1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your atomberg Efficio 250mm Exhaust Fan. Please read these instructions carefully before using the product and retain them for future reference.

Image: Front view of the atomberg Efficio 250mm Exhaust Fan in white.
2. Product Features
The atomberg Efficio Exhaust Fan is designed for optimal ventilation in bathrooms and kitchens, incorporating advanced technology for performance and efficiency.
- Sleek and Stylish Design: Constructed with durable ABS material.
- BLDC Motor Technology: Energy-efficient, saving up to 65% in electricity consumption compared to ordinary exhaust fans.
- Silent Operation: Engineered for quiet performance while delivering high air circulation.
- High Air Delivery: Provides 1150 CMM (Cubic Meters per Minute) with 1300 RPM (Revolutions Per Minute).
- Easy Maintenance: Designed for simple cleaning procedures.
- Integrated Back Flap: Prevents insects from entering the premises.
- Simple Installation: Easy to install and uninstall.

Image: Visual representation of the key features of the Efficio Exhaust Fan, including BLDC motor, silent operation, and back flaps.
3. Package Contents
Upon unpacking, please ensure all the following items are present:
- atomberg Efficio Exhaust Fan (250mm, White)
- Extended Warranty Card
- User Manual (this document)
4. Specifications
| Specification | Detail |
|---|---|
| Brand | atomberg |
| Model Name | Efficio |
| Size | 250mm (10 Inches) |
| Colour | White |
| Electric Fan Design | Exhaust Fan |
| Power Source | Corded Electric |
| Product Dimensions (D x W x H) | 39.2D x 19.2W x 40H Centimeters |
| Room Type | Kitchen, Bathroom |
| Mounting Type | Wall Mount |
| Wattage | 20 Watts |
| Speed | 1300 RPM |
| Voltage | 220-240V |
| Number of Speeds | 1 |
| Control Method | Button Control / Touch |
| Material Type | ABS Plastic |
| Blade Material | Plastic |
| Item Weight | 1.9 Kilograms |
| Indoor/Outdoor Usage | Indoor |

Image: Dimensional drawing for Efficio exhaust fans, including the 250mm (10 inch) model, showing measurements for installation.
5. Setup and Installation
The atomberg Efficio Exhaust Fan is designed for wall-mounted installation. For optimal performance and safety, professional installation is recommended. Refer to the dimensional drawing in the specifications section for precise cut-out sizes.
Installation Steps:
- Prepare the Opening: Ensure the wall opening matches the fan's dimensions (Length x Width: 290mm for the 250mm model).
- Mount the Fan: Securely place the fan into the prepared opening.
- Electrical Connection: Connect the fan to a suitable power supply (220-240V) as per local electrical codes. Ensure the power is off during connection.
- Test Operation: Once installed, turn on the power and test the fan's operation.
For assistance with installation, atomberg offers doorstep installation services. You can contact support for more details.

Image: Illustration of professional installation services available for atomberg products.
6. Operating Instructions
The atomberg Efficio Exhaust Fan features simple button control for operation.
- Power On/Off: Press the designated button to turn the fan on or off.
- Speed Control: This model operates at a single speed (1300 RPM) for consistent ventilation.
Ensure the fan is connected to a stable power source before operation.
7. Maintenance
Regular cleaning and maintenance will ensure the longevity and efficient performance of your exhaust fan.
Cleaning Instructions:
- Disconnect Power: Always switch off the power supply to the fan at the main circuit breaker before cleaning.
- Clean Exterior: Wipe the exterior surfaces of the fan with a soft, damp cloth. Avoid using abrasive cleaners or solvents.
- Clean Blades and Grille: Carefully remove any dust or debris from the fan blades and protective grille. A soft brush or vacuum cleaner attachment can be used.
- Reassemble: Ensure all parts are dry before restoring power.
The fan is designed for easy cleaning and does not require lubrication.
8. Troubleshooting
If you encounter issues with your atomberg Efficio Exhaust Fan, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not turn on | No power supply; Loose wiring; Faulty switch | Check power connection and circuit breaker; Ensure wiring is secure; Test the switch. |
| Reduced airflow | Blocked grille or blades; Obstruction in exhaust duct | Clean fan blades and grille; Check and clear any obstructions in the ducting. |
| Unusual noise or vibration | Loose mounting; Debris in fan; Damaged blades | Ensure fan is securely mounted; Disconnect power and check for debris; Inspect blades for damage. |
| Back flap not closing properly | Debris obstructing flap; Damaged flap mechanism | Clean any debris around the back flap; Contact support if mechanism is damaged. |
If the problem persists after attempting these solutions, please contact atomberg customer support.
9. Warranty and Support
Your atomberg Efficio Exhaust Fan comes with a comprehensive warranty and dedicated customer support.
Warranty Information:
- Standard Warranty: 1 year from the date of purchase.
- Extended Warranty: An additional 1 year of warranty upon product registration.
Please refer to the Extended Warranty Card included in your package for detailed terms and conditions.
Customer Support:
For any queries, technical assistance, or warranty claims, please contact atomberg customer support:
- Email: support@atomberg.com
- Website: www.atomberg.com
- Toll-Free Number: 84484 49442
atomberg maintains a PAN India Service Network with over 500 service centers across 16,000+ pincodes to provide prompt assistance.

Image: Information on atomberg's warranty policy and registration process.





