4 Best Gas Power Washer Reviews For 2019

When there is an issue in electricity supply or in case of any power failure, emerges the need of Gas Power washers. It is the one which uses gasoline to generate power for running the engine. It is different from an electric pressure washer in many ways. A gas pressure washer is considerably powerful than an electric pressure washer. These kinds of power washers are very good for heavy duty cleaning. If your house is large and there are many tough filth or dirt to clean this is best pressure washer for you.

Specifications to Consider

Following are the main specifications of gas pressure washer which you should consider before buying:


The main component of a gas pressure washer is its engine. The more powerful the engine, the more pressure it will deliver. The ultimate power output is governed by the engine capacity and then by the pump type, so the engine should be of a well-known and reputable company.


The output deliver by all the pumps is not same.  Moreover, brand and make of the pump matters a lot just as much as the design. You should go for the pumps with a long running period and the ability to get repaired.


All the gas pressure washers are not always easy to move around. Although most come with wheels, you should go for those with large pneumatic wheels and a strong base.

Easy to Winterize

During winter season, especially in the snowfall areas, gas pressure washers need a lot of care. Winterizing them requires removing all liquids and then filling in anti-frost solutions to protect the engine and pump insides against frost.


The deliverance of water flow through the hose is measured in units of GPM or Gallon per Minute. If the GPM is low with high PSI will also not allow you to clean your surface nicely. So, if you want to attain an effective cleaning you need a higher GPM or the GPM has to synchronize with water pressure.


Pound-force per square inch is the pressure resulting from a force of one pound-force applied to an area of one square inch generated by a machine. In the world of pressure washer, PSI indicates how much power of engine is required to create the water pressure. In market, there are many devices which delivers high PSI for effective and thorough cleaning of large areas.


Different nozzle tips are provided by the company for different usage. These nozzle tips can be connected by you on the top of your spray gun. Generally, 6 types of nozzles can be found in the market. The nozzle types are 0, 15, 25, 40, 65-degree and soap applicator nozzle. The Zero-degree nozzle tip delivers water in the form of a pencil point jet that reaches to the corners and hard-to-reach areas. Water delivery through 15, 25, 40 and 65-degree nozzles is like a wide spray fan. In comparison to other nozzles, soap applicator nozzle has less power and provides the mixture of detergent.

Hot and Cold Water

All pressure washers doesn’t comprise the facility of hot and cold water and mostly use cold water to clean a surface. But few machines can be found that render the service of hot water. So if you want to clean stubborn grease than go for hot water one as it is more easy to clean the oil stain, grease or any sort of sticky dirt with hot water.

Types of Gas Pressure Washer

The Gas pressure washers are categorized in the following types, you can select as per your need and requirement.

Non Professional-Duty

It delivers 2000 to 3100 psi (2 to 2.5 gallons per minute). It can be used in homes or shops. It can clean decks, patios, siding, fences, vehicles, boats efficiently.


It delivers 3200 to 4200 psi (2.8 to 4 gallons per minute). It is used for professional purposes like paint stripping and surface preparation, graffiti removal, construction-site cleaning jobs, and fleet maintenance.

Precautions of Gas Pressure Washer

For safety reason and maintaining the proper use of your gas pressure washer precautions should be adhered to at all times. These few things should be avoided when you are putting your gas pressure washer to use.

  • Gas and Oil usage

Every gas pressure washer is different. Some require the use of regular gasoline, others require that you use a 2-cycle mix. Some gas pressure washers use both a mixture of gasoline and oil. The instructions must be read carefully. Using the incorrect product or mixing your products the wrong way can and will destroy the engine.

  • Children Safety

As a gas pressure washer is a powerful machine, it should be kept away from children. Improper use can hurt them and also mishandling of the machine will not give good results. Either lock in your exterior shed or leave it in a location where your children cannot access it.

  • No Indoor Storage

Your gas pressure washer uses a combustible fuel so keep away from the interior of your home, since the motor produces carbon monoxide, toxic even in the slightest concentrations.

  • Only Outdoor Usage

The exhaust in the gas pressure washers releases fumes which are injurious to health. Indoor usage will not let the fumes disperse in air and inhaling them will be hazardous so it should be use outside of the home.

Generac701924.2 x 18.9 x 35.5 inches310057 pounds3 YearsCheck Now
Generac688224.2 x 18.9 x 35.5 inches290057 pounds2 YearsCheck Now
SIMPSONPS3228-S25 x 20 x 34 inches320083.2 pounds3 Years EngineCheck Now
SIMPSONMSH3125-S23.25 x 21 x 34.75 inches310065 pounds2 Years EngineCheck Now

Pros and Cons

Following are the pros and cons of a gas pressure washer.


  • It is more powerful than an electric pressure washer.
  • It is more portable as there is no power cord.
  • You can use it any time irrespective of power failure of interrupted electricity supply.
  • It is more durable as the manufacturer uses metal frame in its design.
  • Being more powerful it can perform better cleaning.
  • It is best for industrial uses.
  • It has adjustable pressure and volume of flow.


  • It is more expensive.
  • It is costly to maintain.
  • It cannot be used indoor due to high fumes.
  • It is not noiseless.


Apart from few demerits, a gas pressure washer will give you perfect cleaning satisfaction for what you bought it for. You can perform tedious cleaning task through it within minutes. It saves you from hiring professional service for cleaning your house walls and exteriors. If you are a business man or a constructor then it will be of immense help for you. Thus, if you go for gas pressure washer than do select the one which is more appropriate for your requirements.