The exhaust vent of the kitchen hood does not feel the sense of exhaust

It's a soundproofing problem or suction air intake, just close the window.

Your kitchen door is closed, right? That's because as soon as the smoke machine is turned on, a certain negative pressure is formed in the kitchen, and the kitchen door will ring if it is not firm.

Cleaning the large kitchen hood of the hotel does not rely on cleaning agents, but with shovels and brushes. Finally, use a cleaning agent.

Waste oil is the "best oil remover".

The waste oil in the oil storage box of the range hood, filtered out of the top layer, is the "best remover" for cleaning the stains of the ventilation fan, stove and range hood. The specific method is to use a rag or broken towel dipped in waste oil and apply it to the oily place, soak it for about half a minute and wipe it off with a cloth, and then wipe it with a clean scouring pad. >>>More

It is recommended to use dish soap to heat the water to clean, not to use strong corrosive things to clean it.