Broan-NuTone Mantra MTR3304SS 30 in

Last updated: November 9, 2026

Broan-NuTone Mantra MTR3304SS 30 in
3.6/5#3 of 17 in under-cabinet range hoods
3.6

A smart under-cabinet hood that sets its own fan speed from the heat of the range. Good for busy cooks who forget to turn the hood on.

  • 490 CFMAirflow
  • 7.5 sonesNoise at max
  • 30 inWidth
  • Ducted or ductlessVenting
Check price at Amazon$424.48

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Heat sensor runs the fan on its own while you cook
  • Airflow can be capped at 300 or 400 CFM to avoid make-up air
  • Strong HVI-certified airflow (390 CFM) for an under-cabinet hood
Cons
  • Loud at full speed (7.5 sones)
  • One-year warranty

How it scores

The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.

Specifications

Model numberMTR3304SS
Airflow and noise
Max airflow490 CFM
HVI-certified airflow (0.1 in.)390 CFM
Noise at max speed7.5 sones
Noise at low speed1.3 sones
Fan speeds3
Installation
MountUnder-cabinet
Width30 in
VentingDucted or ductless
Duct connection3-1/4 x 10 in or 7 in round
PowerHardwired
Airflow cap for make-up air codesYes
Features
Grease filtersSteel baffle
LED lightingYes
ControlsTouch, gesture
Delayed shut-offYes
Automatic fan speedYes
Build
Weight27.1 lb
Warranty1 year

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