Range Hood Buying Guide 2026: 4 Things to Know Before You Buy

This overview page is your quick-start decision layer. Use it to prioritize what matters most, then open the dedicated best-of and comparison guides before purchase.

4 Key Factors When Buying a Range Hood

1Venting Method (Ducted vs. Ductless)

Why it matters

The venting method determines how effectively your kitchen is cleared of pollutants. Ducted systems physically expel heat and smoke outside. Ductless (recirculating) systems merely scrub the air through a filter and blow it back into the room, which is far less effective for gas cooking.

What to look for

• Vented/Ducted: Requires a typically 6” to 8” duct pipe to an exterior wall or roof for residential installs.
• Recirculating: Needs a charcoal filter that must be replaced every 3–6 months.
• Convertible: Can perform both functions, but usually requires an additional purchase of a recirculation kit.

Expert Take

If you have an interior kitchen wall, a ductless hood is often your only option without major renovation. If you must go ductless, look for a model with “High-Density” charcoal to minimize lingering odors from fish or spices.

2Airflow Capacity (CFM)

Why it matters

CFM (Cubic Feet per Minute) measures airflow. Undersizing leads to grease settling on cabinets. However, oversizing can cause “back-drafting,” where air is pulled from fireplace or water heater flues, creating a severe Carbon Monoxide (CO) poisoning risk.

What to look for

• Gas: Aim for 100 CFM per 10,000 BTUs of total range output.
• Island Hoods: Increase your calculated need by 50% because air is more easily dispersed.
• Check for a Makeup Air (MUA) requirement note; hoods over 400 CFM often require a secondary intake fan to replace the air they exhaust.

Expert Take

Some modern hoods include a CFM limiter setting that allows a technician to lock the fan at 399 CFM. This is a crucial feature if you want a powerful hood but want to avoid the high cost of a permitted MUA system installation.

3Filter Type (Baffle vs. Mesh)

Why it matters

Filters catch grease before it reaches the motor. Mesh filters (aluminum) are inexpensive but clog quickly, reducing airflow. Baffle filters (stainless steel) use a labyrinth design to trap grease more efficiently and are much easier to maintain.

What to look for

• Look for “Professional Baffle Filters” for better grease management and fire safety.
• Ensure the filters are dishwasher-safe to avoid manual scrubbing of hardened grease.

Expert Take

If you see grease dripping from your hood, your filters have reached a saturation point. At this stage, they no longer protect the motor, which can lead to a grease fire or permanent blower damage.

4Noise Level (Sones)

Why it matters

A range hood is often the loudest appliance in a kitchen. If it is too noisy, you won’t turn it on. A rating of 1 Sone is like a quiet refrigerator; 5+ Sones is comparable to normal conversation noise.

What to look for

• Aim for a “Working Speed” (the setting you use most often) of under 2 Sones.
• Check the Sone rating on the highest speed; many brands hide noise levels by only quoting the lowest setting.

Expert Take

Look for models with “Inverter Motors.” They are significantly quieter at mid-range speeds and more energy-efficient, allowing you to maintain air quality without disrupting a conversation in an open-concept kitchen.