For the most part, extraction canopies are washed once a week, generally between cleanings, and in the case of a heavy spill should be cleaned more frequently. How often you should clean your canopy depends on a number of factors including the type of debris that have fallen to the ground, the size of the spill and the length of time since the spill occurred. If you are cleaning a large spill that is impacting a lot of area, you may need to clean it more often. Likewise if you have had cleanings and then a heavy downpour occurs, the cleanup may need to occur more often to ensure the safety of those around you. There are a number of other considerations to keep in mind as you decide how often you should clean your canopy. In addition to the amount of dirt accumulation and the type of debris falling to the ground, you need to consider how much dirt is actually on the ground when your canopy is cleaned. Cleaning kitchen canopy more often means that a portion of the dirt from the gro...