If you’re tired of constantly buying and replacing filters, the Everlasting Comfort 6L Ultrasonic Humidifier might be exactly what you need. With a generous tank, quiet performance, and zero filters to maintain, it’s one of the best choices in 2025 for low-maintenance, all-day comfort.
In this review, we dive into its features, performance, pros and cons, and how it compares to other top-rated models.
Quick Verdict
The Everlasting Comfort 6L is a budget-friendly, filterless humidifier ideal for medium to large rooms. It’s perfect for users who want strong mist output without ongoing costs or complicated upkeep.
Best For: Large bedrooms, living rooms, allergy sufferers, aromatherapy users
Also Featured In: Best Filterless Humidifiers, Best Long-Lasting Humidifiers, Best Humidifiers for 2025
Specs at a Glance
- Tank Capacity: 6L (up to 50 hours runtime)
- Coverage Area: Up to 500 sq ft
- Mist Type: Ultrasonic cool mist
- Noise Level: Low (~30 dB)
- Special Features: Filterless, essential oil tray, auto shut-off
- Design: Side-fill with large tank opening
Key Features & Benefits
1. No Filters Required
This model is 100% filterless, which saves you money and hassle. Simply clean it regularly and you’re good to go.
Also ranked in our Best Filterless Humidifiers roundup.
2. Long Runtime for All-Day Use
The 6-liter tank provides up to 50 hours of operation—perfect for overnight and extended use in larger spaces.
Compare with other models in our Best Long-Lasting Humidifiers list.
3. Built-In Aroma Tray
Unlike many humidifiers, it features a separate essential oil tray, so you can safely diffuse your favorite scents without damaging the unit.
For more on this feature, see Best Humidifiers with Essential Oil Trays
4. Simple Operation & Quiet Performance
It uses a basic dial control and operates quietly enough for use in bedrooms or nurseries.
Pros and Cons
| Pros | Cons |
|---|---|
| No filters to buy or replace | No smart features or auto mode |
| Large 6L tank | Side-fill may be less convenient |
| Quiet enough for bedrooms | No humidistat or digital display |
| Built-in essential oil tray | No warm mist option |
Who Should Buy the Everlasting Comfort 6L?
- Users who want low-maintenance, affordable humidification
- People sensitive to dry air or dealing with allergies
- Essential oil users who want integrated aroma options
- Light sleepers who need a near-silent machine
Alternatives to Consider
Want smart control? Try the LEVOIT Classic 300S. Need warm mist too? Go for the LEVOIT OasisMist 1000S. Looking for a compact pick? The AquaOasis 2.2L is a great small-room option.
Maintenance Tips
- Use distilled water to avoid white dust buildup
- Rinse daily, and clean the tank weekly with vinegar
- Avoid adding oils directly to the water tank—use the tray
Learn more in our How to Clean a Humidifier Properly guide.
Final Verdict
If you’re looking for a powerful, quiet, filterless humidifier that works reliably in larger spaces, the Everlasting Comfort 6L is one of the best-value options available in 2025. While it doesn’t have smart features, its simplicity, capacity, and affordability make it a standout for anyone focused on comfort without the fuss.
Explore more options in our Best Humidifiers for 2025 roundup or head over to Best Filterless Humidifiers for more easy-care models.