When our technicians come in to your establishment to clean your hood/exhaust system they know that perfection is what you are paying for. We use hot water pressure washers that heat the water up to 250 degrees and spray up to 4000 PSI. Our cleanings always start up top with your fans,and includes all ducting,screens,hoods,and back walls. After the clean we give the hoods and screens/filters a polish. we also do a thourough cleanup job when we are done.WE DO NOT LEAVE PUDDLES OR GREASY FLOORS! For references or to set up a clean call 763-267-9739