The ideal and safe height between your flue and your cooktop will insure safety and better performance. Anything lower than the optimal height might lead to fire accidents. When the height is way further than the ideal measures, it’ll drop the exhaust power to a great extent.
To know further about the optimal height of the flue preferred for your kitchen and other factors that should be considered before installing one, have a look at the composition.
Installation of the Flue – Height Computation
Factors like your cookstove type greatly incite the height of the flue. If you have an electric cookstove also the optimal height of your flue must be 60-80 cm (25-30 elevation).
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For gas ranges, the ideal height of the flue must be around 45-60 cm (18-24 elevation). To know the accurate dimension of the height, do relate to the primer of your flue. The height between your cooktop and flue plays a major part in terms of yield and safety.
You must maintain a safe distance from your cookstove to your flue. If the distance is too lower also the hood of your flue might catch fire. Whereas, if the distance between both is too high, it might damage the exhausting power of the system.
The primer of your flue will contain details about the distance that should be maintained between the cookstove and the flue. Numerous experts suggest maintaining a distance of about 25-30 elevation is safe.
Other Factors to Consider
1-The dimension of the flue
The range of the flue should also be considered before you install one. The range of the hood substantially depends on yourcooktop.However, also the range of the flue mustn’t be lower than 60cms, If your cookstove has 2-4 burners. When the range is lower than that, there will be deficient suction of smokes and smothers.
Indian cuisine involves a lot of canvas and spices. The range of the flue for the Indian style of cuisine is slightly bigger than other styles. Ranges that have further than 4 burners should have a flue installed of range equal to or further than 90cms.
2- Type of Cooktop
Numerous homes prefer using induction (electric) ranges over the conventional gas types. The distance between the flue and the cookstove is also determined by the type of cooktop you have.
The induction cookstove doesn’t involve direct times while cuisine, so it’s safer indeed when the flue is lower than 24 elevation. The threat of accidents is minimized to great extent in the case of induction ranges.
If you have a gas cookstove also the distance between the flue and the cookstove mustn’t be lower than 24 elevation. Before copping or installing a flue, make sure that the flue suits for your roaster/ cooktop type.
3-Suction Capacity
The suction capacity of a flue refers to the power of the motor to stink the smothers in one hour. It’s generally measured in the unit of boxy measures per hour.
Computation of the needed suction capacity can be done by anyone. It depends on the design and confines of your kitchen.
The suction capacity is equally related to the distance between the flue and the cookstove.
When the suction power is low for a flue, it shouldn’t be installed at lesser heights. This will lead to the poor performance of themotor.However, you should look for chimneys that have advanced exhaust rates, If you want to increase the distance between the flue and roaster.
4- Space of Your Kitchen
The quantum of space you have for your flue determines the type of exhaust system you buy. The range varies from brand to brand. It’s preferable if the cookstove is near the external wall so that the smokes and smothers can be excluded fluently. Ranges further from the outside will bear chimneys with long tubes. Long tubes affect in reduced stinking power and slow performance. When the design of your kitchen is complicated and the cookstove is deposited in the sidewalls, the tubes will bear a lot of bends and turns that will reduce the effectiveness to a great extent.
It’s delicate to match all the conditions for advanced suction power, but you can acclimate and install a flue according to your requirements.
5-Duct or ductless chimneys
Utmost chimneys come with a conduit that acts as a medium for the smothers and the dust to be disposed to the outside. Avoid going for chimneys with longer tubes. Longer tubes will lead to further turns and bends that will hamper the suction capacity.
Still, to avoid this problem numerous people install from the lower side. That’s largely dangerous. The hold of the flue might catch fire when there’s exposure to a huge quantum of smothers.
Still, look for a flue that has advanced suction power, If it becomes delicate to place your cookstove for chimneys with shorter tubes. That will minimize the chance of inefficiency. 
