1. Introduction
The BLUEAIR Classic 205 Air Purifier is designed to improve indoor air quality by effectively removing airborne pollutants. Utilizing HEPASilent technology, it captures 99.97% of airborne particles down to 0.1 microns, including dust, mold, pet dander, pollen, and viruses. This model is ideal for small to medium rooms, providing a superior 4.8 air changes per hour.
2. Safety Information
Read all instructions before using the appliance. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Always place the air purifier on a firm, level surface.
- Ensure adequate clearance around air inlets and outlets to allow for proper airflow. Do not block the air vents.
- Keep the appliance out of reach of children and pets.
- Use only with the specified voltage.
- Do not operate the air purifier near water or in excessively humid environments.
- Unplug the appliance before cleaning or performing any maintenance.
- This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
3. Package Contents
Verify that all items are present in the package:
- BLUEAIR Classic 205 Air Purifier
- 1 Particle Filter (pre-installed)
- Product Documentation
4. Setup
- Unpack the Air Purifier: Carefully remove the unit from its packaging.
- Position the Unit: Place the air purifier on a flat, stable surface. For optimal performance, ensure there is at least 8 inches of clearance around all sides and the top of the unit.
- Check Filter Installation: The particle filter comes pre-installed. No immediate action is required for initial setup.
- Connect to Power: Plug the power cord into a grounded electrical outlet.

Figure 1: The BLUEAIR Classic 205 Air Purifier in white, highlighting its compact dimensions (8"D x 17"W x 21"H) suitable for small to medium rooms. The device features a sleek design with a fabric pre-filter covering the lower section and a control panel on top.
5. Operating Instructions
The BLUEAIR Classic 205 features an intuitive touch control panel on its top surface for easy operation.
- Power On/Off: Press the power button on the control panel to turn the unit on or off.
- Fan Speed Control: Cycle through 3 fan speeds (low, medium, high) by pressing the fan speed button. Low and medium speeds are designed for quiet operation, while high speed provides maximum air purification.
- Night Mode: Activate night mode for reduced fan speed and dimmed indicator lights, ensuring undisturbed sleep.
- Wi-Fi Connectivity: The unit is Wi-Fi enabled, allowing control via the Blueair Friend app (available for iOS and Android) and compatibility with Amazon Alexa. Connect to a 802.11 b/g/n router on a 2.4GHz Wi-Fi network band. Supports Open, WEP, WPA, & WPA2 network security.
- Timer Function: Set a timer for automatic shutdown after a specified period.
- Air Quality Indicator: The top panel displays real-time air quality readings (e.g., PM1, PM2.5). The indicator light changes color to reflect air quality: Green (Excellent), Blue (Good), Orange (Moderate), Red (Polluted).
Video 1: This video showcases the BLUEAIR Classic 205 Air Purifier in a home setting, demonstrating its seamless integration into various living spaces and highlighting its quiet operation and design.
Video 2: An official product video detailing the features and benefits of the Blueair Classic 205 Air Purifier, including its True HEPA performance and HEPASilent filtration technology for allergen and dust removal.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your air purifier.
- Filter Replacement: The particle filter should be replaced approximately every 6 months, depending on usage and environmental conditions. The Blueair Friend app will alert you when it's time to change the filter.
- Cleaning the Fabric Pre-filter: The outer fabric pre-filter can be removed and hand-washed to remove larger dust particles and pet dander. Allow it to air dry completely before reattaching.
- Internal Cleaning: Periodically remove the top section and vacuum any accumulated debris from the internal fan and housing.

Figure 2: A side profile of the BLUEAIR Classic 205 Air Purifier, emphasizing its minimalist aesthetic and the textured fabric covering the air intake, which serves as a washable pre-filter.
7. Troubleshooting
If you encounter issues with your BLUEAIR Classic 205, refer to the following common solutions:
- Unit Not Turning On: Ensure the power cord is securely plugged into a working electrical outlet. Check if the outlet is receiving power.
- Excessive Noise: On high fan speed, some noise is normal. If noise is excessive on lower settings, check for obstructions in the air inlets/outlets or if the filter is correctly seated.
- Poor Air Purification: Ensure the filter is not overdue for replacement. Check for blocked air vents. For persistent issues, consult the app's air quality readings for detailed information.
- Wi-Fi Connectivity Issues: Verify your router is 802.11 b/g/n compatible and operating on the 2.4GHz band. Ensure correct network security settings (Open, WEP, WPA, or WPA2).
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | Classic 205 |
| Brand | BLUEAIR |
| Color | White |
| Product Dimensions | 8"D x 17"W x 21"H |
| Item Weight | 22 Pounds |
| Filter Class | HEPASilent |
| Noise Level | 56 Decibels (on highest setting) |
| Controller Type | Amazon Alexa, Vera, Touch Panel, Blueair Friend App |
| Specification Met | AHAM Certified |
| UPC | 689122004990 |
9. Warranty & Support
For detailed warranty information, product registration, and customer support, please refer to the official product documentation included in your package or visit the official BLUEAIR website. You can also find additional support and FAQs through the Blueair Friend app.





