1. Important Safety Information
Please read and understand all instructions before using this appliance. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- This heater is equipped with a bathroom-safe ALCI plug for enhanced safety.
- Do not use this product in or near a bathtub, shower, or swimming pool.
- Always plug the heater directly into a wall outlet. Never use with an extension cord or relocatable power tap.
- Ensure the electrical outlet is suitable for the heater's power requirements (1500 watts).
- Do not cover the heater or block air intake/output vents. Maintain adequate clearance around the heater.
- Keep flammable materials such as furniture, pillows, bedding, papers, clothes, and curtains at least 3 feet (0.9 meters) from the front of the heater and away from the sides and rear.
- Do not operate any heater with a damaged cord or plug, or after the heater malfunctions or has been dropped or damaged in any manner.
- Unplug the heater when not in use.
2. Product Overview
The Holmes Digital Bathroom Heater Fan, Model HFH436WGL-UM, is a wall-mountable electric space heater designed for indoor bathroom use. It features easy-to-adjust digital controls, a pre-heat timer, and a maximum heat output of 1500 watts. The unit includes a digital thermostat with a clock and a bathroom-safe ALCI plug.


3. Setup
- Carefully unpack the heater and all packaging materials. Retain packaging for future storage if needed.
- Place the heater on a firm, level, heat-resistant surface. Ensure it is not placed on soft surfaces like bedding or carpets that could block airflow.
- Plug the ALCI safety plug directly into a 120V AC electrical outlet. Do not use extension cords or power strips.
- For wall mounting, follow the detailed instructions provided in the separate mounting guide (not included in this manual).
4. Operating Instructions
The Holmes Digital Bathroom Heater Fan features intuitive digital controls for easy operation.

- Power On/Off: Use the designated power button on the digital control panel to turn the heater on or off.
- Heat Settings: The unit operates with 1 heat setting, providing a maximum output of 1500 watts.
- Digital Thermostat: Adjust the digital thermostat to your desired room temperature. The heater will cycle on and off to maintain this setting.
- Pre-Heat Timer: Utilize the pre-heat timer function to program the heater to turn on and warm the bathroom before you enter. Refer to the display for setting the timer.
- Digital Clock: The control panel includes a digital clock display.
5. Maintenance
Proper maintenance ensures optimal performance and longevity of your heater.
- Always unplug the heater before cleaning.
- Use a soft, damp cloth to clean the exterior surfaces. Do not use abrasive cleaners or solvents.
- Ensure the air intake and output vents are clear of dust and debris. Use a vacuum cleaner with a brush attachment to gently clean these areas.
- Do not immerse the heater in water or allow water to drip into the interior.
6. Troubleshooting
If your heater experiences issues, try the following steps:
- Heater not turning on: Ensure the ALCI plug is securely inserted into the wall outlet. Check if the outlet is functioning correctly. The heater may have a tip-over safety switch; ensure it is placed on a firm, level surface.
- Heater stops working unexpectedly: Unplug the heater from the electrical outlet for at least 30 minutes. This can reset the electronic components. After 30 minutes, plug it back in and attempt to operate it again. Power fluctuations or brief power outages can sometimes trigger this behavior.
- Insufficient heat output: Verify that the thermostat is set to a temperature higher than the current room temperature. Ensure no objects are blocking the air intake or output vents.
7. Specifications
| Brand | Holmes |
| Model Number | HFH436WGL-UM |
| Color | White |
| Special Feature | Timer |
| Form Factor | Wall-mounted, Fan & forced air |
| Indoor/Outdoor Usage | Indoor |
| Recommended Uses | Bathroom |
| Heating Coverage | 50-75 square feet |
| Fuel Type | Electric |
| Number of Speeds | 1 |
| Max Heat Output | 1500 watts |
| Product Dimensions | 10.35 x 12.83 x 8.19 inches |
| Item Weight | 3.3 pounds |
| Noise Level | Max. 60dB (measured 1.5m distance) |
8. Warranty and Support
This Holmes Digital Bathroom Heater Fan comes with a 1 Year Limited Warranty.
For further assistance or warranty claims, please refer to the contact information provided in your product packaging or visit the official Holmes website.





