I built a large enclosed trailer with all the goodies last summer. Includes 2 new Hydro-Tek hot water machines, on board generator, rhino-lined floor, insulated floor, walls and ceiling, 110v & 12v interior lighting, hand tools, air compressor, extra water, chemical and pressure hoses. Burners are vented through the roof and engines exhaust out through the floor. All complete unit - ready to work. Works awesome for our projects, however, very expensive to set up.