1. Introduction
The DREO Smart Pet Air Purifier DR-HAP009AS is designed to improve indoor air quality, particularly in homes with pets. This device features a multi-stage filtration system and smart controls for convenient operation.
Key features include:
- AHAM Verified Performance: Independently tested with a 145 CFM Clean Air Delivery Rate (CADR), refreshing air in rooms up to 224 sq. ft. every 12.4 minutes (4.8 ACH).
- Smart Air Management: Control via the DREO App, Alexa, or Google Assistant. Features a PM2.5 sensor for real-time air quality monitoring and an Auto Mode that adjusts fan speed automatically.
- Pet Filter System with Odor Control: Includes a replaceable pet hair pre-filter, a high-efficiency HEPA filter for fine particles (PM2.5, dust, pollen, smoke), and activated carbon for pet and household odors.
- Pet Safety Protection: Equipped with Tip-Over Protection, an Anti-Chew Power Cord, and a Pet Lock to prevent unintended changes.
- HyperSilent Sleep Mode: Operates at a low noise level (as low as 18 dB) with an auto-off display for an undisturbed sleep environment.
2. Safety Instructions
Please read and follow all safety instructions before using this appliance to prevent fire, electric shock, injury, or damage.
- Always place the air purifier on a firm, level surface.
- Keep the appliance away from heat sources, direct sunlight, and moisture.
- Do not block air inlets or outlets. Maintain at least 15 inches (38 cm) clearance from walls and other appliances.
- Ensure the power cord is not damaged or placed under heavy objects.
- Unplug the air purifier before cleaning, maintenance, or moving.
- Do not operate the appliance with a damaged cord or plug.
- This appliance is for indoor use only.
- Keep out of reach of children and pets. The Pet Lock feature helps prevent accidental changes.
- Only use DREO authorized replacement filters.
3. Package Contents
Verify that all components are present upon unpacking:
- 1 × DREO Air Purifier (DR-HAP009AS)
- 1 × Filter (pre-installed)
- 1 × Bottom Cover
- 1 × User Manual
- 6 × FiberCatch Pre-Filter (1 pre-installed)
4. Product Diagram
Familiarize yourself with the components of your DREO Air Purifier.

Image: DREO Air Purifier 539AS in a living room setting, highlighting its 360-degree air intake.

Image: Close-up view of the top control panel and digital display.
5. Setup
5.1 Unpacking and Filter Installation
- Remove the air purifier from its packaging.
- Turn the unit upside down and twist the bottom cover counter-clockwise to unlock and remove it.
- Remove the plastic packaging from the pre-installed filter and the main filter.
- Insert the main filter into the unit, ensuring it is seated correctly.
- Place a FiberCatch pre-filter around the main filter.
- Replace the bottom cover and twist clockwise to lock it securely.

Image: Diagram illustrating the multi-layer filtration system, including the FiberCatch pre-filter, HEPA filter, and activated carbon.
5.2 Placement
Place the air purifier on a flat, stable surface. Ensure there is at least 15 inches (38 cm) of clear space around all sides for optimal air circulation.
5.3 Power Connection
Plug the power cord into a grounded electrical outlet. The unit will enter standby mode.
5.4 App and Wi-Fi Setup
Download the DREO app from your smartphone's app store. Follow the in-app instructions to connect your air purifier to your home Wi-Fi network and enable smart control features.

Image: Air purifier shown next to a smartphone displaying the DREO app, illustrating remote control and monitoring capabilities.
6. Operating Instructions
6.1 Power On/Off
Press the Power button (U) on the control panel to turn the unit on or off.
6.2 Mode Selection
Press the Mode button (M) to cycle through available modes:
- Auto Mode: The fan speed adjusts automatically based on real-time PM2.5 air quality readings.
- Turbo Mode: Operates at the highest fan speed for rapid air purification.
- Sleep Mode: Operates at the lowest fan speed with minimal noise (18 dB) and turns off display lights for undisturbed sleep.
- Manual Speed: Allows selection of 4 fan speeds.

