High-pressure washers : A complete guide to making the best choice

In commercial and industrial cleaning, efficiency and speed are not luxuries, but necessities. When it comes to quickly removing stubborn dirt, grease or residues from equipment, vehicles or surfaces, traditional methods are no longer sufficient. That's where the high-pressure cleaner comes in - a powerful, versatile tool that has become essential in many industries.

Whether you're a contractor, fleet manager or maintenance manager, investing in such equipment is much more than an expense: it's a strategy for saving time, preserving your equipment and ensuring a safer, cleaner working environment.

Table of contents

1. Cold water high-pressure washer MPJ4035BG
2. Hot water high-pressure washer H4035DGF
3. Cold water versus hot water: how to choose?
4. Choosing a high-pressure washer: a question of needs
5. FAQ: Frequently asked questions about high-pressure washers

Why invest in a high-pressure washer? 

In this article, you'll discover two gasoline-powered models from Dynablast, renowned for their reliability and performance, and assembled in Canada. This equipment is available right here at Multi PSI Inc. in Boucherville. We are a specialized distributor of industrial cleaning solutions for the province of Quebec. 

A high-pressure washer, also known as a high pressure cleaner or pressure washer, is a machine that uses a motor (gasoline, diesel or electric) to pressurize water through a pump, and then propel it through a lance or gun, with the aim of removing dirt, grease, mud, paint or other contaminants from various surfaces. This motorized equipment is designed to project water at very high pressure to thoroughly clean surfaces such as cars or fleets of vehicles, buildings, industrial or agricultural equipment, or concrete driveways.

Par exemple, l’équipement MPJ4035BG, un modèle à l’eau froide avec moteur à essence Honda, robuste et efficace, et de la machine H4035DGF, un puissant modèle à l’eau chaude avec moteur à essence également qui est conçu pour les travaux plus coriaces. Vous pourrez, à la suite de cette lecture, comparer leurs caractéristiques, leurs avantages et leurs utilisations-types pour faire un choix plus éclairé selon vos besoins réels.

Cold water high-pressure washer MPJ4035BG 

A cold water pressure washer is a piece of equipment used for intensive cleaning of surfaces using a high-pressure jet of water, without heating the water. It is commonly used in the commercial and industrial sectors to remove dirt, dust, mud or light grease from surfaces such as vehicles, sidewalks, walls, equipment and so on.

Technical specifications of the cold water high-pressure washer

The MPJ4035BG pressure washer is powered by a Honda GX gasoline engine, renowned for its reliability and long service life.

• Pressure : 3500psi
• Flow rate : 4.0gpm
• Engine : Honda gas
• Pump : General brand with robust components, perfect for frequent use.
• Drive : Belt

• Frame : Heavy duty steel construction, compact frame and 13-inch wheels
  

Advantages of cold-water high-pressure washers

• Versatile : Ideal for construction sites, farms, mechanical garages and vehicle fleets.
• Effective : Removes dirt, dust, mud and some greasy residues (with a detergent like MPSI-5011).
• Less expensive than a hot-water model.
• Less maintenance : No heating system to maintain.
  

This model is perfect for those looking for an efficient, affordable and mobile solution for working outdoors.

Need to work in a confined space or inside a building? 

Discover the electric version; the MPJ3025BE on 240volts. With the same power and versatility, you can work indoors in complete safety.

Hot water high-pressure washer H4035DGF

A hot water pressure washer, also known as a hot water pressure washer, is a machine designed to thoroughly clean surfaces, equipment or vehicles using a powerful jet of water heated to a high temperature. These machines are often used in the industrial, agricultural, commercial and municipal sectors, where dirt is stubborn: grease, oil, calcium, mud, salt, etc. Hot water greatly improves cleaning efficiency, especially when degreasing or disinfecting. 

Hot water high-pressure washer technical specifications

The H4035DGF is a real cleaning monster for heavy-duty work.

• Pressure : 3500psi
• Flow rate : 4.0gpm
• Engine : Honda gas
• Diesel burner : To heat water quickly.
• Pump : General brand with robust components, perfect for frequent use.
• Drive : Direct
• Frame : Heavy duty steel construction, compact frame and 13-inch wheels

Advantages of hot water high-pressure washer

• Deep cleaning : Ideal for removing stubborn grease, oils and other contaminants
• Environmentally friendly : You'll need less detergent
• Versatile : Perfect for mechanical workshops, transport companies, the food industry among others.
  

It's the equipment of choice for melting grease or scouring heavily soiled surfaces.

Need to work in a confined space or inside a building? 

Discover the electric version; the H4030DEF1 on 240volts with diesel burner (chimney required for indoors). With the same power and versatility, you can work indoors in complete safety.

Cold versus hot water high-pressure washers: How to choose?  

To help you choose the right pressure washer for your needs, here's a comparison table between several cold and hot water models, with gasoline or electric motors. This summary highlights the important technical features and strengths of each unit.

Comparison table: High-pressure washer

Gasoline high-pressure washer

Electric high-pressure washer 

A cold-water washer is less expensive and sufficient for non-greasy stains. A hot-water cleaner is more expensive to buy, but cleans faster and dissolves grease and oils better.

A high-pressure washer with a gasoline engine offers greater autonomy and excellent performance. But these must be used outdoors, or the use of a chimney is required. Whereas an electric motor is quieter, makes no CO₂ emissions and maintenance is much simpler.

What's more, when using a pressure washer, wearing safety goggles and gloves is strongly advised for your safety. 

Conclusion: The right pressure washer for the right job

Whether you're a contractor or a fleet manager, a good pressure washer can help you save time, money and extend the life of your equipment. The cold-water MPJ4035BG is perfect for general cleaning tasks, while the hot-water H4035DGF is perfect for heavy, greasy jobs.

At Multi PSI, we offer you these options along with advice, maintenance and support. Contact us to find the model that best suits your needs!

FAQ - Everything you need to know about high-pressure washers

What's the best high-pressure washer for washing heavy vehicles?

To remove grease or calcium, the hot-water H4035DGF is ideal. For regular washing of mud or dust, the MPJ4035BG does the job nicely.

Can a cold-water high-pressure washer remove grease? 

Yes, but you need a good detergent and it takes longer. Hot water is more effective for this kind of work.

How much does a professional pressure washer cost?

A cold water model like the MPJ4035BG is around $3500, while a hot water model like the H4035DGF can go for $8500 and more.

Can we use this equipment in winter? 

Yes, but they must be drained after use to prevent water freezing in the pump or hoses. Antifreeze solutions are also available.

Author : Multi PSI has been an expert in high pressure washing equipment for over 25 years. As an equipment distributor, we also offer mobile and workshop repair services. We are recognized for our expertise in custom projects, including wash platforms and trailers, as well as the installation of hose reel, boom or rail wash systems.

Updated May 8, 2025