A Review of Dyson HP04 Air Purifier
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By Lauren Quan | 14 October 2020 | 0 Comments

A Review of Dyson HP04 Air Purifier

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Dyson has one of the markets best vacuum cleaners. Getting your home air purifier is one of the best decisions you can ever make. The Dyson air purifiers automatically improve the quality of air in your home.

Additionally, the purifier gets rid of food smell and other unpleasant smells that linger around your house. With high levels of air pollution, especially in the urban areas, having an air purifier is the best decision you can make for your health and that of your loved ones. If you are looking for a high-quality and efficient air purifier, you might as well consider the Dyson HP04.  The Dyson HP04 air purifier can be used all year round, because it is hot+ Cool Air purifier.

Features of Dyson HPO4 Air Purifier
Dyson HP04 is one of the latest air purifier in the Dyson air purifier series.

1.Design and Size
One thing that stands out for the Dyson HPO4 air purifier is its beautiful and smart design. It has the bladeless fan with an oval amplifier. Compared to its predecessors, the Dyson HP04 is a little taller, with a height of 30 inches. The amp has a diameter of 8 inches compared to 6 inches of its predecessors.

The LCD display is placed above the air intake grill. The display is a little more detailed and clear as compared to other models.  You can check the humidity level, temperature, and the quality of the indoor air on the LCD display screen.

HPO4 Air purifier is heavier than other models in its series with a weight of 12.35lbs. However, it is light enough to move it across different rooms. The noise levels of this air purifier is between 54dBs to 81dBs. It is quiet enough to allow you use it in your bedroom or office as you study.

2. Filters
The HPO4 Air Purifier utilizes the same air filters similar as the other 4th generation vacuum cleaners. It uses two types of filters:

The Carbon Filters-They neutralize household odors like smoke, food, and other types odors such as the benzene, nitrogen dioxide, and formaldehyde.

The HEPA Filters-The HEPA filters are designed to capture dust particles, pet dander, bacteria, and allergens up to 0.3 microns. The filters trap up to 99.97% of the airborne particles.  

The filters in the HPO4 can purify the air in your house in just two minutes. If you suffer allergies, the HEPA filters protects you and your family from the allergens in the air. The filters are high-quality and 100% safe to use on the ozone.


The HPO4 Air Purifier has three basic modes which are:
  • Auto Mode- On auto mode the HPO4 Air Purifier uses the on-board sensors which automatically detects the quality of air and automatically detects the settings to regulate it. The effect is that it will self-adjust the fan speed.
  • Custom Mode-The mode allows you to manually adjust the heat settings and the fan speed with a remote control. You can set the temperatures, the oscillation angle anywhere from 0-350°, and adjust the air flow direction, either forward or backwards.
  • The Night Mode-On the night mode, the purifier operates at lower decibel and dims the lights and digital screens to allow you rest well.

4.Air Quality Indicators
The HPO4 Air Purifier has indicators that show the quality of air. If the line shows color green, it means the quality of air is at a healthy level.  If the line indicates yellow, it means the air is polluted with a few particles and it need to be purified. If the line indicates red, it means the air is heavily contaminated and it needs purification. The HPO4 Air purifier can detect the types of pollutants and when they are emitted.

The main use of air pollutants is the ability to detect and clean out the indoor air contaminants. In addition to other features the air purifier might have, if it cannot effectively treat the air, you shouldn’t have it in the first place.
The Dyson HPO4 Air Purifier can remove at least 98% of the particles in the air in a midsized room within an hour. It can also improve the air quality by up to 97%.

6. Power Consumption
The HPO4 is good at energy consumption as compared to other air purifiers. When on cooling mode this air purifier has a power consumption of 36 to 44 watts, which is good for an average purifier. On heating mode, the purifier has energy consumption of 1536 watts, which although might seem high is good for this mode. Compared to other purifiers, HPO4 is more energy efficient. On average, it will cost you only $16 a year, if you use the HPO4 Air Purifier for eight hours every day. 

7. Set Up and Usability
HPO4 is easy to set up and use. The set up and usability is not any different from other Dyson models. Once you have set up the purifier, the HPO4 defaults itself on the Auto mode. You can use a remote control to set up different modes. Additionally, you can control the purifier using voice controls or mobile app over Wi-Fi network.

8. Dyson HP04 Maintenance
Dyson HP04 is easy to maintain, thanks to the intelligent self-accessing feature of this purifier. The filtration system of the purifier is monitored internally and will alert when you should replace them. Also, you can use the mobile app to check on the status of the filters. To keep the purifier running optimally, ensure to wipe it occasionally.

9. Dyson HP04 Controls
HP04 does not have adjusting buttons on its body. You can control the purifier suing remote, mobile Dyson app, or using voice commands with Amazon Alexa or Google Assistant.
The remote control enables you to control a few features of the purifier without the need of an application. The remote allows you to control the following features:
  •  Power on / off
  • Adjust fan speed when cooling
  • Adjust heat setting when heating
  • Auto mode
  • Sleep mode
  • Oscillation
  • Reserve airflow
  • Set a timer
The smartphone application allows you to control the following features of the purifier:
  • Power on / off
  • Adjust fan / heat speed
  • Adjust angle the of oscillation
  • Set a timer
  • Auto mode
  • Night mode
  • Adjust airflow direction
  • View filer status and remaining life

10. Air Quality Assessment
One of the most impressive feature of the Dyson HP04 is the ability to analyze and respond to the real time indoor air quality. The results on the quality of the air are displayed on the digital display at the base of the purifier. You can also view these results on the application. When using the app, you can get the specs on air quality both on the inside and outside.

11. Accessories and Parts
The Dyson HP04 comes with the following accessories and parts:
  • Dyson HP04 air purifier
  • Power cord
  • 360° Glass HEPA filter
  • Activated charcoal filter
  • Remote control
  • Model-Pure Hot & Cool-HP04
  • Manufacturer-Dyson
  • Width-9.8”
  • Depth-8.1”
  • Weight-19.6 Pounds
  • Oscillation- 350°
  • Wi-Fi Compatibility-Yes
  • Filters-HEPA/Carbon filters
  • Max Airflow-310 liters
  • Warranty-1 Year
  • Modern and striking visual design
  • Highly effective in purifying air
  • Can be used as a fan and space heater
  • Smart capabilities:  Alexa, iOS, and Android devices
  • 9-hour timer
  • Easy to use and set up
  • Quick warming
  • Automatically detects and displays the quality of air on the inside and outside
  • Quiet
  • 10 different speed settings
  • Connects to the Wi-Fi
  • Has HEPA and Carbon filters
  • Light-weight for easy portability across different rooms
  • Expensive
The Dyson HP04 Air Purifier is a versatile and high-performance purifier. It cleans the air in your house, heats, and cools the air. HPO4 offers real time assessment of air quality to allow you make the necessary adjustments to the purifier. If you are looking for more than air purifier, you cannot go wrong with this one. It will purify, heat and cool the air in your house. The HP04 is ideal for every home owner whether big or small. If you have smart phone, you will enjoy the experience using this purifier.


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