DREO™ 539 Air Purifier

BREATHE FRESHER AIR WITH THE DREO™ 539 AIR PURIFIER

AHAM-Verified 158 CFM Performance, 3-in-1 HEPA Filtration & Real-Time PM2.5 Monitoring – All in One

Improve your indoor environment with the DREO™ 539 Air Purifier. Designed for bedrooms, living spaces, nurseries, offices, and everyday home use, this high-performance purifier combines AHAM-verified air cleaning, 360° TurboPure airflow, a 3-in-1 filtration system, real-time PM2.5 monitoring, and ultra-quiet operation as low as 18 dB.

With a verified Clean Air Delivery Rate of 158 CFM, the DREO™ 539 can refresh the air approximately 4.8 times per hour in rooms up to 245 sq. ft., while providing broader coverage of up to 1,176 sq. ft. at 1 air change per hour.

From dust and pollen to smoke particles and everyday household odors, DREO™ 539 gives you intelligent, efficient air purification day and night.

Why Choose the DREO™ 539?

AHAM-Verified Air Purification Performance

Choose independently verified performance.

The DREO™ 539 has been AHAM Verified with a Clean Air Delivery Rate of 158 CFM, providing measurable air-cleaning performance for everyday living spaces.

In rooms up to approximately 245 sq. ft., the purifier can provide about 4.8 air changes per hour, refreshing the room air approximately every 12.4 minutes under the stated test conditions.

At 1 air change per hour, its stated coverage extends up to approximately 1,176 sq. ft.

Performance Highlights:

✔ AHAM Verified

✔ 158 CFM Clean Air Delivery Rate

✔ Up to 4.8 ACH in 245 sq. ft.

✔ Approximately one air refresh every 12.4 minutes in 245 sq. ft.

✔ Up to 1,176 sq. ft. coverage at 1 ACH

Advanced 3-in-1 Filtration System

Capture airborne particles through multiple filtration stages.

The DREO™ 539 combines a pre-filter, high-efficiency HEPA filter, and activated-carbon layer to address a broad range of common airborne particles and household odors.

The filtration system is designed to capture particles including:

✔ PM2.5

✔ Dust

✔ Pollen

✔ Smoke Particles

✔ Pet-Related Airborne Particles

✔ Other Fine Airborne Particles

The activated-carbon layer also helps reduce common household odors.

High-Efficiency HEPA Filtration

Target even very small airborne particles.

According to the supplied product specifications, the HEPA filtration system is rated to capture 99.97% of particles at 0.3 microns under its stated filtration conditions.

Combined with the pre-filter and activated-carbon layer, it provides a multi-stage approach to everyday indoor air purification.

Benefits:

✔ High-efficiency particle filtration

✔ Helps capture fine airborne contaminants

✔ Designed for everyday household environments

✔ Multi-stage filtration in one replaceable system

DREO TurboPure™ 360° Airflow

Circulate cleaner air throughout the room faster.

DREO's TurboPure™ airflow system combines a large air intake with a 360-degree spiral airflow design to improve air intake and circulation efficiency.

Rather than directing airflow from only one side, the cylindrical design helps draw air from around the purifier and distribute filtered air throughout the surrounding space.

Benefits:

✔ 360° air circulation

✔ Large air intake area

✔ Spiral airflow design

✔ Faster room-air circulation

✔ Suitable for bedrooms and shared living spaces

Real-Time PM2.5 Air Quality Monitoring

Know what's happening in your indoor air.

A built-in high-precision PM2.5 sensor continuously monitors fine airborne particle levels and displays real-time air-quality information directly on the LED screen.

The numerical AQI display ranges from 0–999, while a four-color indicator provides an easy visual reference for changing air conditions.

Air Quality Indicator Colors:

✔ Blue

✔ Green

✔ Orange

✔ Red

This makes it easier to see when indoor air conditions change without relying solely on fan speed or guesswork.

Transparent Filter Viewing Window

See the condition of your filtration system.

The built-in transparent viewing area lets you visually inspect the filter and system condition, making routine maintenance more straightforward.

Benefits:

✔ Easy filter inspection

✔ More transparent maintenance

✔ Quickly check system condition

✔ Convenient everyday monitoring

Whisper-Quiet 18 dB Sleep Performance

Purify your air without disturbing your rest.

With its efficient BLDC motor, bottom air inlet, and optimized spiral intake system, the DREO™ 539 is designed to operate at noise levels as low as 18 dB on its lowest setting, according to the stated third-party laboratory test.

This makes it especially suitable for spaces where quiet operation matters.

Perfect for:

✔ Bedrooms

✔ Nurseries

✔ Home Offices

✔ Study Areas

✔ Nighttime Air Purification

Dedicated Sleep Mode

Cleaner air without distracting lights.

