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How to install a range hood under cabinet?

How to install a range hood under cabinet?

The range hood can use internal filters and fans to remove heat and smoke from the kitchen area. They are usually bought with the stove, but you can also buy them separately from the store.

Although large electrical appliances in your home must be installed by professionals, it is very easy to install a range hood without professional help if you use the right technology and tools.

We provide suggestions on how to install the range hood correctly under the cabinet.

Get ready for the range hood installed in the cabinet-what do you need

ü Range hood

ü Non-contact circuit tester

ü Bit

ü Electric drill with spiral tip

ü Wire nut

ü wire stripper

ü Screwdriver

Installation of range hood under cabinet-part 1

Remove the existing range hood (if any)

This is very simple. Simply unscrew all the wire nuts and disconnect them to remove the wires from the old hood. Now, please ask your partner to fix the range hood in place when you loosen all the screws that fix the existing range hood. Lift it up from the screw and put it down. Remove all loosened screws at the same time.

Select a new range hood

l Select the best range hood under the cabinet and cover your roof easily with at least 22-24 inches of clearance. The range hood you choose should extend several inches around the cooking area.

l Make sure the hood you choose has the best CFM rating. This level represents the amount of air that the vent can easily inhale per minute (in cfm). You can quickly find this number by multiplying the kitchen area by 2.250 cfm.

l Invest in a range hood of suitable size to make it easy to install. You can buy 36 inches, 48 inches and 60 inches from the market. It is important that your ventilation range hood should be ventilated through a suitable location in the wall. Currently available range hoods can be ventilated through roofs, walls or cabinets installed on them.

l If you want to connect the new range hood with the existing ventilation pipe, it is important to install it in the correct position and connect it easily. For example, if the hood area supports upper (cabinet) ventilation, but your current ventilation pipe passes directly through the wall behind the vent, you cannot connect the two.

Remove the hood and the filter and fan below.

You should first remove its filter and then use a screwdriver to remove the bottom plate. Now check the underside of the backplane and make sure that the existing conduit connectors are loosened. It is placed here to prevent damage to the hood during transportation.

Finally, continue and ensure removal of the perforated duct reject device located at the rear end of the hood. To do this, you can use a hammer and a screwdriver, but be careful not to damage the metal.

l To ensure safety, the power supply of the circuit should be cut off.

l Also check that the power and light switches of the old hood are turned off.

l If your new range hood is plug-in, you only need to unplug and skip this specific step.

Installation of range hood under cabinet-part 2

Prepare the vent on the vent hood

If you plan to replace the old range hood, there is no need to drill a new rectangle for the vent or install any piping system. However, if you want to install a brand new range hood, you must do some extra errands for it.

Check description template

Check the instruction template and find the perfect vent cut on the cabinet or wall to ensure that the range hood installed in the cabinet is correct.


Today, the range hood comes with a manual template. Use a spirit level or laser levels to help mark the exact middle position on the kitchen wall.


Now aim your template at the center of the wall and stick it firmly with adhesive tape. At this point, the drilling and cutting of the incision is started. Make sure that the cut is completely matched with the knock-out part of the range hood. This step is very important to ensure the accessibility of the range hood installed in the cabinet.


If necessary, you can also drill the wire of the range hood. If you don't know much about this part, ask an electrician to complete the project.


Cut or drill vent holes

Use wallboard or drilling machine to cut the dry wall properly to obtain the perfect template shape of the cut.


If there are no pipes or studs in the space behind your wall, then you are lucky! However, if there are studs or bagpipes, there are many alternatives.

Avoid the obstacles you find in the incision.

If a pipe is encountered, when cutting an opening for the exhaust hole of the range hood under the cabinet installation, open a wider rectangular wall to ensure barrier-free operation. Then do these three things:


l Re-route and re-weld the pipe so that the opening is completely free. If you can't handle it, call the general contractor or professional plumber.

l Drill 1×4 wedges at the bottom and top of the wall and support with new wall patches. This creates a completely new wall panel to cover the opening.

l Drill, tape the wall patch to cover the hole. Once it dries, you can use your template to remove the original vent cut.

l Follow the steps discussed earlier. Install important piping systems so that they can safely lead to the outside. Please remember that ventilation cannot be terminated in attics or walls-exhaust gas should be discharged through outdoor pipes.


Installation of range hood under cabinet-Part 3

Installing hood

l Mark all holes for cables and screws. At this time, use the template attached to the range hood. If you cannot find it, firmly fix the hood in place and ask your partner to mark the holes to install screws to locate the hood.

l Drill all screws or mounting brackets into the cabinet or the upper wall.

l The exact location where you drill the screws depends on whether you install the hood into the existing cabinet or the kitchen wall.

l If you are installing your existing cabinet, you can drill the screws into half of the cabinet. If you are installed on the wall with the help of a bracket, drill your screws directly into the wall-your range hood should be able to slide all these screws seamlessly and then place them on top of them.

l If you plan to install it on the wall and your wall is made of ceramic tiles, try to align the smaller holes with the tiles with hammers and nails. In this way, ceramic tiles will not be damaged when the mounting bracket is drilled into the kitchen wall.

l For thin cabinets, it is best to install some wood blocks to accommodate and strengthen the mounting screws. At this point, check the alignment. The ventilation holes shall be completely matched with the holes of the ventilation range hood piping system.

l Perform some recalibration (if necessary) before tightening the screws.

Wire connecting hood

The cable should pass through the existing cable bracket of the hood from the inside of the wall. Lights and fans should be connected with white and black lines. If you are not sure about the electrical connection, be sure to call your electrician.


l The two black wires in the hood should be connected to the black wires from the wall.

l This process should be repeated with white wires.

l The green grounding wire on the wall should be fixed on the grounding screw of the range hood.

l If you want to use the plug of the range hood, just plug it into the socket.

Now fix the grease guard on the engine hood and reinstall the filter. Replace the hood with screws. Open the hood and check the operation of the lamp and fan.


If the range hood is well ventilated, check the protruding pipes to ensure good ventilation.