Water Heater - Portable Oil Fired Hot Water Tanks by Alkota have many different uses and applications. The most common use is an add on that allows you to turn any cold water pressure washer into a hot water cleaning machine. Alkota oil fired hot box models range from 200,000 BTU to 1,000,000 BTU. The fuel source can be diesel or kerosene. We can build a heater to meet your needs, using your preferred fuel source. Portable hot water heaters from Alkota feature our industry leading hydro insulated coil. The hydro insulated coil provides user safety and well as money saving performance. Alkota hot water heaters protect you with a 7-year coil warranty. Water heaters have many different applications we would love to talk about new ideas and put an Alkota water heater to work for you. With the support of your local Alkota dealer we can find the correct solution for you.