Best Bath Exhaust Fan 2026 — Quiet 50-110 CFM Picks
Bath fans without exhaust grow mold within months. Three top picks plus the code rules every California homeowner needs.
Code requires either an operable window or 50 CFM minimum bath fan. Many California homes have neither. Adding a fan is one of the highest-impact home improvements you can do.
Quick Comparison
| Pick | Best For | Approx Price |
|---|---|---|
| #1 Pick | Broan-NuTone 688 Bath Exhaust Fan (50 CFM) | $30-$50 |
Our Picks
CFM Sizing
Bath under 50 sqft: 50 CFM minimum. 50-100 sqft: 80-100 CFM. 100+ sqft or jacuzzi: 110+ CFM with humidity sensor.
Duct to Outside, Not Attic
Bathroom moisture vented to the attic causes attic mold. Always duct to outside through soffit or roof.
Installation
Exhaust fan install: $150+. Includes ducting through ceiling, electrical hookup, and proper venting.
Need help installing what you bought? Book installation directly or request a free quote. Same-day available across California.
Frequently Asked Questions
How much CFM do I need?
50 minimum. 80 for typical bath. 110+ for large or jetted-tub bathrooms.
Can I duct to attic?
No. Causes attic mold. Always to outside through soffit or roof.
Installation cost?
$150+ standard, $200-$300 if new ductwork required.
Winter guides from our crews
What to buy for holiday lights, heat, hot water and rain season, written by the California installers who put it in.
- Heated Bathroom Upgrades
- Safe Space Heaters
- Permanent vs Plug-In Lights
- Lights Tripping the GFCI?
- Smart Thermostats That Fit
- Tankless vs Tank in Winter
- Garage Heater Guide
- Weatherstripping and Door Sweeps
- Gutter Guards Before Rain Season
- Rain-Season Drainage
Get it installed
