Chimney Height From Countertop
For regular gas stoves the standard distance should come between 24 and 30 inches 60 to 77 cm.
Chimney height from countertop. The distance between the cowl of the flue and the adjacent roofwallstructure should be higher than 23 mtr. Watch this video to learn more about chimney in. The thumb rule is to choose kitchen chimney size slightly greater than the stove or hob size so that kitchen chimney should cover entire stove or hob so that kitchen chimney absorb smoke effectively.
As guided by most chimney professionals you must install the chimney at an ideal height of 24 inches to 30 inches from the stove. If it is 1000 cfm then it can be higher than 30. If the hood is any closer it may become damaged.
The standard height of the kitchen countertop for Indian kitchens is around 34 inches. For instance If you have 3 rooms so 500 m3hr to 650 m3hr suction power is sufficient. The height of the chimney above the roof surface measured at the up-slope side of the chimney from the roof surface to the chimney top should be at least three feet - the green line in our photo.
This means that below 38 degree roof pitches that the height of the flue outlet should be at least 1800mm above the roof when not close to the ridge and above 38 degree roof pitches the flue outlet height should be 2300mm horizontally back to the roof flue height figures are given in the table above where the flue is not close to the ridge. Any further than 36 inches and your hood wont move air away from your cooktop efficiently. Again you have to keep remember your kitchens room.
28 inches is the minimum height. Height of kitchen countertop The height of the gas stove should be such that a person does not exert any strain on their back while standing and working. It is very important part of the chimney.
Less than 28 from the cooktop will be too hot and more than 36 from the cooktop will start to decrease the efficiency of your range hood in capturing steam grease odors and even toxic chemicals released from cooking. Although many kinds of industrial facilities have tall chimneys most of the chimneys with heights of 200 metres and more are part of thermal especially coal-fired power stations. Generally experts ask to maintain the installation height between 20 and 24 inches 50 to 60 cm from the cooktop.
The standard height for a range hood is between 28 and 36 inches from the cooktop for a gas range and electric range. If you are farther than 10 away from the peak your chimney needs to be 2 above the highest point within 10. This is a bit of an odd measurement and chimney clearance case because the chimney side is actually about 8 away from the roof edge.
A nything lower than this height can block the use or view of pans and vessels while cooking. However these distances are average calculations. Is your chimney farther horizontal than 10 away from the peak.
Most people dont mount them more than 36 above the cooktop unless it is a really high powered unit. If you are trying to mount a 270 cfm fan more than 30 above cooktop then it may make noise but will do little to clear the air. Normally for 2 to 4 burners stove or hob 60cm kitchen chimney size is enough and for 3 to 5 burners kitchen chimney choose 90cm size one.
Clarification neededOnly a few smelters steel mills chemical factories and oil refineries use such tall chimneys. Once you have bought a chimney look for the recommended kitchen chimney height from the stove mentioned in the user manual. Chimney Heights The minimum chimney height recommended for minimum performance of wood burning and multi fuel appliances is 45 m from the top of the appliance to the top of the chimney.
Chimneys that are excessively tall can have some issues as well though. The average height is normally 32 above the cooking surface. So the answer is it depends.
As imagined if a chimney is too short it will suffer from poor drafting problems this is a result of not enough internal pressure being built up to expel it to the outside. This is the standard distance between the hood and the electric stoves. By rule of thumb there should be a gap of 4 inches between the top of the countertop and the elbow when you are standing.
If the chimney is fixed too high then the air suction of the chimney will not be able to remove the cooking fumes efficiently from the source.
