How to Fill A Humidifier With Water?

Best Humidifiers to Buy in October 2025

1

LEVOIT Top Fill Humidifiers for Bedroom, 2.5L Tank for Large Room, Easy to Fill & Clean, 28dB Quiet Cool Mist Air Humidifier for Home Baby Nursery & Plants, Auto Shut-off and BPA-Free for Safety, 25H

• 25-HOUR RUN TIME: ENJOY LONG-LASTING MOISTURE FOR ALL-NIGHT RELIEF.
• EASY TOP-FILL DESIGN: QUICKLY REFILL WITHOUT SPILLS FOR ULTIMATE CONVENIENCE.
• WHISPER-QUIET OPERATION: SLEEP PEACEFULLY WITH NOISE AS LOW AS 26DB.

BUY & SAVE

$29.99 $39.99

Save 25%

2

Homvana Humidifiers for Bedroom Home, 3.6 L Cool Mist Top-Fill 34H Super Long Time, Quiet 23dB, Baby Humidifier, Oil Diffuser for Large Room, Plants, Nursery, Office BPA FREE, 7 Color Light Ultrasonic

• TRANSFORM YOUR BEDROOM WITH 3-IN-1 HUMIDIFIER, AROMATHERAPY, AND MOOD LIGHT!

• WHISPER-QUIET OPERATION ENSURES PEACEFUL SLEEP FOR YOUR WHOLE FAMILY!

• 100% SAFETY CERTIFIED: BPA-FREE AND AUTO SHUT-OFF FOR ULTIMATE PEACE OF MIND!

BUY & SAVE

$29.98 $49.94

Save 40%

3

Dreo Humidifiers for Bedroom, 4L Top Fill for Large Room, 36H Runtime, 28 dB Quiet Supersized Cool Mist Air Humidifier for Baby Nursery, Plants, Indoor, Night Light, Easy to Clean & Fill

• QUIET COMFORT: 4L TANK ENSURES 36 HOURS OF SILENT, COZY HUMIDITY.
• SUPERCHARGED PERFORMANCE: MIST UP TO 40 INCHES FOR QUICK AIR RELIEF.
• EASY MAINTENANCE: TOP-FILL DESIGN SIMPLIFIES REFILLS AND CLEANING.

BUY & SAVE

$35.98 $39.99

Save 10%

4

CHIVALZ Humidifiers for Bedroom, 6L Cool Mist Humidifiers for Baby Nursery, 26dB Quiet, 50H Runtime, Top Fill Humidifier for Large Room, Home, Plants, Nightlight, Oil Diffuser 1 Pack White

• POWERFUL 300ML/H OUTPUT FOR QUICK RELIEF FROM DRYNESS.

• 50-HOUR RUNTIME WITH 6L TANK FOR ALL-NIGHT COMFORT.

• WHISPER-QUIET AT 26DB, PERFECT FOR RESTFUL SLEEP.

BUY & SAVE

$41.99 $159.99

Save 74%

5

LEVOIT Humidifiers for Bedroom, Quiet (3L Water Tank) Cool Mist Top Fill Essential Oil Diffuser with 25Watt for Home Large Room, 360° Nozzle, Rapid Ultrasonic Humidification for Baby Nursery and Plant

• 3L TANK FOR 25 HOURS OF MOISTURE-SLEEP COMFORTABLY ALL NIGHT!

• TOP-FILL DESIGN: EASY REFILLS WITHOUT SPILLS OR HASSLE!

• 2-IN-1 DIFFUSER & HUMIDIFIER: ENJOY AROMATHERAPY AT HOME!

BUY & SAVE

6

Dreo Smart Humidifiers for Bedroom, Top Fill 4L Supersized Humidifier Large Room with 28 dB, 36H Runtime, Touch/APP/Voice Control, Nightlight, Cool Mist Humidifiers for Baby, Plants, Indoor, Black

• SMART CONTROL: VOICE-ACTIVATED AND APP-CONTROLLED FOR EASY USE.
• SUPERSIZED MIST: 3X LARGER MIST OUTPUT FOR FAST, EFFECTIVE HYDRATION.
• QUIET COMFORT: 36 HOURS OF SOOTHING MIST WITH MINIMAL NOISE (28DB).

BUY & SAVE

$44.99 $49.99

Save 10%

7

FOHERE Humidifiers for Bedroom, 3.2L Cool Mist Baby Humidifier, 28H Quiet Runtime, Auto Shut-Off, 7-Color Nightlight, Top-Fill, BPA-Free, Essential Oil Diffuser for Home, Room, Nursery, Plants,Office

• 28-HOUR RUNTIME: ALL-DAY COMFORT WITHOUT INTERRUPTIONS FOR BABY!

