How Many Gallons of Water Needed To Power Wash a House?

Pressure washing is one of the most cost-effective and efficient ways to keep your house looking like new.

Over time, and depending on your location and environmental conditions, there can become a significant build up of dirt, grime, mildew and even mold.

You may have tried to scrub it by hand or use your garden hose only to find out you can’t take a month off of work!

If you’re planning to prep your house for a new coat of paint or just get it looking like it did when you first moved in, then you’re probably considering pressure washing it.

It is important to have a clear picture of the amount of water that pressure washing your home will consume and to avoid using more than what is required.

This post will help you to understand how water-efficient your pressure washer really is. It will also help you determine how much water will be consumed with the cleaning work that you engage with when pressure washing your house.

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How many gallons of water do you need to power wash your house?

It will usually take around four gallons of water to power wash the entire house. However, you need to understand that this would vary based on numerous factors.

If your house is small, you will have to spend less water. If your house is particularly dirty, you’ll have to use more.

What we suggested is for a standard-sized three-bedroom house.

Depending on the overall size of your house, you need to make sure that you are selecting the ideal GPM (Gallons per Minute) setting in the pressure washer.  

Water pressure is playing a major role behind the functionality delivered to you out of a pressure washer. In other words, water is providing you with all the power that is needed to break up stains and dirt and the overall build up.

The pressure ultimately depends on the amount of water that is flowing out of the nozzle of your pressure washer per second.

If you allow more water to flow through the nozzle of your pressure washer, you can increase the overall pressure. Along with that, you can get a faster and better cleaning experience.

The amount of water flowing out of the nozzle is calculated by a parameter called Gallons per Minute.

When there is more water, you will be able to increase the possibility available to lift the dirt and carry them.

Still not convinced? Just take a look at a situation where you are using a squirt gun to get rid of the dirt that is accumulated in the sidewalk. You can witness how the dirt is breaking up.

However, dirt will still remain there. That’s because there is no medium to carry the dirt. Now you can take a bucket of water and pour it.

Then you will be able to see how the dirt is being washed away. 

Instead of going through such a lengthy and troublesome process, you can think about using a pressure washer. Then you will be able to receive both pressure and water volume.

Pressure will keep on breaking up dirt. In the meantime, water will carry away dirt. That’s how pressure washers deliver a perfect cleaning experience.

How to save water while you power wash a house 

If you are concerned about water consumption, you should take a look at useful tips available for you to follow with saving water.

There are a few valuable tips, which can deliver all the support you need with saving water. Here are some of the most important tips out of them to consider. 

Have better control over the pressure washer 

If you can have better control over the pressure washer, you will be able to receive much-needed assistance with taking control over the consumption of water. 

It takes some practice for you to learn how to take better control over the pressure washer. Spending your time and effort to get this practice is totally worth it.

Basic Pressure Washing tips for beginners

That’s because it can deliver numerous amazing benefits on your way. These are some additional benefits that you can experience apart from saving water.

When you are using the pressure washer with better control, you will figure out that you don’t need to use a lot of detergents to get the cleaning job done.

The pressure of water can support you with most of the cleaning work that you have. On the other hand, it is an efficient method that can benefit you during the wetting, rinsing and foaming processes.

Use the correct type of nozzles

You have the freedom to attach many different types of nozzles to the pressure washer. This is where you should learn how to use the correct type of nozzle along with your pressure washer at all times.

If your nozzle is giving out a wide jet, you will not be able to cut through grime. Hence, you will just be wasting your water.

That’s why you should pick the correct type of nozzle according to the grime that you have to remove. This will reduce the overall time that you have to spend along with the pressure washer.

In addition to that, you will be able to cut down water consumption.

Here are some of the most common types of pressure washer nozzles:

  • 0-degree (red)
  • 15-degree (yellow)
  • 25-degree (green)
  • 40-degree (white)
  • Soap (black)

The red, or 0-degree nozzle is ideal for homes with a lot of mildew and other types of grime build up. But it should be avoided for softer surfaces like a deck.

The different pressure washing nozzle degrees

Have shorter working times 

Shorter working times with the pressure washer will be able to help you with saving more water. In addition to that, this will help you to reduce the overall strain that you put on the pump motor as well.

It is better if you can check and see whether the surface can be treated with a special cleaner before the application of the pressure washer.

Then you will be able to loosen the grime and receive better returns out of the pressure washer. Likewise, you need to take a look at all the possible options available to speed up the process and get a better experience.

You will be impressed with the amount of water that you can save with a bit of prep work and a few minor adjustments.

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Final words

You will be able to reduce the water consumption of your pressure washer as you gradually get used to it.

It can be like getting a new BBQ, it takes a bit of time to get familiar with how the grill works and what spots are best for the type of meat you’re grilling.

Then you will be able to understand that there is no need to have a constant flow of water at all times to end up with getting the best cleaning experience.

In the meantime, you can also learn about some useful tips and tricks, which can assist you in enhancing the power cleaning experience that you can receive. Youtube is a great resource for pressure washing tips.

Based on that, you can easily end up getting amazing returns out of the pressure washer.