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Blueair Classic Pro CP7i specifications and in-depth review

Blueair Classic Pro CP7i

Manufacturer: Blueair

The Blueair Classic Pro CP7i is a large-room air purifier designed for spaces up to 130 square metres. It connects to a dedicated smartphone app and supports Alexa voice control, making it straightforward to manage remotely. The unit runs at noise levels between 24 and 55 dB depending on the selected speed, and its auto mode allows it to adjust fan output automatically based on real-time air quality readings. It carries an Energy Star label and draws 58W during operation.

On the filtration side, the CP7i delivers a CADR of 645 m³/hr and achieves 99.97% efficiency at 0.1 microns. It uses a pre-filter combined with an active carbon stage to address both particulates and gaseous pollutants. Built-in sensors monitor PM1, PM2.5, and PM10 particle sizes, feeding data to the air quality indicator and filter life tracking system. A filter replacement indicator provides a clear alert when maintenance is due. The purifier also supports scheduling, allowing users to set operating times in advance. Physically, it measures 500 × 250 × 600 mm and weighs approximately 14.5 kg.

Pros
  • Covers rooms up to 130 m², making it suitable for large living spaces or open-plan areas
  • CADR of 645 m³/hr combined with 99.97% filtration efficiency at 0.1 microns indicates strong particulate capture capability
  • PM1, PM2.5, and PM10 sensors feed a real-time air quality indicator, giving users visible feedback on indoor air conditions
  • Auto mode adjusts fan speed based on live sensor data, reducing the need for constant manual adjustment
  • Scheduling support allows operating times to be set in advance without requiring manual intervention each time
  • Carries an Energy Star label and draws only 58W during operation, keeping energy use relatively modest for a unit of this size
Cons
  • Pre-filter is not washable, meaning it must be replaced rather than simply rinsed, adding to ongoing maintenance requirements
  • No support for Google Assistant or Apple HomeKit, limiting smart home integration for users outside the Alexa ecosystem
  • Smart location-based on/off control is absent, so the unit cannot automatically adjust based on whether occupants are home
  • At 14.5 kg, the unit is fairly heavy, which can make repositioning between rooms inconvenient
  • Maximum noise level of 55 dB at full speed may be noticeable in quieter environments such as bedrooms
Who is this for?

This purifier is well matched to users who need to maintain clean air across large open-plan spaces or spacious rooms up to 130 m², where smaller units would struggle to keep up. Its PM1, PM2.5, and PM10 sensors combined with auto mode make it a practical fit for households where air quality can fluctuate — such as homes with pets, cooking activity, or urban pollution exposure — since the unit responds to changing conditions without requiring manual adjustments. The built-in scheduling, smartphone app, and Alexa compatibility also make it a natural fit for users who prefer to manage home devices through a connected ecosystem, while filter life tracking and the replacement indicator suit those who want clear maintenance cues rather than guesswork.

Who is this NOT for?

Users looking to integrate the purifier into a Google Assistant or Apple HomeKit smart home setup will find the lack of support for those platforms a genuine limitation, as voice and automation control would be restricted to Alexa only. The unit's weight of 14.5 kg and its physical footprint make it poorly suited to anyone who needs to move the purifier frequently between rooms or who has limited floor space, as it is clearly designed to stay in one position. Additionally, those sensitive to background noise — particularly in bedrooms or quiet office settings — may find the 55 dB maximum fan speed disruptive during higher-intensity operation.

General info:

Recommended room size (max) 130 m2
Audible noise (min) 24 dB
Audible noise (max) 55 dB
has Energy Star label ✓
operating power consumption 58W
volume 75000 cm³
weight 14510 g
thickness 250 mm
height 600 mm
width 500 mm

The Blueair Classic Pro CP7i is rated for rooms up to 130 m² and operates within a noise range of 24 dB at its quietest to 55 dB at full speed. It consumes 58W during operation and carries an Energy Star label, reflecting its efficiency credentials. The unit measures 500 mm wide, 250 mm deep, and 600 mm tall, giving it a total volume of 75,000 cm³, while its weight of approximately 14.5 kg reflects a solid, full-sized build intended for permanent room placement.

Filtration:

Filters Pre-filter, Active carbon
Air change per hour 60 m2
CADR 645 m3/hr
Filtration efficiency (0.1 microns) 99.97%
has filter replacement indicator ✓
has a washable pre-filter ✕

The filtration system combines a pre-filter with an active carbon stage, handling both larger particles and gaseous pollutants in a two-layer approach. The unit achieves a CADR of 645 m³/hr and is rated for air changes across a 60 m² reference area, giving a clear picture of its throughput capacity. Filtration efficiency reaches 99.97% at 0.1 microns, and a filter replacement indicator alerts users when a change is needed. The pre-filter is not washable and must be replaced rather than rinsed and reused.

Features:

has an air quality indicator ✓
Air sensors PM1, PM2.5, PM10
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 CP7i includes an air quality indicator backed by sensors that monitor PM1, PM2.5, and PM10 particle concentrations, and it pairs this with filter life tracking to keep maintenance straightforward. Auto mode lets the unit respond to sensor readings automatically, while scheduling allows users to set specific operating times without manual intervention. Connectivity covers Wi-Fi and a dedicated smartphone app, and the purifier works with Alexa for voice control. It does not support Google Assistant, Siri, or Apple HomeKit, and smart location-based on/off control is also absent.

Final Verdict

The Blueair Classic Pro CP7i is a capable large-room air purifier that delivers on its core promise through a strong combination of high airflow and precise particle detection. Its 645 m³/hr CADR paired with 99.97% filtration efficiency at 0.1 microns makes it a credible choice for anyone prioritising thorough air cleaning across spaces up to 130 m², and the trio of PM sensors feeding into auto mode adds a layer of responsive, hands-off operation that suits busy households well. Connectivity through Wi-Fi, a dedicated app, and Alexa support rounds out a feature set geared toward users who value integration and convenience, though those with Google Assistant or Apple HomeKit setups, or those needing a portable unit, will find its ecosystem reach and physical bulk limiting. Overall, the CP7i is a well-specified unit for users who want serious filtration performance and smart controls in a fixed large-room installation.