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How to Determine the Ideal Size and Air Flow for Your Range Hood

Choosing the perfect range hood for your kitchen is not complicated, but there are some details to pay attention to so it works efficiently.

Once you decide the exhaust type and the mount type, you’ll still find models with different dimensions and air flow rates.

So let’s see how to determine these aspects according to your kitchen and range size.

Range hood size

Your cooking hood must be at least as wide as the range. This is necessary so that the hot air does not escape to the sides.

The width to be considered is the actual grill where the air comes in. The border around it, where the lamps are embedded, shouldn’t count.

So always check the dimensions of your range before buying a range hood. If you have not yet chosen the range, see the complete guide on ranges, which will help you choose the ideal one for you.

Also match the finishes! Pick a hood with the same material and color as the range and other appliances (unless it will be inserted).

Range hoods are typically 60cm / 24″ to 90cm / 36″ wide, for 4 to 6 burner stoves. But there are narrower and wider models, to be used with 2-burner to industrial stoves.

Range hood air flow

The ideal air flow is one another crucial detail for the smooth functioning of a cooking hood.

For the hood to be efficient, it is necessary to change the kitchen air at least 12 times per hour. To know if the chosen model will have enough capacity, it is necessary to make a flow calculation.

If your country uses the International System of units, the air flow will probably be informed in cubic meters per hour. Just calculate the volume in cubic meters of your kitchen (width x length x height) and multiply by 12.

If it uses the Imperial System, the air flow will be informed in cubic feet per minute. See here how to calculate.

The result is the minimum air flow that your range hood must have. Check this information in the product specifications before purchasing.

If your kitchen is open to the living room, consider the total dimensions of the environment.

Once you have determined the ideal exhaust type, mount type, size and air flow, you are ready to choose the model of range hood you like best with no worries.

Make sure to read carefully the product manual before the installation. The hood height is very important for its efficiency, as well as the recommended maintenance.