Without this tool, it will require you to spend several hours just to scrub, wash and wipe the area. And, you also have to use harmful chemical degreasers that emit fumes that you can inhale. However, you have to remember that you shouldn t use cold water pressure washers to clean off oily or greasy deposits. And, it will also create an additional mess, which will make cleaning a lot harder than it should be. Of course, you will need a pressure washer. Select a model that received positive reviews from other customers. And, you may want to take a look at the PSI. This is basically the measurement of the force of water coming out the hose. And, cleaning a garage floor filled with grease and grime can be so difficult that cleaning it the old way will only let you spend a lot of time cleaning while accomplishing very little. If you need to use degreasing chemicals, it is advisable that you use green chemicals. Green chemicals can really help clean off greasy or oily deposits stuck in your garage floor. For starters, cold water pressure washers are not as expensive as its hot water counterpart. However, many people go for hot water pressure water as it is much more effective in cleaning greasy and grimy surfaces. You need to remember that using cold water pressure washers to get rid of grease on a particular surface will make the entire job a lot harder. Ill-maintained pressure washers will tend to reduce its effectiveness over time and it will also compromise safety of the user as well as the people around it. With proper care and maintenance, you will be able to keep your pressure washer in good working condition and also make it last for many years and allow you to keep on doing those cleaning jobs efficiently and effectively. These two things have in common, which is basically the accumulation of grease and grime on the floor that can really be very hard to remove or clean. Manually scrubbing off the grease and grime from your garage s concrete floor or your patio s wood deck is very hard work. It will also use up a lot of your time and by the end of the day, there is a very likely chance that you won t accomplish a lot.