1. Important Safety Instructions
Please read all instructions carefully before using the Klarstein Bornholm Convection Heater. Retain this manual for future reference.
- General Safety: Always unplug the product during lightning storms or when not in use for extended periods. Never leave the device unattended while in operation.
- Placement: Ensure the heater is placed on a stable, level surface. If wall-mounted, follow all installation guidelines carefully. Maintain adequate clearance from walls, furniture, and flammable materials. Some instructions suggest installation 1.8m (approx. 6 feet) above the floor with 0.5m (approx. 2 feet) clearance from ceiling and side walls, while others indicate 100mm from the ground for floor use. Always prioritize the safest placement for your environment.
- Overheat Protection: The heater is equipped with an overheat protection system that automatically shuts off the device if it becomes too hot.
- Tip-Over Protection: The device features a safety mechanism that automatically turns off the heater if it is accidentally tipped over.
- Child Lock: Activate the child lock feature to prevent unintended changes to settings by children.
- Water and Moisture: This heater is splash-proof (IP24 rated) and suitable for use in bathrooms and kitchens, but it should never be submerged in water. Do not operate near bathtubs, showers, or swimming pools.
- Hot Surfaces: During operation, the heater's surfaces will become hot. Avoid direct contact and keep children and pets away from the device.
2. Product Overview
The Klarstein Bornholm Convection Heater is a powerful and versatile electric heating device designed for efficient room warming. It combines modern design with practical features for comfort and safety.
Key Features:
- Heating Type: Convection Heater with 2000W maximum power.
- Control: On-device touch controls, remote control, and mobile app control via Wi-Fi.
- Temperature Range: Adjustable from 5°C to 45°C (41°F to 113°F) in 1°C increments.
- Timer: Programmable timer for up to 24 hours.
- Modes: Comfort, ECO, and Boost modes for varied heating needs.
- Display: Invisible LCD display shows room temperature and settings.
- Safety Features: Overheat protection, tip-over protection, and child lock.
- Installation: Can be used freestanding with included feet (with casters) or wall-mounted (mounting materials included).
- Design: Slim, modern design with a safety glass front.

Figure 1: Klarstein Bornholm Convection Heater in a modern living room setting, showcasing its sleek design.
3. Specifications
| Feature | Detail |
|---|---|
| Brand | KLARSTEIN |
| Model Number | 00819885021839US |
| Special Features | Child Lock, Noiseless, Overheat Protection, Splashproof |
| Color | White |
| Form Factor | Pedestal (Freestanding) / Wall Mount |
| Indoor/Outdoor Usage | Indoor |
| Product Dimensions (with feet) | Approx. 83.2 x 40 x 22 cm (32.3"D x 17.7"H x 8.7"W) |
| Product Dimensions (without feet) | Approx. 83.2 x 40 x 9.7 cm (32.3"D x 17.7"H x 3.8"W) |
| Recommended Uses | Home, Office, Bedroom, Home Office, Study Room |
| Heating Coverage | Up to 430 square feet |
| Fuel Type | Electric |
| Item Weight | Approx. 8 kg (17.6 pounds) |
| Cable Length | 1.5 m |
4. Setup & Installation
4.1 Freestanding Setup
- Carefully unpack the heater and all accessories.
- Attach the included feet (with casters) to the bottom of the heater using the provided screws. Ensure they are securely fastened.
- Place the heater on a stable, level surface, ensuring adequate clearance from walls and other objects. The casters allow for easy movement.
4.2 Wall Mounting
The Klarstein Bornholm heater can also be wall-mounted. Mounting materials (screws and wall anchors) are included.
- Identify a suitable wall location, considering safety clearances (as mentioned in Section 1) and proximity to a power outlet.
- Use the provided wall brackets as a template to mark drilling points on the wall.
- Drill holes and insert wall anchors.
- Securely attach the wall brackets to the wall.
- Carefully hang the heater onto the wall brackets, ensuring it is stable and level.

Figure 2: Heater shown with casters for freestanding use.
5. Operating Instructions
The Klarstein Bornholm heater offers multiple ways to control its functions for maximum convenience.
5.1 On-Device Controls
The heater features an invisible LCD display and touch-sensitive buttons on the top panel for direct control.
- Power Button: Turns the heater on or off.
- Temperature Adjustment: Use the up/down arrows to set the desired temperature (5°C - 45°C).
- Mode Button: Cycle through Comfort, ECO, and Boost heating modes.
- Child Lock: Activate or deactivate the child lock feature to prevent accidental changes.

Figure 3: Digital display and touch controls on the heater's top panel.
5.2 Remote Control
A remote control is included for convenient operation from a distance. It requires 2 AAA batteries (not included).
- Power: Turn the heater on/off.
- Temperature: Adjust the target temperature.
- Modes: Select Comfort, ECO, or Boost mode.
- Timer: Set the automatic shut-off timer (up to 24 hours).
- Child Lock: Activate/deactivate the child lock.

Figure 4: The remote control for the Klarstein Bornholm heater.
5.3 Mobile App Control (Wi-Fi)
Download the dedicated mobile app to control your heater via Wi-Fi. This allows for remote operation and advanced scheduling.
- Download and install the Klarstein app on your smartphone.
- Follow the in-app instructions to connect your heater to your home Wi-Fi network.
- Once connected, you can:
- Turn the heater on/off.
- Adjust the temperature.
- Select heating modes (Comfort, ECO, Boost).
- Set and manage the timer.
- Activate/deactivate the child lock.
- Access additional settings like power levels (750W/1500W), temperature unit (°C/°F), display light control, and mute sound.
- Create custom heating schedules.
Video 1: An official video demonstrating the features and operation of the Klarstein Bornholm heater, including its controls and heating capabilities.
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. Wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the surface.
- Storage: If storing the heater for an extended period, ensure it is clean and dry. Store it in a cool, dry place, preferably in its original packaging, to protect it from dust and damage.
- Inspection: Periodically inspect the power cord and plug for any signs of damage. If any damage is found, discontinue use and contact customer support.
7. Troubleshooting
If you encounter issues with your Klarstein Bornholm heater, refer to the following common troubleshooting steps:
- Heater not turning on:
- Ensure the power cord is securely plugged into a working electrical outlet.
- Check if the main power switch on the device is in the 'ON' position.
- Verify that the child lock is not activated.
- If the heater was recently tipped over, ensure it is upright and try resetting it by unplugging and replugging after a few minutes.
- No heat output:
- Check the set temperature; ensure it is higher than the current room temperature.
- Confirm that the desired heating mode (Comfort, ECO, Boost) is selected.
- If the overheat protection was triggered, the heater might need to cool down before restarting.
- Remote control not working:
- Replace the batteries in the remote control.
- Ensure there are no obstructions between the remote and the heater.
- App connectivity issues:
- Ensure your smartphone is connected to the same Wi-Fi network as the heater.
- Restart the app and/or the heater.
- Check your Wi-Fi signal strength.
8. Warranty & Support
For warranty information, technical support, or any product-related inquiries, please refer to the contact details provided in your product packaging or visit the official KLARSTEIN website.
Always ensure you have your model number (00819885021839US) and purchase date available when contacting support.





