How can I hang a range hood without a cabinet above my range?

Things to You Should Consider Before Begin How To Install Under Cabinet Ductless Range Hood

  • Before going to the installation process, unbox the new under cabinet ductless range hood and get familiar with all the accessories manufacturers provide.
  • Then make sure the recommended space for your new range hood exists in your kitchen cabinet.
  • In addition, the under cabinet ductless range hood must be installed at a minimum of 28 inches – 32 inches above your stove. Verify that there is sufficient space for it.
  • Cover your cooktop with a wooden board to prevent screws and other objects from getting into the stove.
  • Before going to work it’s great to follow the installation and other instructions that the manufacturer’s guide advised.


Range Hood Installation Considerations

If you’re a handy do-it-yourselfer, it’s relatively simple to switch out an existing range hood with a newer model. Moving a range hood’s location during a kitchen renovation or installing one for the first time, however, will require some accommodations.


The standard width of a range hood is 30 inches (matching the width of a standard range), although wider wall-mounted and suspended island models are also available for custom kitchen designs.


For microwave-hood combinations, the bottom of the cabinet above the range should be at least 30 inches above the cooking surface to leave room for the installation. Fortunately, many contractors install this cabinet configuration in new homes for just that reason. The 30-inch distance is also the preferred upper-cabinet height for a range hood without a microwave, although individual models may have different requirements; once you’ve picked a keeper, read and follow the manufacturer’s recommended height specifications.

Power supply:

If you’ve chosen a combination model, you must have an electrical outlet in the cabinet above the unit in order to power the fan motor and microwave. While it’s not required by building code, many new-home contractors will go ahead and install that designated outlet on a separate 15 or 20 amp circuit with enough juice to run a microwave. If you’re installing a hood for the first time and there’s no nearby outlet, an electrician must install one near the location before you can proceed. The specs on your unit will indicate its power needs. Not all simple range hoods draw enough power to necessitate a designated outlet, but microwave-hood combinations should have their own circuit.



Both single hoods and microwave-hood combination units come with templates that mark exactly where to predrill or cut holes for screws, a power supply, and vent. The template will also show you where to attach the bracket that supports a hood combo on an exterior wall. If you are installing an outside-venting range hood, but you’re not mounting it on an exterior wall, the model you select should have the option of upward venting, as you’ll have to run the ducting through the ceiling.



Range Hood Use and Maintenance Tips

  • Wash the metal filter at least once a month in hot water and detergent. Rinse in cold water and let it completely dry before re-installation.
  • Filters should always be installed in the same direction. Look for imprinted arrows or instructions on the filter.
  • Clean the range hood with a sponge, warm water, and a mild detergent. Never use abrasive cleaners.
  • Most range hood fans are permanently lubricated and do not need re-oiling. However, consult the instructions to see if any lubrication is required.
  • Regularly clean inside of the duct to remove grease and other debris that may catch fire.
The Best Range Hoods to Improve Your Kitchen's Air Quality

Common FAQs Regarding Under Cabinet Ductless Range Hood installation

Q: How to install recirculating range hood if I have two cabinets above the cooktop?

A: If your under cabinet ductless range hood is to be installed between two cabinets, the installed space on the range hood should have equal distance on either side of the cabinet. Aim to install it halfway from each cabinet. Get the tape measure to find out the center of two cabinets and draw a vertical line from the ceiling with a level ruler.

Q: How to install a ductless range hood without a cabinet?

A: You can install a ductless range hood without cabinets if you make a shelf with brackets along the kitchen walls. Then you can install the range hood by making several customizations there. But it’s not a great approach.

Q: Are ductless range hoods effective?

A: Obviously, why not? Ductless range hoods keep the kitchen environment clean and vibrant by absorbing toxic fumes, grease, and odor from the kitchen through carbon filters. You don’t have to worry about venting outside separately if you have a ductless range hood. 

Q: What are the difference between non-ducted and ducted range hoods?

A: Basically, the range hoods that trap the smoke in the kitchen, vent out the smoke through the exhaust chimney are called ducted range hoods. On the other hand, the range hood that absorbs the smoke out of the kitchen and purifies it, and returns the clean smoke to the kitchen is named a non-ducted or ductless range hood. This non-ducted and ducted matter depends totally on what type of filters you are using. Ducted range hoods use stainless-steel baffle filters and aluminum mesh filters. But charcoal filters are only used for non-ducted range hoods.

Q: What should I look for in a ductless range hood?

A: If you finally choose a ductless range hood, you should concentrate on its power, CFM (Cubic feet Per Minute). CFM is a big issue for a ductless range hood. Better performance comes from a more substantial range hood. Therefore, you must judge CFM power.

Q: Cost of installing a range hood?

A: To install an under cabinet ductless range hood costs about 350$-700$. Exact costs will vary on the condition of work and also on depending the electrician’s expertise.

I’m updating my kitchen and need to replace an old Fasco hood. What type of hood would be compatible for my existing duct work?

Talk to your manufacturer to find out the duct size of your replacement hood. It should match the duct size of your Fasco hood. If not, you could end up with a duct that is too small. Then, the air will struggle to move outside your home. We recommend replacing your old hood with a hood that is the same CFM. That way, the air can move outside your home smoothly.

My range hood did not come with instructions. We dont know how to install it

If your range hood did not come with instructions, call the manufacturer and ask for instructions or check their website. You can also check out this video on how to install a range hood.

