hot water is that it easily breaks up solid bonds and destroys tough stains.

Hot water pressure washers are great for farm and industrial use. Cold water pressure washers are more commonly used for DIY purposes.

Storage of Gasoline

Always empty the gas tank before storing your washer for the winter. Another option is to add stabilizer to it.

Tire Toughness

Heavy-duty pneumatic tires are best.

Types of Gas Power Washers

Not everyone has the same needs when it comes to a gas power washer. Knowing which type of model you need helps you make the right purchasing decision.

How much power a pressure washer has will determine which types of jobs it can safely handle. The power or pressure output is measured by pounds per square inch (PSI) and gallons per minute (GPM).

The higher the PSI and GPM, the more powerful jobs it can handle at a faster speed. However, it also usually means a higher price tag.

Light Duty

A light duty power washer is great for smaller jobs around the home. They’re ideal for cleaning the following:

  • Small decks
  • Patios
  • Grills
  • Vehicles
  • Patio furniture
  • Grills

They typically rate between 1300 to 1900 PSI at 2 GPM.

Medium Duty

Medium duty pressure washers are usually gas-powered. They’re sturdier than light duty pressure washers. These machines are best for cleaning the following:

  • Fences
  • Walkways
  • Exterior siding

They generate between 2000 and 2800 PSI at 2 to 3 GPM.

Heavy Duty and Extra Heavy Duty 

Heavy and extra-heavy washers are professional-grade pressure washers perfect for everyday commercial uses such as:

  • Paint stripping
  • Graffiti removal
  • Washing two-story homes

They generate between 2800 PSI and higher at 3 to 4 GPM.

Multi-Duty

Also known as an all-in-one pressure washer, multi-duty machines let you adjust the pressure and water flow allowing you to tackle various cleaning tasks.

Gas Power Washer Terms You Need to Know

There are a few terms associated with gas power washers you need to know.

Adjustable Wands

Adjustable wands let you change the spray pressure and pattern without changing the nozzle tip.

Axial Cam Pump

Most washers designed for home use have an axial cam pump. This helps the owner enjoy a simple, maintenance-free operation.

Cubic Centimeters

Cubic centimeters is what indicates the power output for gas pressure washers.

Interchangeable Nozzle Tips

These accessories help you get the exact flow and pressure you need to handle any job. High-pressure tips deliver a narrow spray which gives more cleaning power.

Low-pressure tips provide greater coverage and can be used to apply cleaning agents.

Rotating Nozzles

Rotating nozzles spray in a powerful circular motion.

Triplex Pump

Triplex pumps are found on pressure washers intended for frequent commercial or industrial use. The pump ensures the machine has a longer life expectancy while performing more efficiently.

Unloaders and Thermal Relief

Design features that help reduce heat and pressure buildup to prevent damaging the pressure washer.

Gas Washer Warranties

Warranties are pretty standard with gas pressure washers. The engines come with a two-year limited warranty.

The rest of the unit comes with a one-year warranty. Some features such as the nozzles, pressure gun, and hose are only covered under warranty for 90 days.

Limited warranties are referring to the fact that there is a guarantee against any manufacturer defects in material and/or workmanship.

How to Maintain a Gas Power Washer

Taking proper care of your washer means you won’t void the warranty. Routine maintenance also ensures you’ll be able to use your washer for a long time.

It’s recommended you get general inspections. You’ll also need to learn about pump care, especially those who live in geographical areas that experience freezing temperatures.

Gas pressures typically require more maintenance than their electric counterparts. You’ll have to clean, maintain, and change parts such as the air filter, spark plugs, and oil.

Find the Latest Reviews Here

It’s not always easy to find the best gas power washer without reading online reviews first. That way, you’ll get a better sense of what each model and brand can handle before you buy.

Whether you’re in the market for a power washer or another type of product, we want to help. Click here to find the latest power washer reviews for all your DIY needs.

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