Activate Sleep Mode and the purifier switches off its display lighting to create a darker, less distracting environment during the night.

The display can wake again when a button is pressed.

Benefits:

✔ Display lights turn off during Sleep Mode

✔ Quiet nighttime operation

✔ Designed for uninterrupted rest

✔ Easy controls when needed

Intelligent Auto Mode

Let the purifier respond automatically.

In Auto Mode, the DREO™ 539 uses its PM2.5 sensor to monitor current air conditions and automatically adjust purification performance.

When particle levels increase, the system can increase airflow; when conditions improve, it can reduce operating intensity.

Benefits:

✔ Automatic fan adjustment

✔ Uses real-time PM2.5 readings

✔ Less manual adjustment required

✔ Convenient everyday operation

Powerful Turbo Mode

Get maximum purification when you need it.

For situations requiring faster air circulation, Turbo Mode operates the purifier at maximum performance.

It can be useful after cooking, during elevated pollen conditions, or when smoke and airborne particles need to be reduced more quickly.

Benefits:

✔ Maximum airflow performance

✔ Faster particle removal

✔ Ideal for temporary high-particle conditions

✔ One-touch high-power purification

Four Manual Fan Speeds

Choose the airflow that fits your environment.

Normal Mode provides four manually selectable fan speeds, giving you more direct control over purification performance and operating noise.

Choose a lower setting for quiet everyday use or increase airflow when quicker purification is preferred.

ENERGY STAR Certified Efficiency

Designed for regular use without excessive energy consumption.

The DREO™ 539 is listed as ENERGY STAR certified, with stated annual energy consumption of approximately 162 kWh under its referenced operating assumptions.

Combined with its efficient BLDC motor, the purifier is designed to balance performance and energy use for everyday operation.

Benefits:

✔ ENERGY STAR certified

✔ Efficient BLDC motor

✔ Approximately 162 kWh stated annual consumption

✔ Designed for continuous household use

Four Purification Modes

Choose the right performance for every situation:

✔ Auto Mode — automatically responds to measured air quality

✔ Turbo Mode — maximum airflow for faster purification

✔ Sleep Mode — quiet operation with display lighting turned off

✔ Normal Mode — manual control with four selectable speeds

Ideal Room Coverage

Use the DREO™ 539 across a variety of household spaces:

✔ Up to 245 sq. ft. — approximately 4.8 air changes per hour

✔ Up to 1,176 sq. ft. — approximately 1 air change per hour

Actual air-refresh performance depends on room dimensions, layout, airflow conditions, filter condition, and operating speed.

Perfect For

✔ Bedrooms

✔ Living Rooms

✔ Nurseries

✔ Home Offices

✔ Apartments

✔ Pet Households

✔ Pollen Season

✔ Dust Control

✔ Smoke Particle Reduction

✔ Everyday Indoor Air Purification

Technical Specifications

Product: DREO™ 539 Air Purifier

Model: DR-HAP009 White

Filtration System: 3-in-1

Filter Stages: Pre-Filter + HEPA Filter + Activated Carbon

HEPA Filtration: Stated 99.97% Capture at 0.3 Microns

AHAM Verification: Yes

AHAM CADR: 158 CFM

Recommended High-Frequency Coverage: Up to 245 sq. ft. at 4.8 ACH

Maximum Stated Coverage: Up to 1,176 sq. ft. at 1 ACH

Air Refresh Rate: Approximately Every 12.4 Minutes in 245 sq. ft.

Particle Sensor: PM2.5 Sensor

AQI Display Range: 0–999

Air Quality Indicator: 4-Color RGB Indicator

Purification Modes: Auto / Turbo / Sleep / Normal

Manual Fan Speeds: 4

Minimum Stated Noise Level: 18 dB

Motor Type: BLDC Motor

Airflow Design: 360° Spiral Airflow

Energy Certification: ENERGY STAR

Stated Annual Energy Consumption: Approximately 162 kWh

Controls: Touch Controls

Color: White

Product Dimensions: Approximately 9.37 × 9.37 × 15.35 Inches

Product Weight: Approximately 6.86 lb

Designed for Everyday Indoor Air Quality

Cleaner indoor air shouldn't require complicated controls.

The DREO™ 539 Air Purifier combines verified air-cleaning performance, high-efficiency filtration, intelligent particle monitoring, quiet operation, and flexible purification modes into one compact system designed for everyday living.

Monitor smarter.

Filter continuously.

Breathe more comfortably.

Order your DREO™ 539 Air Purifier today and bring intelligent air purification into your home.

Coverage figures are based on the stated AHAM performance data and air-change calculations. Actual purification performance may vary depending on room layout, ceiling height, airflow, operating speed, filter condition, and environmental conditions. Air purifiers are not substitutes for appropriate ventilation or professional medical care.