Image: Air purifier operating quietly in a bedroom during sleep mode, with a sleeping person and cat.
6.3 Fan Speed Adjustment
In Manual Speed mode, press the Fan Speed button (F) to select desired fan speed (1-4).
6.4 Display and Light Control
Press the Light button (L) to adjust the brightness of the display or turn it off completely.
6.5 Pet Lock
Activate the Pet Lock feature by pressing and holding the Pet Lock button (P) for 3 seconds. This prevents accidental changes to settings by pets or children.
6.6 Wi-Fi and Voice Control
Once connected to the DREO app, you can control the air purifier remotely and integrate it with voice assistants like Amazon Alexa or Google Assistant for hands-free operation.
7. Maintenance
7.1 Filter Replacement
The air purifier will indicate when the filter needs replacement. The main filter typically lasts 6-8 months, while FiberCatch pre-filters should be replaced approximately every 1.5 months depending on usage and air quality.
- Unplug the air purifier.
- Remove the bottom cover and old filters.
- Dispose of used filters properly.
- Install new main filter and FiberCatch pre-filter.
- Replace and lock the bottom cover.
- Plug in the unit and reset the filter life indicator via the control panel or DREO app.
7.2 Cleaning the Unit
Wipe the exterior of the air purifier with a soft, dry cloth. Do not use abrasive cleaners or immerse the unit in water. Regularly clean the air inlet and outlet grilles with a soft brush or vacuum cleaner attachment to prevent dust buildup.
8. Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | Not plugged in; Power outage; Bottom cover not secured | Ensure power cord is securely plugged in; Check power supply; Re-install and lock bottom cover. |
| Poor air purification performance | Blocked air inlets/outlets; Dirty filter; Incorrect mode | Clear obstructions; Replace filter; Select appropriate mode (e.g., Turbo for faster cleaning). |
| Unusual noise | Filter not installed correctly; Foreign object inside | Check filter installation; Unplug and inspect for foreign objects. |
| Wi-Fi connection issues | Incorrect Wi-Fi password; Router too far; 5GHz network | Verify password; Move unit closer to router; Ensure connection to a 2.4GHz Wi-Fi network. |
| Filter replacement indicator remains on after replacement | Filter life not reset | Reset the filter life indicator via the control panel or DREO app after replacing the filter. |
9. Specifications
Detailed technical specifications for the DREO Smart Pet Air Purifier DR-HAP009AS.
| Feature | Specification |
|---|---|
| Model Number | DR-HAP009AS |
| Product Dimensions | 9.37 x 9.37 x 15.35 inches |
| Item Weight | 6.86 pounds |
| Power Source | Corded Electric |
| Control Method | App, Touch, Voice (Amazon Alexa, Android, iOS) |
| Filter Type | Pleated HEPA, Activated Carbon, FiberCatch Pre-filter |
| Floor Area Coverage | Up to 1079 sq. ft. (1 ACH) / 224 sq. ft. (4.8 ACH) |
| Noise Level | As low as 18 dB (Sleep Mode) / 24 dB (General) |
| Particle Retention Size | 0.3 micrometer |
| Contaminant Filtration Capability | Cigarette Smoke, Dust, Pet Hair, Pollen, Wildfire Smoke, Odors, PM2.5 |
| Special Features | Portable, Smart Edition, Tip-Over Protection, Anti-Chew Power Cord, Pet Lock |
| Certifications | AHAM Certified, CARB Certified, EPA Certified, Energy Star Certified, FCC Certified |
| Included Components | Air Purifier, Filter, Bottom Cover, User Manual, 6 FiberCatch Pre-Filters |
| UPC | 850084149658 |
10. Warranty and Support
DREO products come with a limited warranty from the date of purchase. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official DREO website.
For technical support, troubleshooting assistance, or to inquire about replacement parts and filters, please contact DREO customer service through the DREO app or their official support channels.
Online Support: Visit www.dreo.com for FAQs and support resources.