Can You Use Brita Water for Humidifier Without Issues
Tayyabah Zahoor
September 6, 2025
Menu
Many people wonder if their essential oil diffuser can double as a humidifier. At first glance, they look similar—both release mist into the air. But in reality, a diffuser and a humidifier serve different purposes. Let’s break it down in simple words.
A diffuser freshens the air with fragrance, while a humidifier improves moisture levels.
Feature
Diffuser
Humidifier
Main Purpose
Spreads essential oils
Adds moisture to air
Water Tank Size
Small (100–300 ml)
Large (1–6 liters)
Coverage
Very small space
Entire rooms
Run Time
2–6 hours
8–24+ hours
Effect on Humidity
Minimal
Significant
Use with Oils
Yes (designed for it)
Mostly No (unless oil-safe model)
Best For
Aromatherapy, relaxation
Dry air, allergies, winter use
Yes, but with limitations.
A diffuser does release moisture into the air, so technically, it can increase humidity a little bit. However:
A diffuser is not a substitute for a humidifier if your goal is to maintain healthy indoor humidity.
You can use a diffuser as a mini-humidifier in:
If you live in a dry climate or use heaters in winter, you’ll need a real humidifier to keep the air comfortable.
Avoid adding essential oils if you plan to use the diffuser only as a humidifier—this can irritate sensitive lungs or harm pets.
Go with a diffuser. It’s safe and effective for spreading scents.
Invest in a proper humidifier, especially if you live in a dry region.
Look for a humidifier–diffuser combo. Some models are designed to add moisture and also let you add a few drops of essential oil.
Avoid essential oils if you have pets, babies, or respiratory issues.
A diffuser can act like a mini-humidifier, but only for very small spaces and for a short time. If you’re trying to keep your whole bedroom, living room, or home properly humidified, you’ll need a real humidifier. Think of a diffuser as a fragrance tool first, and a humidifier as a health tool.
Tayyabah Zahoor, a Physics graduate and skilled content writer, has built her expertise in reviewing home environment products. After creating in-depth guides on air purifiers, she has now expanded her focus to humidifiers. By applying her scientific background, she evaluates their performance, features, and benefits to help readers make confident and informed choices for healthier indoor air.