The most common way to install your range hood is on an interior wall. Both wall and under cabinet range hoods can be vented on an interior wall.
Venting a range hood on an interior wall may seem daunting. But, if you are comfortable DIYing it, you can save money doing the installation yourself. If not, we recommend hiring a local contractor to install the hood. Installing ductwork is the most difficult part.
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That being said, with a little research, the average homeowner can tackle this project. Just follow the five steps below.
To vent your range hood on an interior wall, you’ll need to cut a hole in the wall for the ductwork. So, it’s important that you know exactly where you want to vent your range hood before continuing with the installation.
Keep in mind that you can always cut a larger hole if needed. But you can’t put the wall back if you cut a hole that is too large.
You might also be wondering: what size ductwork do I need for my range hood? Check out the chart below.
The larger the range hood’s CFM, the larger the diameter duct you’ll need. Otherwise, your duct will choke the air as it moves to the outside. It puts more strain on the motor to vent the same amount of air through a smaller duct compared to a larger duct.
Your hood will not be able to move the amount of air it is advertised to move. For example, a 900 cfm hood attached to ductwork that is less than eight inches will not be able to move 900 cubic feet of air in a minute.
So, if in doubt, go with a larger duct. To learn more about duct size, check out our complete guide.
Ideally, your duct run should have no more than two elbows. Any more than two and your exhaust system will have too much resistance to effectively vent all your greasy air to the outside.
To reduce the number of elbows you’ll need, select a path that avoids studs, electrical wires, and other obstacles in your walls.
Also, keep the length of your ductwork down to 30’ or less. This ensures that your kitchen air makes it to the outside easily.
It can be tricky to install your ductwork from your hood to the outside. Ideally, you want to be able to have access points along your ductwork run where you can thread it through your ceiling or wall.
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If you can hop in your attic or basement, these are generally the easiest places to thread ductwork.
Otherwise, you may have to choose a couple of areas to cut out access points in your ceiling or wall so you can complete the installation. Before you go cutting holes in your home if you aren’t certain of what is inside the wall where you are cutting, consult a contractor.
Your hood will be running for years to come, so you want it to comfortably fit in your kitchen.
One to two inches gives you space to thread the ductwork through the hole so you can attach it to the hood with ease.
Once you have threaded your ductwork to the outside, connecting it to your hood is easy. The ductwork connects to your hood via a transition piece.
The final step is to go outside your house and install a wall or roof cap at the end of your duct run. A cap helps keep debris and dirt from entering your duct. This will allow it to run efficiently for years to come.
Check out some of the best roof caps for your range hood right here.
An inline blower attaches to your ductwork, unlike a local blower that sits inside your range hood.
Here’s a quick video on how to install an inline blower.
Just like ductwork, inline blowers come in different sizes. You’ll want to make sure that your inline blower has the same diameter as your ductwork.
Or, if it is a different size, you’ll need an adapter or transition piece. For example, if your ductwork is 8” but your inline blower is 10”, you’ll need two transition pieces that convert from 8” to 10” on each side of your blower.
To install your blower, first, you’ll need to find a place in your duct where you have room for it.
The further away it is from the hood, the quieter it’ll be.
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But you don’t want it too close to the outside. It’ll be noisy outside, and you also might want room for a backdraft damper. A backdraft damper should be installed close to the termination of your ductwork.
Once you’ve found a place for your inline blower, you’ll need to measure it and account for some space to put transition pieces.
Make two marks on your ductwork for both sides of the inline blower. Then, cut your ductwork out so you can attach the blower.
For a smooth installation, you need to be pretty accurate with these measurements. So if you’re at all uncomfortable, have someone with some experience double check your work. Or, call a local contractor to install the inline blower.
Install the brick backsplash first to make your life easier. If you install the backsplash first, you won’t have to navigate around the range hood during the installation. Also, you’ll know the exact size of the backsplash and you can mount the range hood based on its location. If any mistakes happen along the way, it will be much easier to reinstall and relocate a backsplash than a range hood.
A backdraft damper, like an inline blower, is installed inside your ductwork. The damper is a vent that opens when you use your hood and closes when you turn it off. Most importantly, it prevents back-drafting, which is the backward movement of outside air back inside your home.
Ideally, you want all the greasy air to make it to the outside and a backdraft damper helps with that. It also keeps debris out, acting as a safety net if your wall or roof cap doesn’t catch all the debris.
Backdraft dampers come in many different sizes. For range hood, the most common sizes are 8” and 10”. They are less bulky than inline blowers. Most backdraft dampers are rectangular, so if you have circular ductwork make sure you find a damper that is circular.
Install your backdraft damper close to the termination of your duct – within a few feet. Once you’ve found a place for it, cut through your ductwork and attach the damper. Most dampers have screw holes on the top, bottom, and sides so you can firmly attach them to your ductwork.
Hopefully, you found this guide on how to vent your hood through a wall helpful. If you have any questions about your installation, feel free to call Proline at (877) 901-5530. Or, check out more of our installation articles below.
How to Install a Wall or Under Cabinet Range Hood
How to Install a Range Hood Through the Ceiling
How to Install a Range Hood Insert
Source: https://gardencourte.com
Categories: Kitchens
This post was last modified on 13/10/2023 04:34
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