Under-Cabinet vs Wall-Mount Range Hood: Which Is Better?

An under-cabinet hood is the practical choice when you have a wall cabinet over the range and want an affordable, straightforward install. A wall-mount (chimney) hood is the better performer and the bigger design piece, but it needs an open wall above the range and usually more installation work. Most kitchens keep the layout they have: under-cabinet for a like-for-like swap, wall-mount when you are remodeling or cook hard.

Under-cabinet vs wall-mount at a glance

Performance and capture

Capture is about how much of the rising plume the hood catches before it spills into the room. Two things help: a canopy that extends further over the front burners, and a canopy that is wider than the cooktop.

Wall-mount hoods usually win here. Their canopies are often deeper, they have room for larger baffle filters, and many are built around bigger blowers with 6”, 8” or 10” duct connections. The open sides of a chimney hood also leave space for the canopy to be wider than the range, which helps over gas.

Under-cabinet hoods are more compact. Many entry-level models sit around 200–300 CFM with a 3¼” × 10” rectangular or 6” round outlet. Mid- and upper-range under-cabinet hoods reach 400–600 CFM and perform well, especially when they are 3” wider than the cooktop on each side. The cabinet walls on either side of an under-cabinet hood can actually help contain the plume in a corner or galley kitchen.

For either type, match the airflow to your cooktop. A 30” electric range needs about 300 CFM by the 10 CFM-per-inch rule; a gas range with 50,000 BTU of total burners needs about 500 CFM by the 100 CFM-per-10,000 BTU rule. Wall hoods also follow roughly 100 CFM per linear foot of range width. Run your own numbers in the CFM calculator, and see 300 vs 400 vs 600 CFM for what each level feels like.

Installation

Under-cabinet installation

When you are replacing an under-cabinet hood with another one, most of the work is already done. The duct, wiring and cabinet are in place, and the new hood screws into the bottom of the cabinet. Check that the new hood’s outlet matches your duct: a 3¼” × 10” duct cannot feed a hood with a 6” round collar without a transition, and you should never reduce the duct size below the hood’s collar.

Turn off power at the breaker, not only at the hood’s switch, before disconnecting the old hood. Many under-cabinet hoods are hard-wired; some use a plug-in cord to an outlet inside the cabinet.

Wall-mount installation

A chimney hood hangs from a mounting bracket screwed into studs or blocking, and a two-piece telescoping chimney cover hides the duct up to the ceiling. The work usually includes:

• Removing the cabinet above the range (and patching, painting or tiling the wall behind it).
• Adding solid blocking between studs so the hood and chimney can be anchored securely.
• Moving the electrical box so it sits inside the chimney cover.
• Running duct up inside the chimney and out through the ceiling or a wall.

A chimney hood is heavier and more visible than an under-cabinet hood, so small errors show. Plan the bracket height carefully, check it with a level, and confirm that the duct and wiring both fall inside the chimney cover’s footprint before you close up the wall.

Measure your ceiling height before buying. Chimney covers fit a specific range of ceiling heights, commonly around 8–9 feet, and taller ceilings often need an extension kit. For a ductless wall-mount hood, the recirculation vents sit in the chimney cover.

Cost

Typical US ranges:

• Like-for-like under-cabinet swap: $250–$1,200 total for hood and labor.
• Under-cabinet to wall-mount conversion: $800–$3,000+, depending on wall repair, duct rerouting and electrical changes.
• New wall-mount in a remodel: $700–$3,500+ for hood and install, with premium hoods above that.
• Makeup air, if your hood can exhaust more than 400 CFM and your jurisdiction follows IRC M1503.6: often $1,000–$3,000+ added.

Wall-mount hoods tend to sit at higher CFM, which is where makeup air requirements start. Check with your local building department before choosing a hood over 400 CFM.

Noise

Both types are rated in sones by HVI. About 1 sone is a quiet refrigerator; 3–4 sones is normal conversation. On high, 600+ CFM hoods commonly reach 6–9 sones.

Under-cabinet hoods have less room for sound-dampening and larger, slower blowers, so a small under-cabinet hood can sound loud for the air it moves. Wall-mount hoods often run quieter at a given airflow because a bigger blower can spin slower. Larger duct helps both types: moving the same air through a 6” duct instead of a 3¼” × 10” duct usually cuts roar.

Maintenance

Maintenance is similar. Both use washable stainless baffle or aluminum mesh filters: clean them every month with heavy or frying use and every 1–3 months otherwise, using the method in our filter cleaning guide.

Wall-mount hoods have more exposed stainless steel to wipe down, including the chimney cover, and a taller surface that collects dust and grease film. Under-cabinet hoods are lower and easier to reach, but the underside of the cabinet above them can collect grease if the hood is undersized.

Looks and space

An under-cabinet hood blends in and keeps the kitchen line of cabinets intact. You keep 1–2 cubic feet of storage above the range.

A wall-mount hood becomes a focal point, often in stainless, glass or a custom finish. It opens the wall and can make a small kitchen feel less boxed in, but you give up that cabinet. If you like the cabinet look but want wall-mount performance, a hood insert built into a custom cabinet or enclosure is a middle path; see range hood insert vs range hood.

Code

The same code basics apply to both, based on IRC 2021 M1503: metal duct (galvanized steel, stainless steel or copper), discharge outdoors and not into an attic or inside the building, and makeup air for systems able to exhaust more than 400 CFM. Follow the manufacturer’s mounting height and clearances, since they are part of the listing. Local codes vary, so check with your local building department.

Which should you choose?

Choose an under-cabinet hood if:

• You have a cabinet over the range and want to keep it.
• You are replacing an existing under-cabinet hood and want a fast, low-cost swap.
• You cook mostly on electric or induction, or moderately on gas.
• Your budget for hood plus install is under about $1,000.
• You want a DIY-friendly install.

Choose a wall-mount (chimney) hood if:

• There is no cabinet over the range, or you are remodeling and can remove it.
• You cook on gas, often at high heat, or want 600 CFM or more.
• You want the hood to be a design feature.
• You can run duct up through the ceiling or straight out the wall behind it.
• Your ceiling height fits the chimney cover, or you are willing to buy an extension.

What to look for when buying

• Width at least equal to the cooktop, ideally 3” wider on each side for gas (see 30 vs 36 inch range hood).
• Canopy depth that reaches over the front burners.
• CFM sized to your cooktop with the CFM calculator.
• Duct outlet that matches your existing or planned duct; never reduce below the collar size.
• HVI-certified CFM and sone ratings.
• Washable stainless baffle or aluminum mesh filters.
• For under-cabinet: hood height and depth that fit your cabinet, and a mounting height that fits your cooktop.
• For wall-mount: chimney cover length that fits your ceiling height, and a plan for blocking in the wall.
• Makeup air plan if the hood can exhaust more than 400 CFM.
• Hard-wire vs plug-in, matching your existing electrical.

The bottom line

Under-cabinet hoods are the sensible, budget-friendly default for kitchens with cabinets over the range. Wall-mount hoods capture better, reach higher CFM and look the part, at the cost of storage and more install work. Size either one with the CFM calculator before you shop.