Product Overview
The Dreo Atom One Space Heater is a compact and efficient heating solution designed for various indoor spaces. It features PTC ceramic heating technology for rapid warmth, multiple safety protections, and quiet operation. The oscillating function ensures wide heat distribution, while the digital thermostat allows for precise temperature control and energy saving with ECO mode.

Figure 1: Dreo Atom One Space Heater with remote control, illustrating 70-degree oscillation and digital display.
Key Features
- Faster Heat: 1500W PTC Ceramic heating for rapid warmth.
- Multiple Protection: ETL-listed with tip-over and overheat protection, enhanced safety plug, and UL94 V-0 flame-retardant materials.
- Engineered to be Quieter: Brushless DC motor and 9 aerodynamic blades for tranquil warmth.
- Warm Any Angle: 70° wide-angle oscillation for broad heat coverage.
- Precise Heat, Precise Comfort: Digital thermostat (41-95℉) with 1℉ increments and ECO Mode for energy saving.
- Heat the Way You Like: Various modes (High/Medium/Low/ECO/Fan Only) for versatile heating.
Components
The Dreo Atom One Space Heater comes with the following main components:
- Dreo Atom One Space Heater Unit
- Remote Control
- User Manual (PDF available online)
- Electrostatic Filter (pre-installed)

Figure 2: Remote control for the Dreo Atom One Space Heater.
Setup
Unpacking
- Carefully remove the heater from its packaging.
- Remove all packaging materials, including any protective films or inserts.
- Inspect the heater for any signs of damage. Do not operate if damaged.
Placement
- Place the heater on a firm, level surface.
- Ensure there is at least 3 feet (0.9 meters) of clear space from the front, sides, and rear of the heater to any walls, furniture, or other objects.
- Do not place the heater on soft surfaces like beds or rugs where openings may become blocked.
- Ensure the power cord is not pinched or placed under the heater.

Figure 3: Proper placement of the heater to allow for wide oscillation and safe operation.
Operating Instructions
Control Panel Overview
The heater features a touch-sensitive control panel on its top surface. All functions can also be controlled via the included remote control.

Figure 4: Top control panel and digital display of the heater.
- Power Button: Touch to turn the heater On or Off.
- Mode Button: Cycle through heating modes (High, Medium, Low, ECO) and Fan Only mode.
- Temperature Adjustment (+/-): Increase or decrease the target temperature in ECO mode.
- Oscillation Button: Turn 70° oscillation On or Off.
- Timer Button: Set a timer for automatic shut-off (up to 12 hours).
- Mute Button (on remote only): Mute the button press sounds.
Modes and Settings
- High Heat (H3): Provides maximum heating power (1500W).
- Medium Heat (H2): Provides moderate heating power (1000W).
- Low Heat (H1): Provides lower heating power (900W).
- ECO Mode: Automatically adjusts the heat level to maintain the set temperature (41-95℉), optimizing energy consumption.
- Fan Only Mode: Circulates air without heating.
Timer Function
The timer allows you to set the heater to automatically turn off after a specified duration, from 1 to 12 hours. Press the timer button repeatedly to select the desired duration.

Figure 5: Digital display showing the timer setting.
Oscillation
Activate the 70° oscillation feature to distribute warm air across a wider area, ideal for larger rooms or multiple occupants.

Figure 6: Heater oscillating to cover a wide area.
Safety Features
The Dreo Atom One Space Heater is equipped with multiple safety mechanisms to ensure safe operation:
- Tip-Over Protection: The heater automatically shuts off if it is accidentally knocked over.
- Overheat Protection: If the internal components reach an unsafe temperature, the heater will automatically power down.
- UL94 V-0 Flame-Retardant Materials: Constructed with high-quality, flame-retardant materials for enhanced safety.
- Enhanced Safety Plug: Designed to prevent overheating of the plug and outlet.

Figure 7: Diagram illustrating the comprehensive Shield360° safety features.
Maintenance
Cleaning
- Always unplug the heater and allow it to cool completely before cleaning.
- Use a soft, damp cloth to wipe the exterior surfaces.
- To clean the electrostatic filter, gently remove it from the rear of the unit. Use a soft brush or vacuum cleaner to remove dust. Do not wash the filter with water.
- Ensure the filter is completely dry before reinserting it.

Figure 8: Electrostatic filter being removed for cleaning.
Storage
When not in use, store the heater in a cool, dry place. It is recommended to store it in its original packaging to protect it from dust and damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | Not plugged in; power outlet issue; tip-over switch activated; overheat protection activated. | Ensure plug is fully inserted; check power outlet; place heater on a flat, stable surface; allow heater to cool down. |
| Heater stops working unexpectedly. | Overheat protection activated; tip-over switch activated; timer expired. | Allow heater to cool; ensure heater is upright; check timer settings. |
| Weak airflow or reduced heating. | Dusty filter; air intake/outlet blocked. | Clean the electrostatic filter; ensure clear space around the heater. |
Specifications
| Brand | Dreo |
| Model Number | DR-HSH004-G |
| Power | 1500W (Max) |
| Voltage | 120V |
| Dimensions | 6"D x 7"W x 11"H |
| Weight | 4.4 pounds |
| Heating Coverage | Up to 200 sq ft |
| Temperature Range | 41°F to 95°F |
| Oscillation | 70° |
Warranty and Support
For warranty information, technical support, or any questions regarding your Dreo Atom One Space Heater, please refer to the official user manual or visit the Dreo support website.
Official User Manual (PDF): Download Here





