Updated Oct 8, 2026· 6 min read

Key takeaways

  • Width: Match or exceed the cooking surface width.
  • Depth: Confirm the hood will not project so far that it interferes with headroom or cabinet doors.
  • Height: Check the manufacturer’s minimum distance above the cooktop. Gas and electric installations may have different requirements.
  • Duct opening: Verify whether the outlet is on the top or rear and whether its diameter matches your existing duct.
  • Cabinet strength: Heavy stainless models may require reinforced mounting points rather than relying on thin cabinet material alone.

Best Under Cabinet Range Hoods

The best under cabinet range hood for most kitchens is a 30-inch ducted hood rated around 300–400 CFM, with a washable metal baffle or mesh filter, a sound rating of about 1–3 sones on normal speed, and enough clearance for your cooktop and cabinets.

That recommendation changes if exterior venting is impossible, your cabinet is unusually shallow, or you regularly use a high-output gas range. The right choice depends less on the hood’s maximum airflow than on whether it fits the cabinet, vents effectively, and remains quiet enough to use every day.

Our top picks

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Quick Comparison: Which Hood Fits Your Kitchen?

Kitchen situation Best choice Target specifications Expected market price
Frequent frying or gas cooking Ducted stainless steel hood 400–600 CFM, 30–36 inches wide, metal baffle filters $250–$900
Typical electric or induction cooking Moderate-power ducted hood 250–400 CFM, 30 inches wide, 1–3 sones on normal speed $150–$600
No practical exterior vent route Ductless convertible hood 200–400 CFM claimed airflow, charcoal filter, replaceable filter availability $120–$500
Small cabinet or compact apartment Low-profile under cabinet hood 24–30 inches wide, roughly 4–6 inches tall, 150–300 CFM $100–$350
Open-plan kitchen where noise matters Insulated, multi-speed ducted hood 250–400 CFM, approximately 1–2 sones on low speed $350–$1,000

These are useful buying ranges, not standardized guarantees. Manufacturers measure CFM and sones under different conditions, and actual performance depends heavily on duct length, elbows, make-up air, and installation quality.

Our Picks by Priority

Best overall: a 30-inch ducted hood with 300–400 CFM

For most homes, this configuration offers the best balance of capture, noise, cost, and energy use. A 30-inch hood should cover a standard 30-inch cooktop, while a 36-inch hood is preferable when the cooking surface is 36 inches wide or when cabinet space allows extra overhang.

Look for a hood with at least three speeds, independently controlled LED lighting, a delay-off timer, and dishwasher-safe metal filters. Stainless steel is easy to wipe clean, but galvanized steel or powder-coated housings can also be durable when the seams and controls are well made. Brands such as Broan-NuTone, Zephyr, and Hauslane offer multiple under cabinet configurations, but compare the individual specifications rather than relying on the brand name.

Best for heavy cooking: 400–600 CFM with baffle filters

High-heat cooking, wok use, frequent searing, and repeated frying benefit from greater airflow and a deeper capture area. Stainless steel baffle filters generally hold up better to grease and repeated washing than thin aluminum mesh. They are not maintenance-free: grease still accumulates inside the hood and duct, particularly when the hood is run too late or at too low a speed.

A powerful hood can also create problems. At around 400 CFM and above, local building requirements may call for make-up air, especially in tightly sealed homes. A heating appliance, fireplace, or water heater can be affected by excessive negative pressure. Ask a qualified installer to check local code and combustion-air requirements before choosing a very high-CFM model.

Best for a no-duct kitchen: a convertible ductless hood

Ductless installation is practical when you cannot cut through an exterior wall, roof, or cabinet, but it is a compromise. The hood captures grease and some odors, then sends filtered air back into the room. It does not remove humidity, heat, carbon dioxide, or all cooking pollutants the way a properly ducted hood can.

Choose a model with an accessible, replaceable charcoal filter and a washable grease filter. Charcoal filters commonly need replacement every three to six months in an actively used kitchen, although heavy frying may shorten that interval. Before buying, confirm that replacement filters are still sold for the exact model; an inexpensive hood with unavailable filters quickly becomes wasteful.

