For example, the engine components will be very durable and sturdy. The windshields as well as the glass parts are hard but they are also brittle. The metal body of the vehicle is also hard and sturdy but if you use too much pressure, the paint can be damaged. This is why you have to get a special type of pressure washer when you plan on using it for auto detailing. Another factor that you have to consider is if you need a cold water or hot water unit. This will also depend on your budget as well as your intention for using the machine. For normal household cleaning tasks, such as cleaning your car, the cold water model should be ideal for you. As mentioned before, they are inexpensive so if you are on a budget, this is the right pressure washer for you. Improper handling of power washers can result to injury, which is why you have to know how to safely operate this piece of machinery. You need to remember that pressure washers are not your daily garden hose. In fact, people describe power washers are garden hoses on steroids and they should be treated as equipment in line with brush cutters, chainsaws, and other commercial or industrial power equipments. Before, you will need to scoop the squishy and smelly goop by hand. But, with pressure washers, you just need to blast them out. You can also use it to clean the siding. No matter the siding is, you can make it look brand new again by cleaning it with the pressure washer. Just remember that you shouldn t linger or get too close to the siding as the pressure coming out of the pressure washer can easily ruin the surface of the siding. After that, you simply have to rinse off the grease and grime with the pressure washer. The downside is that chemical degreasers can emit toxic and harmful fumes. Although this method can help you to easily remove grease and grime on any surface, it s not really recommended because of the harmful chemicals involved. Mobile pressure washers are best suited for outdoor cleaning jobs as it can allow you to transfer from one area to another easily. Some machines have wheels attached on them while others are truck or trailer mounted machines. You also need to consider the output temperature of the pressure washer. Basically, there are three types of pressure washers according to the output temperature.