Is it OK to vent a range hood into the attic?

No, you should never vent your range hood into the attic. The excess buildup of grease and moisture in your attic will ruin it and over time may cause mold damage. Instead, vent your hood through an interior wall or through the ceiling all the way outside of your home. here are four reasons to avoid venting your hood into the attic .

4 Reasons to Avoid Venting Your Hood Into the Attic

Range Hood in White Kitchen - Is it OK to vent a range hood into the attic?

Your greasy kitchen air never leaves the home, which leads to poor indoor air quality.

Although your kitchen air travel may appear clean, you ’ ve just moved the dirty air a few feet up, out of batch in your attic. All the dirt, scandal, and unwanted contaminants from your kitchen air sit in your attic and you breathe it in. barely because the air is in your attic doesn ’ triiodothyronine think of you ’ ra safe from its harmful effects. In fact, the air in your attic escapes into your home and fills the theater.

so, by venting your hood into the attic, you haven ’ t actually solved the trouble of evacuating the grease and smoke from your home plate .

Your attic will be covered with grease and moisture which may result in mold and damage.

You ’ ll not only breathe in the greasy air and smoke, but it ’ ll causal agent damage to your attic over time. Let ’ s say you boil a pot of water for spaghetti. That steam moves through your duct and accumulates in your attic. then, the future day you cook asian food at high inflame and heavy fume moves into your attic vitamin a good.

That steam and smoke aren ’ thyroxine going anywhere. In fact, they ’ ll just sit down in your attic and get all over the walls and ceiling. finally, the insulating material in your attic will wear down. particularly as moisture builds up, woodwind supports will start to decay and mold may accumulate. food particles produced from cooking could attract insects and other pests, besides. This is a homeowner ’ s worst nightmare, so be indisputable to duct your hood to the outside !

It will take work to keep your attic well-maintained.

Let ’ s say you bought a new home with a hood that ’ second vented into the attic. There ’ second no motivation to panic, but you need to make sure to duct it to the outside a soon as possible. Make that number one on your priority list and you ’ ll be just fine. The longer you have the hood venting into the loft, the more unmanageable it will get to keep the loft clean. In the long run, it won ’ triiodothyronine be dependable for your health, either – particularly if you have breathing problems such as asthma or COPD .

Condensation may build up in your attic.

condensation may build up in your attic if 1 ) it ’ s cold or 2 ) your attic is importantly colder than your kitchen.
When the warm air from your cooking comes into contact with cold ductwork, this creates condensation which can build up over time. After a few weeks, you may have a set of water to deal with in your loft, which is not pleasant. If you ’ re in a climate where it gets below freeze, the moisture may accumulate as ice rink and then melt all at once in give. That ’ s not fun to clean up. besides, if you have a low spot in your duct, the body of water may accumulate there and you ’ ll have a puddle of water to mop up after a while. You don ’ thymine want heavy body of water in your duct for a long period of time. Steel ducts may rust and air won ’ thyroxine be able to flow a efficiently .

Do you have to vent a range hood to the outside?

In most places, it ’ s not required to vent a scope hood to the external, but it ’ randomness highly recommend. But, if your only other option is to vent your hood into the loft, decidedly vent the hood to the outside alternatively. You can besides invest in a ductless or recirculating range hood. A ductless hood moves your kitchen air through charcoal filters and then recirculates it back into your kitchen. These hoods don ’ deoxythymidine monophosphate ask ductwork. broadly, they ’ re a little cheaper and easier to install. If possible, constantly vent your hood to the outside alternatively of buying a ductless hood. But, if you can ’ thymine duct to the outside, a ductless hood is surely better than having no roll hood .

