1. Introduction
The HOLMES 9" Twin Digital Window Fan is designed to provide efficient air circulation and cooling for your home. Featuring dual blades with electronically reversible airflow, this fan can draw fresh air in, exhaust stale air out, or facilitate simultaneous air exchange. It includes three speed settings, a digital control panel, and a convenient remote control for ease of use. Built-in extender panels ensure a custom fit for most double-hung and slider windows, and removable feet allow for versatile tabletop or floor placement.
2. Important Safety Instructions
Please read and save these important safety instructions before using this fan. Failure to follow these instructions may result in fire, electric shock, injury, or property damage.
- Always unplug the fan before cleaning, servicing, or relocating.
- Do not immerse the fan in water or allow water to drip into the motor housing.
- Keep fingers or other objects away from the fan blades and openings during operation.
- Do not operate any fan with a damaged cord or plug. Discard fan or return to an authorized service facility for examination and/or repair.
- 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.
- This fan is intended for indoor use only. Do not use outdoors.
- Close supervision is necessary when any appliance is used by or near children.
3. Package Contents
Verify that all items are present in your package:
- HOLMES 9" Twin Digital Window Fan Unit
- Remote Control
- 2 Removable Sturdy Feet
- Built-in Expandable Extender Panels
- Sealing Tape (for optimal window fit)

Image: The HOLMES 9" Twin Digital Window Fan shown with its removable feet attached, alongside the remote control.
4. Setup and Installation
4.1 Window Installation
- Open your double-hung or slider window to the desired width.
- Place the fan unit into the window opening. The fan is designed to fit window openings from 23.5" to 35.5" wide.
- Extend the built-in side extender panels until they firmly contact the window frame, securing the fan in place.
- Lower the window sash or slide the window pane down/across until it rests securely against the top of the fan unit.
- For optimal sealing and energy efficiency, apply the provided sealing tape to any gaps between the fan and the window frame.

Image: The HOLMES 9" Twin Digital Window Fan shown installed in a window, demonstrating its fit and function.
4.2 Tabletop or Floor Use
For freestanding use, attach the two removable sturdy feet to the bottom of the fan unit. Ensure they are securely snapped into place before placing the fan on a flat, stable surface.

Image: The HOLMES 9" Twin Digital Window Fan with its removable feet attached, ready for tabletop or floor use.
5. Operating Instructions
5.1 Digital Control Panel
The fan features an easy-to-use digital control panel located on the top of the unit.
- Power Button: Press to turn the fan ON or OFF.
- Speed Button: Press repeatedly to cycle through 3 speed settings: Low, Medium, High.
- Airflow Mode Button: Press repeatedly to select the desired airflow direction:
- Intake: Both fans draw fresh air into the room.
- Exhaust: Both fans push stale air out of the room.
- Exchange: One fan draws air in, and the other exhausts air out, facilitating simultaneous air circulation.

Image: Detailed view of the digital control panel, highlighting speed and airflow mode buttons.
5.2 Remote Control
The included remote control allows you to operate the fan conveniently from a distance. The buttons on the remote mirror the functions of the digital control panel:
- Power: Turns the fan ON/OFF.
- Mute: Mutes audible button presses.
- Speed: Adjusts fan speed (Low, Medium, High).
- Intake: Sets both fans to draw air in.
- Exhaust: Sets both fans to push air out.
- Exchange: Sets one fan to intake and one to exhaust.

Image: The remote control unit, showing its various function buttons.
5.3 Airflow Demonstration (Video)
Video: A demonstration of the fan's airflow capabilities, showing how it can be set to intake, exhaust, or exchange air to maintain comfort.
6. Maintenance
Regular cleaning helps maintain the fan's performance and extends its lifespan.
- Always ensure the fan is OFF and unplugged from the power outlet before cleaning.
- Wipe the exterior surfaces of the fan with a soft, damp cloth. Do not use abrasive cleaners or harsh chemicals.
- The fan blades are not designed to be removed for cleaning. Use a vacuum cleaner with a brush attachment to gently remove dust and debris from the fan grilles and blades.
- If using the optional bug screen/humidity catcher (not included with this specific model but may be available separately), clean it according to its specific instructions.
- Store the fan in a cool, dry place when not in use.
7. Troubleshooting
If your fan is not operating as expected, please refer to the following common issues:
- Fan does not turn ON: Ensure the power cord is securely plugged into a working electrical outlet. Check if the power button on the unit or remote has been pressed.
- Reduced airflow: Verify that the fan grilles are not obstructed by dust or debris. Clean the fan as described in the Maintenance section. Ensure the fan is set to a higher speed if more airflow is desired.
- Unusual noise: Check for any foreign objects caught in the fan blades. Ensure the fan is installed securely in the window or placed stably on its feet to prevent rattling.
- Remote control not working: Check and replace the batteries in the remote control if necessary. Ensure there are no obstructions between the remote and the fan's sensor.
If these steps do not resolve the issue, please contact HOLMES customer support for further assistance.
8. Specifications
| Brand | HOLMES |
| Model Name | 9" Twin Digital Window Fan |
| Model Number | 32510394 |
| Color | White |
| Style | Digital Control w/ Remote |
| Product Dimensions | 23.23"D x 5.51"W x 12.6"H |
| Window Fit | 23.5" to 35.5" (with extender panels) |
| Power Source | AC |
| Number of Blades | 5 (per fan) |
| Speed Settings | 3 (Low, Medium, High) |
| Airflow Capacity | Up to 850 CFM |
| Noise Level | 55 Decibels |
| Control Method | Remote, Digital Controls |
| Certification | ETL Certified |
9. Warranty and Support
This HOLMES 9" Twin Digital Window Fan is backed by a 3-year limited warranty. For warranty claims, product support, or further inquiries, please refer to the contact information provided in your product packaging or visit the official HOLMES website.





