Do you want to rent a hot water unit? Rent your hot water units for industrial cleaning at AQ-Rent! A hot water unit, also known as a hot water high pressure cleaner, is a compact installation for heating up water to 95°C. A hot water unit can be expanded with a high pressure pump. This combination makes a hot water unit suitable for industrial cleaning work. Think of our high pressure hot water trailer, for example. View all hot water units for rental here.