kitchen chimney height calculation

Kitchen Chimney Installation Height Calculation & Guide

If you are planning to install a chimney for your kitchen, you need to plan and settle several most important matters. The effective distance between chimney & stove, suction capacity, and dimension (60cm, 90cm) are such factors you need to consider. Kitchen Chimney height calculation is easier than you have ever thought. We recommend the installation of the chimney by a specialized technician to avoid unwanted and unsafe practices. However, this installation guide can help you plan proper Kitchen Chimney installation height in the right way.

1. Kitchen Chimney Installation Height Calculation

kitchen chimney height calculation

The height between the chimney hood and stove is very important in terms of the efficiency of the chimney. If you install the hood too close to the stove it may catch fire and highly unsafe. But if you install it too high from the stove, it will suck the dirty air along with the surrounding fresh air. Hence, the kitchen chimney installation height should be balanced and not too close or far from the chimney.

So, what should you do?

It is simple. The Kitchen Chimney height calculation comes handy in this situation. You need to place the hood at an optimum distance from the stove that is safe and can vent out the dirty air efficiently. As guided by most of the chimney professionals, you need to install the chimney at a distance of 24 inches to 30 inches from the stove. Once you have bought a chimney, look for the recommended distance between the chimney and the stove mentioned in the user manual.

2. Selection of Suction Capacity

You need to install the chimney in such a way that it can effectively suck out the gases and fumes as well as maintain proper safety during cooking. Before placing at a height, firstly, you have to select the right suction capacity.

The typical dimension of a standard kitchen is 13 ft x 13 ft x 8 ft with lots of open space. For a 240-300 sq. ft. kitchen with 8 ft height you have a bigger volume of air.

kitchen chimney height calculation

In other words, the volume of air in the kitchen= 13ft x 13 ft x 8 ft= 1352 cubic foot or 38 cubic meters.

So, you need to suck out the 38 cubic meters of air from the kitchen a number of times when you are cooking. It is recommended to remove the dirty air at least 10 times an hour for standard cooking. However if more fume is generated during cooking some special dishes, you may need to vent out the air more than 20 times an hour.

So the formula for selecting the suction capacity of a chimney is as follows.

Suction Capacity= Volume of Kitchen x Number of times to remove air x factor of safety

where the factor of safety denotes an integer that is more than equal to 1. You may require to increase the factor for better results.

According to the formula, with the factor of safety=1, you need the suction capacity to be at least 380 cubic meters/ hr. But according to the cooking recipe, you may need higher suction power sometimes with the factor of safety more than 1.

You need to keep in mind that the rated capacity written in the product description is the maximum suction capacity. No electronic devices can work with 100% efficiency. So, it is better to select a higher suction capacity than the calculated figure. For a room dimension mentioned above, you may need a 1000 cubic meters/ hr chimney to cook very efficiently without any problem.

Also Read: Kitchen Chimney Expert Buying Guide & Honest Review

3. Length of Duct and number of Bends

A duct is an integral part of a ducted chimney. The blower motor inside chimney sucks the dirty air to remove it outside through this duct. The length of the duct depends upon the placement of the stove and exhaust location on the wall. More complicated is the duct path, more the bends you may require. More bends may affect the suction force by the chimney as there are more restrictions on the flow of air.

So, it is recommended to select shorter duct length with fewer bends for efficient working for the chimney.

4. Provision for Operation & Maintenance

Whenever you buy any appliances that should stay fixed at a particular location like a chimney, a provision for maintenance must be given. You need to clean the chimney routinely. For that reason, the chimney should be placed at a convenient height so that you can handle it easily. Ease of maintenance is very important to keep the appliance in optimum condition.

To operate the chimney, the hood of the chimney should be around the eye-level. The objective here is to avoid strain on the eye as well as operational safety.

5. Electricity Requirements

Before you install the chimney, you must ensure that the voltage requirements of the chimney match your supply electricity. Generally, it should not create any problems as all household electricity supplies are of 220 V, 60 Hz. But you should check the user manual once. The plug point for the chimney should be very close to it. With this, the cable would not be under tension and you can easily use it. It is very important from the safety point of view as well as user-friendliness.

Tips for Installation & Use of a Chimney

  • Before starting cooking, remove the plastic covers and films on the body of the chimney and baffle filters.
  • While frying do not leave the pan unattended as the oil may flare up and cause a fire.
  • Clean the oil residue routinely on the body and the surface of the chimney to avoid catching fire.
  • Wash the filters at least once in 2 weeks to ensure optimum performance.
  • Always switch off and disconnect the plug before doing any maintenance of the chimney.
  • Read user manuals for any troubleshooting or maintenance but for any repair work, leave it to the professionals.
  • For easy cleaning, dip the filters in a warm solution of detergent for 10-15 minutes and then wash in running water. Next, dry up the filters and reinstall them in the chimney.

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Kitchen Chimney Height Calculation & Pre-installation Guide
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Kitchen Chimney Height Calculation & Pre-installation Guide
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Kitchen Chimney height calculation & installation is easier than you have ever thought. The essential steps to ensure proper installation.
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