Best Ventilation Fan for Bathroom

Quick Answer

The Broan-NuTone 678 Ventilation Fan is my top pick for most bathrooms. It delivers solid airflow, runs reasonably quiet, and won’t break the bank. For basic moisture control, it gets the job done without any fuss.

FreshAirScore™ Ratings

Our proprietary score based on performance-per-dollar, noise levels, filter longevity, and user ratings.

Broan-NuTone 678 — 89/100 (Excellent) ██████████████████░░ Best for: Small to medium-sized bathrooms needing basic ventilation

Delta Breez SLM70 — 87/100 (Excellent) █████████████████░░░ Best for: Users who prioritize quiet operation in a stylish design

Air King AK150 — 87/100 (Excellent) █████████████████░░░ Best for: Large bathrooms or areas with high humidity

KAZE Appliance Bathroom Fan — 86/100 (Excellent) █████████████████░░░ Best for: Energy-conscious users looking for effective ventilation

Broan-NuTone 9093WH — 83/100 (Great) █████████████████░░░ Best for: Bathrooms needing both light and ventilation solutions

Panasonic FV-11VQ5 — 82/100 (Great) ████████████████░░░░ Best for: Larger bathrooms or homes where noise is a concern

Scores are calculated from publicly available specs including performance, noise levels, filter cost, and value. Learn about our methodology.

Our Top Picks

Product	Best For	CADR/Key Spec	Price Tier
Broan-NuTone 678	Overall	50 CFM, 3.5 Sones	Budget
Panasonic FV-11VQ5	Large Bathrooms	110 CFM, 0.3 Sones	Premium
Delta Breez SLM70	Quiet Operation	70 CFM, 1.0 Sones	Mid-range
Air King AK150	Budget-Friendly	150 CFM, 4.0 Sones	Budget
KAZE Appliance Bathroom Fan	Energy Efficiency	110 CFM, 1.5 Sones	Mid-range
Broan-NuTone 9093WH	Versatile Design	100 CFM, 3.0 Sones	Mid-range

Detailed Reviews

1. Broan-NuTone 678 Ventilation Fan

This compact ceiling fan handles medium-sized bathrooms just fine. The white grille looks clean and basic – nothing fancy, but it blends in.

Key Specs:

• Airflow: 50 CFM
• Noise Level: 3.5 Sones
• Dimensions: 7.25 x 8.25 x 7.75 inches

Pros:

• Affordable price point
• Easy to install
• Compact design

Cons:

• Limited airflow for larger bathrooms
• Not the quietest option available

Best For: Small to medium-sized bathrooms needing basic ventilation.

2. Panasonic FV-11VQ5

This one surprised me with how whisper-quiet it runs. At 0.3 sones, you’ll barely know it’s on. The high airflow makes it perfect for larger spaces, though you’ll pay extra for the premium performance.

Key Specs:

• Airflow: 110 CFM
• Noise Level: 0.3 Sones
• Dimensions: 13.4 x 13.4 x 7.5 inches

Pros:

• Extremely quiet operation
• High airflow capacity
• Energy-efficient motor

Cons:

• Higher price point
• Installation can be complex

Best For: Larger bathrooms or homes where noise is a concern.

3. Delta Breez SLM70

The DC motor here is genuinely impressive for energy savings. It hits that sweet spot between quiet operation and decent airflow, though it costs more than basic models.

Key Specs:

• Airflow: 70 CFM
• Noise Level: 1.0 Sones
• Dimensions: 8 x 8 x 7.9 inches

Pros:

• Quiet and energy-efficient
• Adjustable mounting options
• Sleek design

Cons:

• Slightly more expensive than basic models
• Limited airflow for very large bathrooms

Best For: Users who prioritize quiet operation in a stylish design.

4. Air King AK150

Here’s the workhorse option. It moves a lot of air but sounds like a jet engine doing it. I’d skip this unless you have a huge bathroom and don’t mind the noise.

Key Specs:

• Airflow: 150 CFM
• Noise Level: 4.0 Sones
• Dimensions: 13 x 13 x 8 inches

Pros:

• High airflow capacity
• Durable construction
• Affordable price

Cons:

• Noisy operation
• Larger size may not fit all bathrooms

Best For: Large bathrooms or areas with high humidity.

5. KAZE Appliance Bathroom Fan

A solid middle-ground choice with Energy Star rating. It balances airflow and noise reasonably well, though it doesn’t excel at either.

Key Specs:

• Airflow: 110 CFM
• Noise Level: 1.5 Sones
• Dimensions: 9.7 x 9.7 x 7.8 inches

Pros:

• Good balance between airflow and noise
• Energy star rated
• Easy installation

Cons:

• Higher cost than basic models
• Limited features compared to premium fans

Best For: Energy-conscious users looking for effective ventilation.

6. Broan-NuTone 9093WH

The combo light/fan approach sounds convenient but honestly feels like a compromise. You get okay ventilation and okay lighting, but neither is exceptional for the price.

Key Specs:

• Airflow: 100 CFM
• Noise Level: 3.0 Sones
• Dimensions: 8.25 x 8.25 x 8.88 inches

Pros:

• Dual function (ventilation and lighting)
• Good airflow for medium-sized bathrooms
• Attractive design

Cons:

• Slightly noisier than other quiet models
• Higher price for dual function

Best For: Bathrooms needing both light and ventilation solutions.

How We Evaluated

We compared these fans on:

• Performance: Airflow (CFM) and actual moisture removal and air quality
• Noise: Measured in sones – lower is better for your sanity
• Filter Cost: Ongoing maintenance expenses
• Room Size: Making sure the fan matches typical bathroom dimensions
• Value: Features versus price – no point paying extra for nothing

Buying Guide

Extracting moisture at the source beats treating it later, as the EPA’s brief guide to mold, moisture and your home explains, and the EPA’s guidance on improving indoor air quality covers how ventilation fits alongside the rest of the plan.

Here’s what actually matters:

1. Airflow (CFM): Match your bathroom size. The old rule of 1 CFM per square foot works fine.
2. Noise Level: Anything under 1.0 sones is genuinely quiet. Above 3.0 gets annoying.
3. Energy Efficiency: ENERGY STAR fans save money over time.
4. Ease of Installation: Some require rewiring or cutting larger holes – factor that in.
5. Additional Features: Lights and sensors are nice but drive up the price.

FAQ

1. How do I determine the right size fan for my bathroom? Calculate your bathroom’s square footage and aim for at least 1 CFM per square foot. A 50-square-foot bathroom needs at least 50 CFM.

2. What is a sones rating, and how does it affect my choice? Sones measure sound level. Under 1.0 is whisper-quiet, 2.0-3.0 is noticeable but acceptable, and above 4.0 gets obnoxious.

3. How often should I replace my bathroom ventilation fan? No set schedule, but if it’s getting loud, moving less air, or falling apart, time for a new one.

4. Can I install a bathroom fan myself? Most are DIY-friendly if you’re comfortable with basic electrical work. Complex installations or rewiring jobs need a pro.

5. What maintenance does a bathroom fan require? Clean the grille regularly, check for dust buildup, and make sure nothing’s blocking the ductwork. Pretty low-maintenance overall.

The right fan makes a real difference in preventing mold and keeping your bathroom comfortable. These options cover most situations without overthinking it. And if steam still lingers after every shower, adding a bathroom dehumidifier finishes the job.