my kitchen

10 years ago

I had white 13 inch depth cabinets installed. The wood hood depth is 24 inches this is way to far to stick out past my cabinets to me what is your opinion?

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PRO

Main Line Kitchen Design

10 years ago

last modified: 10 years ago

@choebud

Be careful. Hoods that are above 400 CFM's now require a replacement air system according to United States and International building code. Here's why:

Powerful hoods pump 600, 800, and sometimes 1200 cubic feet of air per minute (CFM's) outside your home. Nearly every 48" hood is this powerful. If all the doors and windows are closed in your home where can that huge volume of air come from? It draws from the only opening not closed and pulls the carbon monoxide and fumes back down the exhaust from your furnace and water heater. This fills the basement and then the first floor of your home with odorless lethal fumes. Since replacement air wasn't the law until a few years ago most homes that have large hoods are dangerous.

An easy solution to the problem is to just open a window when you use a hood above 400 CFM's. Yes if it is winter and cold outside you will freeze, but a replacement air system would do the same thing as soon as the fan speed went above 400 CFM's so you are only a little worse off then if you had the correct system.

You can thank hood makers, professional appliance makers, untrained or unethical appliance sales people, kitchen designers, and builders for this hazard. As well as home owners that just wouldn't listen to the warnings from the more knowledgeable and ethical professionals. We knew about it for over a decade as professional appliances gained in popularity, but people want what they want and without a law preventing them, my customers usually just wouldn't listen.

Thankfully going forward we are now protected from our own greed and stupidity. However there are millions of homes that were renovated prior to a few years ago that are dangerous. And so probably tens of millions of children play and watch TV in basements before dinner breathing in carbon monoxide.

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Comments (8)

PRO
BeverlyFLADeziner
10 years ago
Hoods always extend out that far, but they are also about 30" above the top of the range. They do not align with the bottom of the cabinets
User thanked BeverlyFLADeziner
PRO
Main Line Kitchen Design
10 years ago
Often a wood hood can project only 18" out. You need to make sure the blower fits in the shallower hood. Many of the projects that feature wood hoods on our Houzz page feature 18" deep custom or standard hoods.
User thanked Main Line Kitchen Design
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PRO
Patricia Colwell Consulting
10 years ago
The hood has to extend past your cabinets to do the exhausting from the stove
User thanked Patricia Colwell Consulting
chloebud
10 years ago
Virginia, I'm not a pro but it sounds okay to me. Our cabinets are also 13", and our hood is about 22" deep (same depth as the range top).
User thanked chloebud
PRO
Main Line Kitchen Design
10 years ago
Residential hoods actually don't not need to extend out so far. Hot air rises and more powerful CFM blowers and even ones only 400 CFM's will capture all the smoke and grease created in residential use. Even when homeowners are using commercial ranges and cooktops. Most of the time the gigantic and incredibly powerful stainless steel hoods that extend out 24" were designed for restaurants where the range normally has multiple burners in use for hours on end. The powerful blowers and the large overhangs are to capture the excess heat.

Replacement air systems were mandated for when homeowners use these commercial hoods in residential settings because appliance sales people were recommending homeowners use professional hoods and knowingly poisoned people with carbon monoxide for a decade before laws were put in place. Hood manufacturers still give out misinformation - they only care about selling hoods. And their lack of ethics makes their recommendations completely unreliable.

Almost no appliance salesperson or hood manufacturer will ever explain to a customer the problems with a make up air system. Imagine a homeowners surprise when after buying the recommended 1200 CFM hood for their 48" wolf range and installing the required make up air system, they turn their hood up all the way in the middle of a New England winter and in under 10 minutes the inside air temperature on their entire first floor is 32 degrees farenheight!

In general residential hoods should be higher off the counter, shallower, and less powerful then the recommendations given by commercial range and cooktop makers.
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chloebud
10 years ago
Main Line Kitchen Design, that sounds like good info...thanks! The home we bought has a 48" stainless Thermador hood and range top. Hopefully the previous owners didn't buy a hood that was more than necessary. It seems to be fine, but I've only used the fan a few times so far.
chloebud
10 years ago
Main Line, again, thanks for such helpful info! I've copied your comments to keep on hand if/when our current hood needs replacing. Wow...much more involved than I thought!
User thanked chloebud