Introduction
The STARLYF Therma Boost is a radiator amplifier designed to enhance the heating efficiency of your home. This device optimizes heat distribution by redirecting warm air from your radiator into the room, preventing heat from rising directly to the ceiling. Its innovative technology accelerates the heating process, ensuring a more uniform and comfortable temperature throughout your space.
Beyond its primary function, the Therma Boost is a versatile and portable unit. Its compact design allows for easy placement on various radiators, adapting to your home's layout. It also aids in accelerating laundry drying by directing warm air towards clothes, potentially reducing the need for electric dryers and contributing to energy savings.

Image: Front view of the STARLYF Therma Boost Radiator Amplifier, displaying its compact design and digital temperature reading.
Important Safety Information
- Read all instructions before use.
- Keep the device away from water or excessive moisture.
- Do not block the air inlets or outlets.
- Ensure the device is placed securely on the radiator.
- Do not attempt to disassemble or repair the device yourself. Contact qualified personnel for service.
- Use only the provided USB cable for charging.
- Keep out of reach of children.
Package Contents
- STARLYF Therma Boost Radiator Amplifier
- USB Charging Cable (1.6 meters)
- User Manual (this document)
Setup and Installation
The STARLYF Therma Boost is designed for easy, tool-free placement on your radiator. No complex installation is required.
- Charging the Device: Before initial use, fully charge the Therma Boost using the provided USB cable. Connect the USB-C end to the device's charging port and the USB-A end to a compatible USB power adapter (not included) or computer port. The LED display may indicate charging status.
- Placement on Radiator: Carefully place the Therma Boost on top of your radiator. Ensure it is stable and does not obstruct any radiator vents. The device is designed to fit various radiator types.

Image: A user demonstrating the simple placement of the Therma Boost on a radiator.

Image: Detailed diagram of the Therma Boost, highlighting its components and controls.
Operating Instructions
The Therma Boost can operate cordlessly on its internal battery or while connected via the USB cable.
- Power On/Off: Locate the ON/OFF switch on the side of the device (refer to the diagram in the Setup section). Toggle the switch to turn the device on or off.
- Speed Settings: The device features a speed switch to adjust the fan intensity. Select between 'Low' and 'High' modes to control the airflow and heat distribution rate.
- Auto Switch Function: The Therma Boost is equipped with an auto-switch feature, likely a thermostat control. This allows the device to automatically activate or deactivate based on the ambient temperature or radiator heat, optimizing energy use. Consult the device's LED display for temperature readings and operational status.
- Heat Distribution: Once activated, the internal fans will draw warm air from the radiator and propel it forward into the room, enhancing heat circulation.

Image: Visual representation of the Therma Boost's function, showing enhanced warm air circulation.
Care and Maintenance
- Cleaning: Ensure the device is turned off and unplugged before cleaning. Wipe the exterior with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
- Air Vents: Periodically check the air inlets and outlets for dust accumulation. Gently clean with a soft brush or vacuum cleaner to maintain optimal airflow.
- Storage: When not in use for extended periods, store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Battery is depleted. | Charge the device using the provided USB cable. |
| Weak airflow. | Air vents are blocked by dust or debris. | Clean the air inlets and outlets. |
| Device not effectively distributing heat. | Incorrect placement on radiator; radiator not hot enough. | Ensure proper placement. Verify radiator is producing heat. |
| Device makes unusual noise. | Internal obstruction or fan issue. | Turn off the device. If noise persists, contact customer support. Do not attempt to open. |
Specifications
- Brand: STARLYF
- Model Number: CHAUF05
- Color: White
- Dimensions (L x W x H): 8.7 x 11.5 x 9.6 cm
- Weight: 1.15 kg
- Electrical Input (Charging): 5V-2A (via USB)
- Power: 10W
- Battery: 3 Lithium-ion (included)
- Battery Capacity: 4500 mAh or 6600 mAh (depending on model)
- USB Cable Length: 1.6 meters (USB-C / USB)
- Special Features: Efficient heat redistribution, energy saving, versatile functionality (cordless/wired), quick laundry drying, modern design, LED display, thermostat control, 2 speed modes.
- UPC: 644812062605
Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact STARLYF customer service through their official website or the retailer where the product was purchased.
Please retain your proof of purchase for any warranty claims.





