Services EnVirospection Nationwide KEC Inspection Program. A program that inspects KEC (Kitchen Exhaust Cleaning) pictures presenting proof it’s clean. Kitchen Exhaust Cleaning (KEC). Providing the highest quality cleaning and related services, products and consulting. Inspection Guide Job Specifications Before, During, and After Blower Balancing and Repair. Fan related equipment, maintenance, repairs and reporting. Enviroleaktest Duct Leak Testing. Testing all ductwork and grease vents for leaks using a proven water leak testing method. Photo Requirements. List of KEC exhaust vent cleaning picture requirements. Compare. Compare Enviromatic to others in the industry.