How a Kitchen Chimney Works

Kitchen chimneys are an integral component to keeping your kitchen tidy and odor-free. By sucking away smoke, steam, and cooking odors from inside the house through ducting systems outside, these devices help ensure a more hygienic cooking environment.

Understanding how a chimney works will enable you to select and maintain an appropriate chimney for your home. A basic chimney structure includes a capture panel, oil collectors/grease filters and blower/motor.


Chimneys remove smoke, odor and oil molecules from the air in your kitchen to maintain optimal air quality and health. They operate under the principle that hot air rises, trapping hot fumes from cooking within their hood and chimney duct. Most chimneys come equipped with primary filters made of different materials while those opting for ductless chimneys have additional carbon filters which absorb any extra oil or odor molecules present.

These filters require regular maintenance. A mesh chimney’s filters, typically composed of aluminum mesh that traps grease and oil particles, is easy to keep clean by washing in a dishwasher. Baffle filters feature multiple curved panels which force smoke airflow in multiple directions at different times; this forces oily particles to stick more readily than mesh chimney filters while still needing less maintenance; in addition, baffle filters tend to be cheaper and lighter alternatives than their counterparts.


Motor and fan components are essential in providing clean air for ventilation in any kitchen, filtering the polluted air that enters and venting it out again as clean. Their power can vary according to kitchen size and type, while cleaning is crucial to optimal performance.

Kitchen chimneys typically feature either mesh or baffle filters in their ventilation systems, the former featuring layers of aluminum mesh that overlap and slightly offset with small pores to trap oil particles, requiring regular cleaning with hot water and detergent for proper functioning. Baffle filters use curved panels that change the direction of smoke flow for less maintenance but must still be regularly maintained for effective operation.

Kitchen chimneys serve a critical function by clearing away smoke, oil and grease residue and offensive odors from the area around a cook’s station. Furthermore, they prevent the buildup of greasy deposits on kitchen surfaces as well as reduce respiratory ailments – benefits which make chimneys an indispensable kitchen appliance.


A duct is an exhaust pipe that transports smoke, steam and cooking odors from a chimney hood to the outside of your house for removal by air conditioning systems or ventilation fans. Achieving efficiency while simultaneously keeping your kitchen odor-free.

The duct also incorporates baffle filters or mesh filters, which trap air particles and grease molecules. Cleaning these filters is simple by submerging them in hot water containing dishwashing liquid or caustic soda for 30-60 minutes to ensure optimal performance.

Chimney hoods with ducts are known as ducted chimneys and are ideal if you have multiple appliances that require venting at once, like stoves or ovens. Although more costly, ducted chimneys offer high-performance ventilation with their control panels allowing users to toggle powering it on/off, adjust speed settings, as well as manage lighting functions and other functions.


Kitchen chimneys are essential appliances that capture smoke and unpleasant odors while cooking and expel them through an exhaust system. You can choose between numerous models that include features like auto clean, odor sensors and more to suit your cooking needs.

The motor of a chimney creates suction that draws in smoke, steam and cooking odors into its hood, so it is vitally important that its motor and filters are regularly checked to make sure they are functioning optimally.

If you want an efficient motor in a chimney, models with an auto-clean function that cleans away oil and residue from its motor and blower with one press of a button could be ideal. Not only does this feature reduce maintenance time and effort considerably but it can help save energy as the chimney doesn’t need to run continuously.

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