Important Safety Instructions
Read all instructions before using this humidifier. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always place the humidifier on a firm, flat, level surface.
- Keep the power cord away from heated surfaces.
- Do not operate the humidifier with a damaged cord or plug.
- Unplug the humidifier before filling, cleaning, or moving.
- Do not block air openings.
- Do not use outdoors.
Product Overview
The Honeywell Top Fill Tower Humidifier (HEV620W) is designed to provide cool, invisible moisture to maintain optimal humidity levels in your home. It features a digital humidistat, multiple speed settings, and a convenient top-fill design.

Image: Honeywell Top Fill Tower Humidifier, Model HEV620W, in white.

Image: Overview of the Honeywell Humidifier's key features including cool invisible moisture, digital humidistat, and 3 speed settings.
Setup
- Unpack the Humidifier: Carefully remove all packaging materials.
- Position the Humidifier: Place the unit on a firm, level, water-resistant surface at least 12 inches away from walls and furniture. Ensure the mist outlet is not directed at walls or furniture.
- Fill the Water Tank:
- Remove the top cover.
- Pour clean, cool tap water directly into the water tank opening. Do not overfill.
- Replace the top cover securely.

Image: Diagram illustrating two methods for filling the humidifier: directly into the unit or by removing the tank and filling at a sink.

Image: Demonstrates pouring water directly into the top of the humidifier for easy refilling.
Operating Instructions
- Power On/Off: Press the power button (⑁) to turn the unit on or off.
- Adjust Fan Speed: Press the fan speed button (☠) to cycle through low, medium, and high settings.
- Set Desired Humidity: Use the humidity control buttons (▲ / ▼) to set your desired humidity level. The unit will automatically turn off when the set level is reached and restart when humidity drops.
- Set Timer: Press the timer button (⏱) to set the operating time (e.g., 2, 4, 8, 12 hours). The unit will automatically shut off after the selected time.

Image: Detailed view of the digital control panel, showing humidity display and control buttons.
Maintenance
Regular maintenance is crucial for optimal performance and longevity of your humidifier.
Daily Maintenance
- Refill the water tank with fresh, cool water.
Weekly Maintenance
- Clean the Water Tank and Base:
- Unplug the humidifier.
- Remove the water tank and empty any remaining water.
- Clean the tank and base with a mild detergent and rinse thoroughly.
- For mineral buildup, use a descaling solution or white vinegar.
- Check and Replace Filter:
- The "Check Filter" light will illuminate when it's time to inspect the filter.
- Slide out the filter tray from the back of the unit.
- Inspect the wicking filter for discoloration or hardening. Replace if necessary.

Image: Shows how to access and remove the wicking filter from the rear of the humidifier for inspection or replacement.

Image: A close-up of the Honeywell T-Filter, indicating it is a replacement part.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Humidifier does not turn on. | No power, unit not plugged in, water tank empty. | Ensure unit is plugged into a working outlet. Check if the water tank is filled. |
| No mist or low mist output. | Dry or clogged filter, low water level, incorrect humidity setting. | Check water level and refill. Inspect and replace the wicking filter if necessary. Adjust desired humidity setting higher. |
| "Refill" light is on. | Water tank is empty or low. | Refill the water tank. |
| "Check Filter" light is on. | Filter needs inspection or replacement. | Inspect the wicking filter and replace if it shows signs of wear or mineral buildup. |
| Unit is noisy. | Unit not on a level surface, fan speed too high. | Ensure the humidifier is on a stable, level surface. Try a lower fan speed setting. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Honeywell |
| Model Number | HEV620W |
| Operation Mode | Evaporative |
| Capacity | 1.5 gallons |
| Runtime | Up to 24 hours |
| Floor Area Coverage | 700 square feet |
| Special Features | Humidistat, Timer |
| Control Method | Touch |
| Filter Type | Wick |
| Dimensions (D x W x H) | 8.66"D x 9.84"W x 24.72"H |
| Item Weight | 12.5 pounds |
| Power Source | Corded Electric |
| Voltage | 120V |

Image: Diagram illustrating the physical dimensions of the humidifier.
Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or contact Honeywell customer service. Honeywell products are manufactured by Kaz, a Helen of Troy company.
You can often find customer service contact details on the product packaging or the official Honeywell website.





