Important Safety Instructions
Please read and understand all safety instructions before using this appliance. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always plug heaters directly into a wall outlet/receptacle. Never use with an extension cord or relocatable power tap (outlet/power strip).
- This heater is hot when in use. To avoid burns, do not let bare skin touch hot surfaces. Use handles when moving this heater.
- Keep combustible materials, such as furniture, pillows, bedding, papers, clothes, and curtains at least 3 feet (0.9 m) from the front of the heater and keep them away from the sides and rear.
- Extreme caution is necessary when any heater is used by or near children or invalids and whenever the heater is left operating and unattended.
- Always unplug heater when not in use.
- Do not operate any heater with a damaged cord or plug or after the heater malfunctions, has been dropped or damaged in any manner.
- Do not use outdoors.
- To disconnect heater, turn controls to OFF, then remove plug from outlet.
- Do not insert or allow foreign objects to enter any ventilation or exhaust opening as this may cause an electric shock or fire, or damage the heater.
- To prevent a possible fire, do not block air intakes or exhaust in any manner. Do not use on soft surfaces, like a bed, where openings may become blocked.
- This heater has internal tip-over protection. If the heater is accidentally knocked over, it will automatically shut off. Ensure the heater is placed on a stable, flat surface.
- This heater is equipped with overheating protection. If the heater overheats, it will automatically shut off. Unplug the heater and allow it to cool down before restarting.
- ETL certified for safety and peace of mind.
Product Overview
The KNKA Space Heater is designed to provide efficient and comfortable heating for indoor spaces. It features advanced PTC ceramic heating technology, multiple operating modes, and comprehensive safety features.
Key Features:
- Realistic 3D Flame Effect: Enjoy the cozy ambiance of flickering firelight.
- Fast Heating: Utilizes 1500W PTC ceramic heating system to warm rooms quickly (up to 750F in 2 seconds).
- Comprehensive Safety Protection: ETL certified with tip-over protection, V-0 grade flame retardant materials, overheating protection, and enhanced safety plug.
- Multiple Temperature Modes: Offers LO (900W), HI (1500W), ECO (410F~950F), and Fan Only modes.
- 900 Oscillation: Distributes heat evenly across a wider area.
- ECO Thermostat & Energy Saving: Precise temperature control in ECO mode, automatically adjusting power to maintain desired temperature.
- Silent Operation: Operates at a low noise level of 34 decibels for quiet sleep.
- 12-Hour Timer: Set the heater to automatically turn off after a specified duration.
- Remote Control: Conveniently adjust settings from a distance.
- Compact and Portable: Lightweight design with a portable handle for easy relocation.

Setup
- Unpack: Carefully remove the space heater and all accessories from the packaging. Retain packaging for future storage or transport.
- Placement: Place the heater on a firm, level surface. Ensure there is at least 3 feet (0.9 m) of clear space around the heater from any walls, furniture, or other objects to allow for proper airflow and prevent fire hazards.
- Power Connection: Plug the heater directly into a 120V AC, 60Hz wall outlet. Do not use extension cords, power strips, or surge protectors.
- Remote Control Setup: The remote control may have a plastic tab to prevent battery drain during shipping. Remove this tab before first use.

Operating Instructions
Control Panel and Display:
The control panel is located on the top of the heater. It features touch-sensitive buttons and a digital LED display showing the current temperature and settings.

Functions:
- Power Button (
): Press to turn the heater ON or OFF. - Mode Button (
): Cycle through the 4 temperature modes:- LO (900W): For warm comfort and relaxation.
- HI (1500W): For quick room-warming.
- ECO (410F~950F): Energy-saving mode with precise temperature control. The heater will automatically switch between 1500W and 900W, or enter standby mode, to maintain the set temperature.
- Fan Only: Provides natural ventilation without heat.
- Temperature Adjustment (+/- Buttons): Adjust the desired temperature in ECO mode between 410F and 950F in 110F increments.
- Oscillation Button (
): Activates or deactivates the 900 oscillation function for wider heat distribution. - Timer Button (
): Set the auto-off timer from 1 to 12 hours. - Flame Function Button (
): Turn the 3D flame effect ON or OFF.

Remote Control:
The included remote control mirrors all functions available on the heater's control panel, allowing for convenient operation from a distance.
Operational Tips:
- When turning the heater off, it will blow natural air for 30 seconds to cool down the internal components before fully shutting off. This is a normal protective measure.
- Temperature adjustment is only available in ECO mode. In LO or HI modes, the heater will operate at a fixed power output.
Official Product Videos:
Video 1: Overview of the KNKA 1500W Space Heater, demonstrating its features and operation for home and office use.
Video 2: Demonstration of the portable space heater with remote and timer functions for indoor use.
Maintenance
- 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: 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.
- Air Intake/Exhaust: Regularly check the air intake and exhaust vents for dust or debris buildup. Use a vacuum cleaner with a brush attachment to gently clean these areas.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No power to the unit; Tip-over switch activated; Overheat protection activated. | Ensure the heater is securely plugged into a working outlet. Check if the heater is on a stable, flat surface. If it was tipped, place it upright. Unplug the heater, wait 30 minutes for it to cool down, then plug it back in. |
| Touchscreen/Display is not working or unresponsive. | Temporary software glitch; Remote control battery issue. | Unplug the heater from the wall outlet for a few minutes, then plug it back in. This may reset the system. For remote control issues, ensure the battery is correctly inserted and replace it if necessary. |
| Heater turns off unexpectedly. | Tip-over protection activated; Overheat protection activated; Timer function reached. | Ensure the heater is on a stable surface. Unplug and allow to cool if overheated. Check if the timer was set to automatically turn off the unit. |
| Heat output is not consistent in ECO mode. | Normal operation of ECO mode. | In ECO mode, the heater will cycle between high, low, and standby to maintain the set temperature. This is intended behavior for energy efficiency. |
Specifications
| Feature | Detail |
|---|---|
| Brand | KNKA |
| Model Number | GD9215AD22 |
| Power Output | 1500W (High), 900W (Low) |
| Voltage | 120 Volts |
| Amperage | 12.5 Amps |
| Heating Technology | PTC Ceramic |
| Temperature Range (ECO Mode) | 410F - 950F |
| Oscillation | 900 |
| Timer | 1-12 Hours |
| Noise Level | 34 decibels |
| Product Dimensions | 7.48"D x 7.36"W x 11.02"H |
| Item Weight | 3 pounds |
| Safety Certifications | ETL Certified |
Warranty and Support
For warranty information and customer support, please refer to the manufacturer's official website or contact their customer service directly. Keep your purchase receipt for any warranty claims.
An official User Manual (PDF) is also available for download: Download User Manual



