Important Safety Instructions
Please read all instructions carefully before installing, operating, or servicing this electric fireplace insert. Failure to follow these instructions may result in fire, electric shock, serious injury, or property damage. Keep this manual for future reference.
- This appliance is hot when in use. To avoid burns, do not let bare skin touch hot surfaces.
- 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.
- Extreme caution is necessary when any heater is used by or near children or invalids and whenever the heater is left operating and unattended.
- 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 run cord under carpeting. Do not cover cord with throw rugs, runners, or similar coverings. Arrange cord away from traffic area and where it will not be tripped over.
- To disconnect the 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 product is equipped with an overheat protection feature. If the heater overheats, it will automatically shut off. To reset, unplug the unit from the electrical outlet for 15 minutes, then plug it back in.
- Only connect to properly grounded outlets.
- This electric fireplace is for indoor use only.
CSA Certified: This product is certified by CSA, ensuring it meets applicable safety and performance standards.
Product Overview
The HolliWill 23-inch Electric Fireplace Insert Heater provides realistic flame effects and efficient heating for your indoor space. It features adjustable flame brightness, a built-in timer, and thermostat control for personalized comfort.
Key Features:
- Realistic Flame Effect: LED display with glowing log and ember bed, offering 3 brightness levels.
- Efficient Heating: 4760 BTU heater capable of warming up to 300 square feet.
- Adjustable Thermostat: Temperature range from 62°F to 82°F.
- Built-in Timer: Auto-shut off function adjustable from 0.5 to 6 hours.
- Dual Control: Operable via control panel on the unit or included remote control.
- Safety Features: Overheat protection and CSA certification.
- Year-Round Use: Flame effect can be operated independently of the heating function.
Components:
- Electric Fireplace Insert Unit
- Remote Control
- User Manual (this document)
Setup and Installation
This electric fireplace insert is designed for recessed installation into a compatible fireplace opening, entertainment center, or wall unit. Ensure the opening dimensions are suitable for the unit.
Unpacking:
- Carefully remove the fireplace insert from its packaging.
- Retain the packaging for future storage or transport.
- Inspect the unit for any signs of damage. If damaged, do not install or operate, and contact customer support.
Placement and Clearance:
- Ensure the chosen location is on a flat, stable surface.
- Maintain a minimum clearance of 3 feet (0.9 m) from combustible materials (curtains, furniture, bedding) to the front of the heater.
- Ensure adequate ventilation around the unit. Do not block air intake or exhaust vents.
- Locate the unit near a grounded electrical outlet.
Installation Steps:
- Measure the opening where the fireplace insert will be placed. The insert dimensions are approximately 23" W x 17.56" H x 5" D.
- Carefully slide the electric fireplace insert into the prepared opening. Ensure it fits snugly and is level.
- Plug the power cord into a standard 120V, 60Hz grounded electrical outlet. Do not use extension cords or power strips.
- Verify that all safety clearances are maintained.

Image: Dimensional diagram of the electric fireplace insert, showing a width of 23 inches, height of 17.56 inches, and depth of 5 inches, along with other detailed measurements for installation.

Image: The HolliWill electric fireplace insert seamlessly integrated into a decorative white fireplace mantel in a modern living room, showcasing its aesthetic appeal.
Operating Instructions
The fireplace insert can be operated using the control panel on the unit or the included remote control.
Control Panel and Remote Control:

Image: A detailed view of the fireplace's control panel, highlighting buttons for flame control, power, timer, and heater control. Alongside it is the remote control, showing corresponding buttons for easy operation.
Power On/Off:
- Press the Power Button (symbol: circle with vertical line) on the control panel or remote to turn the unit on or off.
Flame Control:
- Press the Flame Control Button (symbol: flame) to cycle through 3 brightness levels (L1, L2, L3).
- The flame effect can be used independently without the heater function.

Image: Visual representation of the three faux flame brightness settings (L1, L2, L3), demonstrating the varying intensity of the realistic flame effect.
Heater Control and Thermostat:
- Press the Heater Control Button (symbol: thermometer) to activate or deactivate the heating function.
- Use the Heater Up (symbol: up arrow) and Heater Down (symbol: down arrow) buttons to adjust the temperature between 62°F and 82°F.
- The heater will automatically turn off once the set temperature is reached and reactivate if the room temperature drops.

Image: The electric fireplace unit showing its digital display with a temperature setting of 73°F, indicating its 4760 BTU heating power and the adjustable temperature range from 62°F to 82°F.
Timer Function:
- Press the Timer Control Button (symbol: clock) to set the auto-shut off timer.
- The timer can be set from 0.5 hours to 6 hours in 0.5-hour increments.
Maintenance
Regular maintenance ensures optimal performance and longevity of your electric fireplace insert. Always unplug the unit before performing any cleaning or maintenance.
Cleaning:
- Exterior: Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners, sprays, or harsh chemicals.
- Glass Panel: Clean the glass panel with a soft cloth and a glass cleaner. Do not scratch the glass.
- Vents: Use a vacuum cleaner with a brush attachment to gently remove dust from the air intake and exhaust vents. Ensure vents are clear of obstructions.
Storage:
- If storing the unit for an extended period, unplug it and allow it to cool completely.
- Store in a dry, cool location, preferably in its original packaging to protect it from dust and damage.
Troubleshooting
If you experience issues with your electric fireplace insert, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. |
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| No heat, but flames are visible. |
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| Flames are not visible or dim. |
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| Remote control not working. |
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If the problem persists after trying these solutions, please contact customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Name | HH-EF-23-AM1 |
| Brand | HolliWill |
| Product Dimensions (D x W x H) | 5" x 23" x 17.56" |
| Material | Metal, Tempered Glass |
| Color | Black |
| Power Source | Corded Electric |
| Power Consumption | 1400 Watts |
| Heating Element | Quartz |
| Heating Coverage | Up to 300 sq ft |
| BTU Output | 4760 BTU |
| Temperature Range | 62°F to 82°F |
| Timer Settings | 0.5 to 6 hours |
| Flame Brightness Levels | 3 (L1, L2, L3) |
| Safety Features | Overheat Protection, CSA Certified |
| Included Components | Remote Control |
Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official HolliWill website. Keep your purchase receipt as proof of purchase for warranty claims.
If you require assistance with installation, operation, or troubleshooting beyond what is covered in this manual, please contact HolliWill customer service.
- Manufacturer: HolliWill
- Website: Visit the HolliWill Store on Amazon (for general brand information)
- Contact: Refer to your product packaging or the HolliWill website for specific customer support contact details.