Duct Vs. Ductless Kitchen Chimney- Differences, Advantages, Disadvantages and More

A chimney is a necessary appliance to be installed in the kitchen, it helps keep the air in the kitchen fresh and makes working in the kitchen comfortable, but while deciding on a kitchen chimney to be installed in your kitchen, you will come across two types – Duct chimneys and ductless chimneys.

What are they? What are the differences between the two? And which one is the best for my family?-  If these are the questions running through your mind right now, then worry not; we have answers for you in this article to help you make an informed decision! So let’s dive right into it!


What is a Duct Chimney? Advantages and disadvantages 

What is a Duct Chimney Advantages and disadvantages 

A ducted chimney is a kitchen chimney that uses a large pipe or duct to expel the smoke, odor, and heat which gets accumulated in the kitchen outside the kitchen. They are suitable for homes as well as commercial setups, making them highly versatile and efficient.

They are the most popular types of chimneys used in Indian households considering the amount of cooking that takes place and the dishes that are prepared.


How does a Duct Kitchen Chimney Work? 

A duct chimney consists of a powerful large pipe or duct. When you cook something in the kitchen, and it produces smoke, the chimney pipe will suck out the smoke and release it outside the house; they even have filters installed in them which capture solid materials floating in the air and throw them out.

Ductless chimneys will make sure to suck out all the air and throw it out and not allow it to come back in hence successfully removing all the exhaust, smoke, and odor from your kitchen, leaving the kitchen feeling fresh and comfortable.


Advantages of Duct Chimney 

  • They have a very high suction power and hoods that are meant to be the best in class. It will ensure that all the moisture, smoke, heat, and odor from your kitchen is absorbed and removed from the kitchen completely, leaving you with an odor-free, at room temperature, and with clean air kitchen.
  • The duct chimney is a quiet but efficient worker; he is no noise, and all work, this chimney with its fans joined to the system will not produce noise and hence will not cause you any nuisance.
  • Duct chimneys use pipes to throw out all the waste air hence they are low on maintenance, and you can use them without worrying about increasing your costs as they are energy efficient.


Disadvantages of Duct Chimney

  • The main issue people with duct chimneys will face is its placement, as the duct chimney will require a duct to be available in the kitchen for it to function; installing it might prove to be a hassle.
  • To perform efficiently, a duct chimney will require a large chimney hood; this will mean added strain on your wallet
  • The installation costs of the duct chimney can be high and might prove to be an expensive exercise.


What is a Ductless Chimney? Advantages and Disadvantages 

What is a Ductless Chimney Advantages and disadvantages 

A ductless chimney is a type of kitchen chimney that is made up of an exhaust fan that is used to filter out the air in your kitchen. A ductless chimney is a small and compact appliance that will not require any ducts to function. It also has an aesthetic appeal and will suit people who care about the looks of their kitchen and will want something to go with its interiors.


How does a Ductless Kitchen Chimney Work? 

A ductless chimney’s functions are opposite to how a duct chimney works. While cooking in the kitchen when the exhaust is produced, turning on the chimney will cause the exhaust fan to absorb the exhaust and filter it to produce clean air which is then recirculated back into the kitchen.

The main difference between the working of a dut kitchen chimney and a ductless kitchen chimney is that the latter will completely remove the exhaust out of your kitchen and send it outside, while the ductless one will simply filter it out and recirculate the filtered air.


Advantages of Ductless Chimney 

  • A ductless chimney is highly portable. As it does not require the presence of ducts to function, you can install it anywhere you like this also makes its installation very easy and fuss-free.
  • A ductless kitchen chimney will be less heavy on your pocket as compared to its counterpart it can cost you anywhere between 8,000 to 15,000.
  • As it does not release exhaust out into the environment, it is very eco-friendly.
  • They have a compact design and have aesthetic appeal, go on, add it to your kitchen designs, and it will look great.
  • It assures that there is no heat loss during the cold winter months.
  • It can efficiently remove all odor from your kitchen so no need to worry about your kitchen smelling like your lunch.


Disadvantages of Ductless Chimney

  • As ductless chimneys require an exhaust fan to function, they can be very noisy, you can expect a whirring sound every time you switch it on.
  • It will require frequent filter changes and cleaning to keep its efficiency this will end up incurring a lot of charges on maintenance.
  • It cannot remove the heat and moisture produced during cooking from the air; hence it will not be able to bring down the temperature of the kitchen, which can make it uncomfortable to work in.
  • It world on the principle of filtration of air hence the same air is circulated again and again, this could affect your health adversely.


Duct Kitchen Chimney VS Ductless Kitchen Chimney 

Duct Kitchen chimney VS Ductless Kitchen Chimney 

Many factors go into deciding which chimney will suit your kitchen the best – you have to check into the area of your kitchen, the presence of ducts, the aesthetics, etc . we have made it simpler for you – check out the table below for a simple comparison between the two types of kitchen chimneys and make an informed decision-

Duct Kitchen Chimney  Ductless Kitchen Chimney 
How does it work? Eliminates the exhaust completely and releases it outside the kitchen. Filters out the exhaust and recirculates it back into the kitchen.
Does it emit noise? No Yes
How much space will it consume? Large amount of space Minimum space
Does it require the presence of a duct to function? yes no
Is it expensive? yes no
Can it remove moisture? yes no
Can it remove heat? yes no
Can it remove odour? yes yes
Can it prevent condensation buildup? yes no
Is the installation process complicated? yes no
Maintenance required? Low on maintenance High on maintenance
Which one is the most efficient? Most efficient Less efficient
Suction power? High suction power Relatively low suction power
What type of filter is used? Mesh filters Charcoal filters


On the basis of the above table, it can be said that while considering working efficiency and the features provided, the duct chimney is the clear winner out of the two still, when you look at the space requirements and installation process, the ductless chimney presents a more favorable picture.

If you are someone who has ample kitchen space with ducts and the budget to spare – you should opt for a ducted kitchen chimney as it will give you the best performance with valuable features.

If you are someone with a small kitchen, looking for something compact, are on a tight budget, or you are someone who has to constantly relocate-  you can consider the ductless kitchen chimney as it is easy to set up, will not require much space, is affordable and can be easily relocated.



1. At what height must a kitchen chimney be installed?

You will decide the height of your chimney based on the type of stove you have- for a gas stove, it will have to be 25- 30 inches (60-80 cm), and for an electric stove, it should be around 18- 24 inches ( 45- 60 cm).


2. What should be the size of my kitchen chimney?

While buying a kitchen chimney, always remember that the size of the chimney should be slightly larger than the size of your stove. For a stove with two burners, a chimney  60 cm wide should be used and for a stove with three burners or above, a chimney of width 90 cm should be installed.


Also Read:

How to Select Kitchen Chimney?

How to Clean Kitchen Chimney?



While deciding on choosing between a ducted kitchen chimney and a ductless kitchen chimney, you are now armed with the information about the two, their individual advantages and disadvantages, and the key differences between the two types. This will help you make an informed decision in choosing the best chimney for your kitchen.

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