Grease Exhaust Vent System Cleaning We don’t just say it’s clean, we prove it! Enviromatic Corporation provides the highest quality com- mercial kitchen exhaust system cleaning and related services, products and consulting. Enviromatic -- known to many simply as “Viro” -- also handles almost all aspects of grease exhaust systems: Grease Exhaust Inspection Guide - Complete Job Grease Duct Inspection (1.4mb PDF) Inspection Picture Guide Job Specifications Before, During, After Exclusive “Roto-Steammcleaning” Process: Solid Fuel System - Before and After Stir Fry System - Before and After Testimonial: “I can tell you that this is the best job that has ever been done on these hoods. I could not find anything anywhere. Fans, chute, outside or inside on either side. By far the best I’ve seen.” ~ Houston Area Restaurant