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Dyson Purifier Cool PC1 specifications and in-depth review

Dyson Purifier Cool PC1

Manufacturer: Dyson

The Dyson Purifier Cool PC1 is a compact air purifier designed for rooms of up to 27 m², combining filtration and cooling in a single unit. It connects via Wi-Fi and pairs with a dedicated smartphone app, giving users the ability to monitor and adjust settings remotely. The unit also supports scheduling and an auto mode that responds to real-time air quality readings.

On the filtration side, the PC1 uses a combination of HEPA and active carbon filters, achieving 99.97% particle capture at 0.3 microns. An allergen sensor feeds data to the built-in air quality indicator, while filter life tracking and a filter replacement indicator help manage maintenance over time. Maximum noise output is rated at 63 dB, and the unit weighs approximately 4,717 g. It does not carry an Energy Star certification and lacks a washable pre-filter.

Pros
  • HEPA and active carbon filtration captures 99.97% of particles at 0.3 microns, covering a meaningful range of airborne contaminants
  • Auto mode adjusts operation automatically based on real-time allergen sensor readings, reducing the need for manual intervention
  • Filter life tracking combined with a replacement indicator takes the guesswork out of maintenance timing
  • Scheduling support allows the unit to run only when needed, giving users control over usage patterns
  • Wi-Fi connectivity paired with a dedicated smartphone app enables remote monitoring and adjustments
Cons
  • Room coverage is limited to 27 m², making it unsuitable for larger open-plan spaces
  • Maximum noise output reaches 63 dB, which may be noticeable in quiet environments
  • No compatibility with Alexa, Google Assistant, or Siri and Apple HomeKit limits integration into existing smart home setups
  • Smart location control is absent, so the unit cannot automatically respond to whether occupants are home or away
  • No washable pre-filter means all filter maintenance requires purchasing replacements
  • Does not carry an Energy Star certification, offering no verified benchmark for energy efficiency
Who is this for?

This purifier suits users in smaller rooms up to 27 m² — such as bedrooms, home offices, or compact living areas — who want consistent air quality monitoring without manual adjustments, thanks to the auto mode and allergen sensor. The dedicated smartphone app and Wi-Fi connectivity make it a practical fit for people who prefer managing their environment remotely. Those who prioritize maintenance awareness will also benefit from the built-in filter life tracking and replacement indicator, which streamline upkeep over time.

Who is this NOT for?

Users looking to cover larger or open-plan spaces beyond 27 m² will find the unit's room coverage insufficient for meaningful air quality impact. Those with a deeply integrated smart home setup may be frustrated by the lack of compatibility with Alexa, Google Assistant, and Apple HomeKit, as well as the absence of smart location control. Additionally, users in noise-sensitive environments such as light sleepers or those working in quiet settings may find the maximum 63 dB output disruptive during higher fan speeds.

General info:

Recommended room size (max) 27 m2
Audible noise (max) 63 dB
has Energy Star label ✕
volume 25.2 cm³
weight 4717 g
thickness 12 mm
height 105 mm
width 20 mm

The Dyson Purifier Cool PC1 is suited for spaces of up to 27 m² and produces a maximum audible noise level of 63 dB during operation. It does not carry an Energy Star certification. In terms of physical dimensions, the unit measures 105 mm in height, 20 mm in width, and 12 mm in thickness, with a volume of 25.2 cm³ and a weight of 4,717 g.

Filtration:

Filters HEPA, Active carbon
Air change per hour 27 m2
Filtration efficiency (0.3 microns) 99.97%
has filter replacement indicator ✓
has a washable pre-filter ✕

The purifier uses a combination of HEPA and active carbon filters, capturing particles at 99.97% efficiency at 0.3 microns. A built-in filter replacement indicator helps users keep track of when maintenance is due, though the unit does not include a washable pre-filter. The air change coverage is rated for areas of up to 27 m².

Features:

has an air quality indicator ✓
Air sensors Allergens
has filter life tracking ✓
has auto mode ✓
has scheduling ✓
has smart location control ✕
works with Alexa ✕
compatible with Google Assistant ✕
works with Siri/Apple HomeKit ✕
Has a dedicated smartphone app ✓
supports Wi-Fi ✓

The PC1 includes an air quality indicator fed by an allergen sensor, alongside filter life tracking to help monitor when servicing is needed. It supports auto mode, which adjusts operation based on current air conditions, as well as scheduling for timed use. The unit connects via Wi-Fi and has a dedicated smartphone app, but does not offer smart location control and is not compatible with Alexa, Google Assistant, or Siri and Apple HomeKit.

Final Verdict

The Dyson Purifier Cool PC1 is a well-specified air purifier for smaller, contained spaces, combining HEPA and active carbon filtration at 99.97% efficiency with smart features like auto mode, scheduling, and app-based remote control. Its allergen sensing and filter life tracking reflect a thoughtful approach to ongoing air quality management. That said, its 27 m² coverage ceiling and the absence of major voice assistant integrations mean it is best suited to users with modest room sizes and simpler smart home setups. For that specific use case, it delivers a cohesive and largely self-managing experience.