If you have the cash for it, you might want to get a hot water pressure washer that also has a high pressure steam option. The highly pressurized steam is very effective if you use it for specific types of heavy duty cleaning jobs. Super heated and pressurized steam coming out of the pressure washer are so efficient in cleaning that you won t even need to use chemical degreasers or other cleaning chemicals to do the job. Doing these things will help keep your pressure washer in good and working condition. It will also maintain your pressure washer s efficiency and it will also maintain its safe operation. By keeping your pressure washer maintained, you can be sure that you will be able to prolong its operating life and eventually save a lot of money on parts and repairs. However, if you plan on using a pressure washer for a much more difficult cleaning task, such as getting rid of grease from your garage s floor or using it extensively, then a hot water pressure washer is for you. You will find that there are so many advantages that hot water pressure washers have over its cold water counterpart. Get a pressure washer that has at least 3000 PSI of force and 3 GPM. This will let you clean more efficiently and quicker than any other unit that has less. Also, get a pressure washer that has an interchangeable nozzle, which will provide you with greater cleaning flexibility. You also have to wear protective clothing. For example, if you own a car repair shop, you will work with grease, oil and other materials that can be very hard to remove from the floor. Hot water pressure washers will soften the stain and wash it off easily whereas cold water pressure washers will only make the job of cleaning a lot more difficult as it will produce a hard and waxy substance that will be a nightmare to remove. If you want to clean your garage s concrete floor, the traditional way is to get down on your knees and give the floor a good scrubbing. You will also need to use soap or detergents as well as chemical degreasers in order for you to make the job a little bit easier. The problem with chemical degreasers is that they are very dangerous.