Tuesday, June 17, 2008

Sizing Kitchens Ventilation Fan Kitchen Exhaust Fans


Sizing Up
Kitchen Ventilation Fans
Kitchen Exhaust Fans


Kitchen Exhaust Hoods are attractive in modern kitchens. Kitchens with the most attractive looking hood for exhaust fans (ventilation fan) must still have a fan which is the right size and can move the right amount of air out of the kitchen.

Fans are sized by the amount of air they move in cubic feet per minute or CFM.

What are the guidelines when sizing your kitchen ventilation fan to suit your needs?
Multiply the recommended CFM by the linear feet of cooking surface.
Other factors: Length of ductwork, # of turns in the ductwork, and the location of the fan's motor also may contribute to the size of exhaust fan needed.

When Ranges and Cooktops are installed against a wall:
Kitchen's cook does light cooking - 40 CFM
Kitchen has moderate to lots of cooking - 100 to 150 CFM

When Ranges and Cooktops are installed in islands and peninsula cabinets:
Kitchen's cook does light cooking: 50 CFM
Kitchen has moderate to lots of cooking - 150 to 300 CFM

Another option is a hood-less downdraft ventilation system. This is often used with island cabinet cooktops. The hood-less ventilation system forces air above the burners through a filter, and then out of the house through ductwork (Metal Piping) Although the down draft system is not as functional as a hooded system is a step up from a ductless fan, which is usually not effective.

Ideally your kitchen's range hood should overlap the cooking surface by 3 inches on each side and sit 24 to 30 inches above the range.


Sizing Up
Kitchen Ventilation Fans
Kitchen Exhaust Fans


Portions of material was edited from:
Design ideas for Kitchens by Creative Homeowner 2005


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Sizing Up
Kitchen Ventilation Fans
Kitchen Exhaust Fans

3 comments:

Angelle said...

This is what i was looking for, so that i can get some tips like you have discussed to remodel kitchen.
The kitchen has always been an important place of activity at our houses. People have started giving importance to sophisticated kitchen appliances which have become the basic need of modern kitchens.

http://www.homecontractorsdirect.com/

Leo said...

Good article about Exhaust Fan Bath

Staci said...

It's a bit of a combination of math and measurements, when all's said and done. Get that done first before you start off with making your kitchen a fancy cooking space. You can see a lot of beautiful kitchen designs online, but the best thing about them is that they're backed with a solid system of ventilation ensuring comfort for the people in the kitchen.

- Staci Severns