• WHISPER-QUIET & SAFE: ENJOY PEACEFUL SLEEP WITH BPA-FREE MATERIALS!

• 2-IN-1 FUNCTIONALITY: HUMIDIFIER + AROMA DIFFUSER FOR SOOTHING AROMAS!

BUY & SAVE

$34.19

8

LEVOIT Smart Humidifiers for Bedroom Large Room Home,(6L) Cool Mist Top Fill Essential Oil Diffuser for Baby & Plants,Smart App & Voice Control, Rapid Humidification & Auto Mode-Quiet Sleep Mode, Gray

• EFFORTLESS COMFORT WITH AUTO MODE: OPTIMIZED HUMIDITY FOR WELLNESS.

• POWERFUL PERFORMANCE: 4X FASTER HUMIDIFICATION, LASTS 60 HOURS!

• SMART APP CONTROL: MANAGE HUMIDITY ANYTIME, ANYWHERE WITH EASE.

BUY & SAVE

$69.98 $79.99

Save 13%

9

Frida Baby 3-in-1 Cool Mist Humidifier for Large Rooms, Top Fill Humidifier for Bedroom, Allergy Relief, 60 Hour Runtime + Nightlight, Auto Shut-Off, Quiet, Carry Handle, Essential Oil Diffuser

• 60-HOUR RUNTIME: ENJOY EXTENDED USE WITHOUT FREQUENT REFILLS.
• TOP-FILL DESIGN: EFFORTLESS REFILLING AND CLEANING, MESS-FREE!
• LARGE ROOM COVERAGE: PERFECT FOR NURSERIES AND LIVING SPACES UP TO 320 SQ FT.

BUY & SAVE

$39.97 $44.99

Save 11%

+

ONE MORE?

To fill a humidifier with water, follow these steps:

1. Start by unplugging the humidifier from the power source to ensure safety.
2. Locate the removable water tank on your humidifier. Typically, this is located at the base of the unit or on the side.
3. Remove the water tank by lifting it gently or following the instructions provided by the manufacturer.
4. Take the water tank to a sink or a water source, ensuring it is easily accessible.
5. If your humidifier has a filter, check if it needs to be replaced or cleaned. Follow the manufacturer's instructions for maintenance.
6. Open the water tank cap or lid, usually located on the top of the tank.
7. Fill the water tank with clean, cool tap water or distilled water, depending on the manufacturer's recommendations. Avoid using hot or warm water.
8. Fill the tank slowly and avoid overfilling. Leave some space at the top to prevent spills when reattaching the tank.
9. Close the water tank cap or lid securely to prevent leakage.
10. Carefully place the filled water tank back onto the base of the humidifier. Make sure it is correctly aligned and securely attached.
11. Plug in the humidifier to the power source.
12. Follow the manufacturer's instructions to adjust any settings or controls as desired.
13. Monitor the water level regularly and refill the tank when necessary to maintain optimal performance.

Remember to refer to your specific humidifier's user manual for detailed instructions, as different models may have slightly different procedures.

What precautions should I take when adding water to a humidifier?

When adding water to a humidifier, it is important to follow certain precautions to ensure safe usage:

1. Use clean water: Always use clean, distilled or demineralized water to fill the humidifier. Tap water can contain minerals and impurities that can create deposits and affect the performance of the unit.
2. Read the manual: Before adding water, carefully read the manufacturer's instructions and recommendations regarding the type and temperature of water suitable for your specific humidifier model.
3. Use the appropriate water level: Fill the humidifier to the recommended level. Overfilling can lead to water spilling or leaking, potentially damaging the unit or causing electrical problems.
4. Avoid chemical additives: Do not add any chemical additives, essential oils, or fragrances to the water unless specifically instructed by the manufacturer. Additives can clog the humidifier, reduce its efficiency, or release harmful substances into the air.
5. Clean the humidifier regularly: Follow the manufacturer's instructions on regular cleaning and maintenance. This typically involves emptying and rinsing the water tank daily, as stagnant water can promote bacterial or mold growth. A clean humidifier ensures a healthy and hygienic environment.
6. Unplug before refilling: Always unplug the humidifier from the power source before adding water or performing any maintenance. This avoids the risk of electric shock or damage to the unit.
7. Avoid direct contact: Avoid direct contact between the humidifier's electrical components and water. Water spills on the electrical parts can cause damage and pose a safety hazard.
8. Consider room placement: Place the humidifier on a stable surface away from any home furnishings, electrical devices, or sensitive materials that may be affected by moisture or accidental water spills.

Remember that each humidifier may have specific usage instructions and precautions. It is advisable to refer to the user manual provided by the manufacturer for accurate and detailed information.