Ducted Versus Ductless: The Head-to-Head Decision

Factor Ducted Ductless
Smoke and odor removal Best; exhausts air outdoors Limited; recirculates after filtration
Humidity and heat removal Yes No
Installation difficulty Higher; requires suitable ductwork Lower; usually mounts directly under cabinet
Ongoing consumables Usually washable grease filters only Grease filters plus charcoal filters
Noise potential Can be quieter with a properly sized smooth duct Often louder because air remains inside the room
Best use Regular cooking, frying, gas ranges Light cooking or locations where ducting is impractical

If you have the choice, ducted is usually the more sustainable long-term option because it avoids recurring charcoal filters and removes heat rather than adding to the cooling load. A short, straight duct run is more effective than a nominally powerful hood connected to a restrictive maze of flexible duct.

How Much Power Do You Need?

For electric or induction cooktops, a practical starting point is roughly 100 CFM per linear foot of cooking surface when the hood is ducted. A 30-inch, or 2.5-foot, cooktop therefore points to approximately 250 CFM. For gas cooking, a common planning range is 100 CFM per 10,000 BTU of total burner output, though local codes and the range manufacturer’s instructions take priority.

For example, a gas range rated at 50,000 BTU would produce this estimate:

50,000 BTU ÷ 10,000 × 100 CFM = 500 CFM

This is a sizing guide, not a promise of capture performance. A hood that is wider than the cooktop, mounted at the correct height, and connected to a smooth 6-inch or 7-inch duct may outperform a higher-rated hood installed with multiple sharp bends.

Clearance and Fit: Measure Before You Shop

Measure the width, depth, and height of the cabinet opening, not just the available wall space. Most under cabinet hoods are 24, 30, or 36 inches wide. The hood should normally be at least as wide as the cooktop; extra width improves capture, particularly for front burners.

  • Width: Match or exceed the cooking surface width.
  • Depth: Confirm the hood will not project so far that it interferes with headroom or cabinet doors.
  • Height: Check the manufacturer’s minimum distance above the cooktop. Gas and electric installations may have different requirements.
  • Duct opening: Verify whether the outlet is on the top or rear and whether its diameter matches your existing duct.
  • Cabinet strength: Heavy stainless models may require reinforced mounting points rather than relying on thin cabinet material alone.

Never use the hood’s maximum CFM as a substitute for the installation manual’s clearance requirements. Excessively low mounting can expose the hood to more heat and grease, while excessive height reduces capture.

Noise, Filters, and Ownership Costs

Sones are the most useful published noise measure, but manufacturers do not always report them at the same airflow. A hood rated at 1 sone on its lowest setting may become much louder at maximum speed. If the kitchen opens into a living room, prioritize low-speed noise, insulated housing, balanced blower design, and a delay-off function over an impressive top-speed number.

Filter design affects both performance and maintenance:

  • Aluminum mesh: Lightweight and common; wash regularly because layered grease restricts airflow.
  • Stainless mesh: More durable and less prone to discoloration, though it can still clog.
  • Stainless baffle: Robust and effective for heavy cooking; usually costs more and may be heavier.
  • Charcoal: Needed for ductless odor reduction; normally disposable and not washable.

Suppose a ductless hood uses two charcoal filters costing $15–$30 per pair and you replace them three times per year. That adds roughly $45–$90 annually, before electricity and cleaning supplies. A ducted model may cost more to install initially but avoid that recurring expense.

Installation and Maintenance Mistakes to Avoid

  1. Run the hood before cooking: Turn it on several minutes before heating the pan so airflow is established.
  2. Use the correct speed: Low or medium is usually quieter and more efficient for simmering; use high for frying or smoky cooking.
  3. Keep the duct smooth and short: Use rigid metal duct where possible and minimize elbows. Do not vent into an attic, crawlspace, wall cavity, or cabinet.
  4. Wash grease filters regularly: Monthly cleaning is a reasonable starting point for frequent cooking; lighter use may require cleaning every two to three months.
  5. Wipe the housing and blower area: Grease on the fan increases odor, restricts movement, and can become a fire risk.
  6. Replace charcoal filters on schedule: Waiting until odors return means the filter is already saturated.

For an efficient, lower-waste purchase, choose the smallest hood that properly covers the cooktop, the lowest airflow that suits your cooking, and a ducted installation whenever feasible. A well-fitted 300–400 CFM hood used consistently is often a better everyday choice than an oversized, noisy hood that gets switched off.

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