We have many instructional videos that you can find here. If these don’t help you out, check out our installation guide.

Vent Hood in Open Shelving

This whole kitchenette was done on a pretty tight budget. We recently finished up our bathroom and kitchen renovations so we DIYed a lot and found some other budget friendly ways to finish this space (like our Faux Brick Backsplash I shared last week).

Is a vented range hood better than an unvented one?

Without question. It’s far preferable to vent the air outdoors than to recirculate it into the room. A vented hood that removes steam, smoke, heat, and cooking odors is the best way to keep your kitchen clean, since it gets rid of grease particles that would otherwise accumulate on your walls and cabinets.

Unvented range hoods do filter some grease and cooking odors from the air, but the general consensus is that they’re nowhere near as effective. Nor do they remove heat and humidity, so they won’t help keep your kitchen cool while you cook.

 Above: An industrial-style vent (made of ducting)
Above: An industrial-style vent (made of ducting) draws air up and out. For more, see Kitchen of the Week: A Proper English Kitchen with New England-Inspired Shiplap Paneling.

Frequently Asked Questions (FAQs)

Yes, under-cabinet range hoods are effective at ventilating and filtering the air in your kitchen while you cook. Grease, combustion products, smoke and steam are all vented or filtered out by the system, so that you can enjoy your kitchen and your food in cleanliness and comfort. Under-cabinet range hoods are most effective when well-maintained.

We do not recommend this, but theoretically, yes, you can vent a range hood into a cabinet. If the ductwork leads from the range hood system into a cabinet, the air has no other place to go. It is not a good idea to vent hot air into a cabinet. Over time, the heat and moisture exposure, plus the contaminants in the vented air (remember: this vented air often contains most of what you are trying to get rid of during cooking), will cause extensive damage to your cabinets. Warping, splitting and mold are all likely possibilities. You may also cause damage to whatever is kept inside the cabinet.

The current average cost to install an under-cabinet range hood is $750. Most installations will fall between $400 and $1,500 depending on the infrastructure required (for example if you need to add ductwork) and whether or not you are replacing an existing system. In general, expect to pay contractors a labor rate between $50 and $100 per hour.

If you need to add or extend wiring to your new under-cabinet range hood, it is a good idea to consult with or hire an electrician to help you through the process. Though wiring an under-cabinet range hood is not an incredibly complex process as with all things involving wiring and electricity if you have any doubts about the installation it is always better to hire a professional.

How to Choose an Under-Cabinet Range Hood

You should take several factors into account when choosing an under-cabinet range hood.

Size of Cooking Surface

In order to have the most useful impact possible in your kitchen, your under-cabinet range hood should be the same width as your cooking surface. This will allow your range hood to catch and funnel the grease- and smoke-filled air you want to filter and potentially vent from your home. Though it won’t be an issue if your range hood is a little bigger than your cooking surface, if your range hood is too small it will not be able to filter all the air you want it to.

Because under-cabinet range hoods are installed under, well, cabinets—which typically do not extend to cover the entirety of your cooking surface—you should focus on finding a range hood to match the width, not depth, of your stove. Under-cabinet range hoods are designed to take this smaller size into account and can still provide adequate ventilation so long as width requirements are met.

Size of Cabinets

Because this type of range hood is installed underneath existing cabinets, it’s imperative that you have enough cabinet space to accommodate it. In addition to the unit itself, you will want to leave a width of two to three inches on either side for ideal ventilation. You will also need enough space nearby (e.g. in the walls or ceilings) for any ductwork and vents that accompany the range hood system.

Airflow (in CFM)

The CFM (cubic feet per minute) rating on all range hood products refers to how much air the unit can process, filter and remove at once. A higher airflow will give you a speedier (but not necessarily better) ventilation than a lower airflow rating. The best CFM for you will depend on the size of your kitchen and your cooking style. For example, if your cooking produces a lot of heat, grease and smoke, it may be better for you to have a range hood with a high airflow.

Exhaust Timers

If your under-cabinet range hood comes equipped with this feature, it simply means the fan will turn off after a certain amount of time (typically 10 minutes). This feature is useful if you want to leave your range hood running even after you finish cooking but might not have a chance to or might not remember to turn it off.

Fan Settings and Speeds

All range hoods should have, at the bare minimum, two fan speeds: low and high. The low setting is quiet and best used to clear the air while finishing or just after cooking. The high setting is best used while in the process of cooking, especially if you are generating a lot of smoke, steam or grease. A third speed is often included, offering a middle ground between the more extreme settings. More than this is typically not necessary for a domestic kitchen.

Ducted vs. Ductless

If your under-cabinet range hood is ducted, it means the air processed by the range hood will be vented outside (through a ductwork system). A ductless range hood will simply vent back into the kitchen after filtering. Make sure you know which system you want for your home—while a ductless unit is not as effective as a ducted system, it is convenient for a smaller kitchen or home or for those who do not cook often.


  1. Range hoods mount to the cabinet using mounting screws. The screws are usually about 1/2-inch in length, so they do not penetrate the inside of the cabinet. A knockout plug removed from the back of the range hood is fitted with a wire connector before installation. The appliance is held in place while the wire is inserted through the connector followed by the installation of the mounting screws. Once the range hood is secure to the cabinet bottom, you can connect the leads from the range hood to the hot, neutral and ground wires from the supply wire using wire nuts. To finish the project replace any covers and insert the filters.


Leave a Comment