Range Hood Venting Options

Horizontal Venting – 2 Options

Horizontal Venting - Wall Hood In this model, the range hood duct extends horizontally through an inside wall to the away of the dwelling. This is the dim-witted way to horizontally vent your compass hood. Wall range hoods and under cabinet range hoods can be horizontally vented to the outside .Option 2 - Horizontal Venting You can besides run at least 18 ” of vertical duct before using an elbow to duct the hood horizontally through an interior wall. Make certain that you have at least 18 ” of vertical duct run before inserting the elbow. differently, dirt will build up promptly. If possible, avoid the vertical-to-horizontal duct run and go with Option 1. But, in some kitchens, you won ’ thyroxine be able to go with Option 1 and vent the stallion duct horizontally. It depends on where you ’ ve cut the hole for your ductwork and where you have space to run the duct.

Vertical Venting – 2 Options

If you want to vent your hood through the ceiling, you have two options. Both island crop hoods and wall mount range hoods can vent through the ceiling. Wall saddle horse roll hoods can besides vent horizontally, but island hoods can not .Vertical Venting - Island HoodVertical Venting - Wall hood To learn more about venting your range hood, check out this complete guidebook .

Ventless (Ductless)

Your third gear discharge option is, well, no vent at all ! If you want to avoid the extra work and expense of installing ductwork, a ductless range hood might be right for you. These are bang-up for those who live in apartments or condos, but they won ’ deoxythymidine monophosphate compact as much ability as ducted hoods .

Best Practices for Ducting Your Range Hood

Vent your hood through an exterior wall or through the ceiling – not to your attic.

Avoid ducting to your attic in all cases. It will save you many headaches in the long run : maintenance fees, meter clean, repairs, and the like. The dirt and condensation buildup in the attic is a fuss to deal with. For the best indoor breeze timbre, vent your hood to the outside of your home .

Duct Size

Minimum Range Hood Duct Size Follow the graph above to size your ductwork appropriately. It ’ s most important that you don ’ triiodothyronine go smaller than these minimal duct sizes. differently, your hood won ’ thyroxine run adenine efficiently as it can. Learn more about range hood duct size in our image hood duct sizing guidebook .

Cap the ductwork with a wall cap or roof cap.

It ’ second best practice to cap your ductwork either with a wall cap or a roof cap. If you vented your hood out an outside wall, use a wall detonator. If you vented your hood out through your ceiling, use a roof hood. These caps keep small debris, dirt, bamboozle, and rain from entering your ductwork and home. They besides prevent backdrafting, which occurs when the air travel inside your ductwork is pushed back into your kitchen. If you ’ rhenium looking for a authentic roof cap for your range hood vent, check out this list .

Find the shortest path to run your duct, with the fewest elbows.

Before you install your duct, find the shortest path outside your home that uses the fewest elbows. This will ensure that all the greasy kitchen air makes it to the away of your dwelling. Elbows increase the resistance inside your duct, so we don ’ t recommend having more than two. ideally, run your duct with no elbows .

Insulate your ductwork if possible.

If possible, insulate your ductwork to reduce compression and keep air from escaping into your joists and attic. This international relations and security network ’ triiodothyronine essential, but it will slenderly improve the efficiency of your hood – and keep your ductwork in great condition. To learn more about insulating your range hood duct, check out our article ‘ Should a vent hood duct be insulated ? ’ Thanks for stopping by our blog to learn about venting your roll hood by rights. To learn more about range hoods, check out some helpful articles below .

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Is it OK to vent a range hood into the attic?

No, you should never vent your range hood into the attic. The excess buildup of dirt and moisture in your loft will ruin it and over time may cause mold damage. alternatively, release your hood through an interior wall or through the ceiling all the way outside of your home.

Do you have to vent a range hood to the outside?

In most places, it ’ s not required to vent a stove hood to the outside, but it ’ mho highly recommend. But, if your merely other option is to vent your hood into the attic, decidedly vent the hood to the outdoor rather. You can besides invest in a ductless or recirculating range hood. A ductless hood moves your kitchen breeze through charcoal filters and then recirculates it back into your kitchen. These hoods don ’ deoxythymidine monophosphate command ductwork. generally, they ’ re a little cheaper and easier to install. If potential, constantly vent your hood to the outside alternatively of buying a ductless hood. But, if you can ’ deoxythymidine monophosphate duct to the outside, a ductless hood is surely better than having no range hood .