Guide To Buying Pressure Washers
No two pressure washers from the same manufacturer will be similar. Parameters, operation, usage, application everything differs based on the design, output and performance. So, how do you really choose the perfect pressure washer? For a long time I too selected a washer based on the PSI and GPM output. But that is not all to the equation
We have classified pressure washers into the 3 following categories.
Here we shall help you decide on four variables before going deeper into individual buying guides for each category of pressure washer.
PSI Based Selection
PSI basically refers to the total water pressure created by your pressure washer. It can range from 1000 PSI to over 4000 PSI. We have classified pressure washers based on their PSI output into four classes namely light duty, medium duty, heavy duty and extra heavy duty pressure washers.
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Majority of commercial pressure washers or domestic washers are designed for light duty usage. They exert a maximum of 2000 PSI and are good for basic household tasks.
High end commercial pressure washers can produce medium grade PSI output and majority of Semi-Pro pressure washers usually handle this kind of output with ease. The maximum pressure in this range is 3000 PSI and it starts from 2000 PSI.
Majority of high end semi-pro pressure washers can easily produce around 3000 PSI but only a few manage to reach as far as 4000 PSI. A Professional pressure washer however should start from a PSI of 2500 and move above 4000 PSI. So, a proper heavy duty pressure washer can fall either under the high end bracket of Semi-Pro or low end side of professional pressure washers. Range is from 3000 PSI to 4000 PSI.
Extra Heavy Duty
All professional grade pressure washers produce over 4000 PSI and are excellent for heavy duty industrial applications. They are usually gas variants and have plenty of raw power. Range starts from 4000 PSI and above.
Based on usage, one can divide pressure washers into personal use and business use equipment.
Gas Versus Electric
Gas powered pressure washers are excellent when it comes to outdoor applications. They may be noisy but the total power output is much higher than electric pressure washers. On the other hand electric pressure washers are usually limited to Commercial and Semi-Pro models since they cannot produce the phenomenal power required to compress water over 4000 PSI.
Basically if you are searching for a compact pressure washer for domestic applications or personal use then you have plenty of choices in electric as well as gas models. For business applications of a regular nature, gas pressure washers are best suited.
Hot Versus Cold
Almost all Commercial and Semi-Pro pressure washers are cold type units. They do not heat water and directly mix cleaning detergent with the water. On the other hand Professional grade pressure washers can operate as a hot water washer as well as a cold water washer, based on the need of the hour.