1. Introduction
This manual provides essential information for the safe and efficient operation of your Honeywell HCE309BC Slim Ceramic Mini-Tower Space Heater. Please read all instructions carefully before use and retain this manual for future reference.

Figure 1: Front view of the Honeywell HCE309BC Slim Ceramic Mini-Tower Space Heater.
2. Important Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury to persons. This heater is designed for indoor use only.
- Placement: Position the heater on a firm, level surface. Ensure it is at least 3 feet (0.9 meters) away from walls, furniture, curtains, and other combustible materials.
- Power: Plug the heater directly into a 120V AC, 60Hz wall outlet. Do not use with extension cords, power strips, or surge protectors.
- Supervision: Do not leave the heater unattended while in operation. Always unplug the heater when not in use.
- Children and Pets: Keep the heater out of reach of children and pets. The exterior housing may become hot during operation.
- Ventilation: Do not block air intakes or exhaust openings. Ensure proper ventilation to prevent overheating.
- Safety Features: This heater is equipped with 360° tip-over protection and 2x overheat shut-off protection (overheat sensor & back-up cut off fuse). If the heater tips over or overheats, it will automatically shut off.
3. Product Features
- Slim Ceramic Mini-Tower Design: Space-saving design with DC motor technology for fast and steady heat.
- Heat Settings: Two heat settings (1500W high / 900W low).
- Programmable Thermostat: Features 4 pre-set temperatures for customized comfort.
- Auto-Off Timer: Settings for 1, 2, 4, and 8 hours.
- Oscillation: Provides wide area heating coverage.
- Cool Touch Housing: Designed with cool touch plastic housing for enhanced safety.
- Enhanced Safety: Includes 360° tip-over protection, 2x overheat shut-off protection, thermal insulated wiring, reinforced wire connections, and a stable & sturdy base.
4. Setup
- Unpack: Carefully remove the heater from its packaging. Retain packaging for storage if needed.
- Inspect: Check the heater for any signs of damage. Do not operate if damaged.
- Placement: Place the heater on a flat, stable, heat-resistant surface. Ensure adequate clearance from walls and other objects (minimum 3 feet / 0.9 meters).
- Power Connection: Plug the power cord directly into a grounded 120V AC, 60Hz electrical outlet.
5. Operating Instructions
The Honeywell HCE309BC features easy-to-use digital touch screen controls and an LED display.

Figure 2: Control panel of the Honeywell HCE309BC.
5.1 Power On/Off
- Press the Power button (
) to turn the heater on or off.
5.2 Adjusting Heat Settings
- Press the Heat Mode button (
) to cycle between High (HI) and Low (LO) heat settings.
5.3 Setting the Thermostat
- Use the Up (
) and Down (
) arrow buttons to select one of the 4 pre-set temperatures (18°C, 21°C, 24°C, 27°C). The heater will maintain the selected temperature.
5.4 Activating Oscillation
- Press the Oscillation button (
) to activate or deactivate the oscillation function, which distributes heat across a wider area.
5.5 Setting the Auto-Off Timer
- Press the Timer button (
) to select an auto-off duration: 1, 2, 4, or 8 hours. The heater will automatically turn off after the set time.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your heater.
- Cleaning: Always unplug the heater and allow it to cool completely before cleaning. Use a soft, damp cloth to wipe the exterior surfaces. Do not use abrasive cleaners or solvents.
- Storage: If storing the heater for an extended period, clean it thoroughly and store it in a cool, dry place, preferably in its original packaging.
7. Troubleshooting
If your heater is not operating correctly, refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No power, tip-over switch activated, or overheat protection engaged. | Ensure the heater is plugged into a working outlet. Check if the heater is on a flat surface and upright. Allow the heater to cool down if it was recently overheated. |
| Heater produces no heat. | Thermostat set too low or fan-only mode selected. | Increase the thermostat setting. Ensure a heat mode (High or Low) is selected, not fan-only. |
| Heater turns off unexpectedly. | Tip-over protection, overheat protection, or timer activated. | Check if the heater was tipped over. Ensure air vents are not blocked. Verify the timer setting. |
8. Specifications
| Feature | Detail |
|---|---|
| Model | HCE309BC |
| Brand | Honeywell |
| Type | Slim Ceramic Mini-Tower Space Heater |
| Heat Settings | High (1500W), Low (900W) |
| BTU Output | 5115 (High), 3069 (Low) |
| Dimensions (L x W x H) | 7.88 x 4.75 x 9.50 inches (20 x 12.1 x 24.1 cm) |
| Item Weight | 1.48 Kilograms |
| Power Source | Corded Electric |
| Special Features | Oscillation, Programmable Thermostat, Auto-Off Timer, 360° Tip-Over Protection, 2x Overheat Shut-Off Protection, Cool Touch Housing |
9. Warranty and Support
This Honeywell HCE309BC Slim Ceramic Mini-Tower Space Heater comes with a 3-year limited warranty.
For warranty claims, technical support, or further inquiries, please refer to the contact information provided in the original product packaging or visit the official Honeywell website.





