About Hot Water Pressure Washers
A hot-water washer pairs a high-pressure pump with a diesel-fired coil that heats water to 80–155°C. The combination of pressure plus heat dissolves oily films that cold water simply pushes around.
Kärcher HDS, Nilfisk MH, Lavor Thermic and Karcher HDS Trailer ranges dominate UK trade sales. Expect £2,500–£15,000+. Most need 3-phase power; some are diesel-engine driven for full mobility.
Best for food-industry cleaning, vehicle workshops, abattoirs, oil/gas yards and any application where grease is the enemy.