Air purifier on a light gray background
3-in-1 air purifier with 'Heat', 'Cool', and 'Purify' functions on a gradient blue background.
Air purifier with labeled features in a living room setting, highlighting Blueair TripleFlow technology.
Air purifier with HEPA filter technology on a blue background
Three methods to control an air purifier: remote, Blueair app, and touchscreen interface.
Air purifier on a wooden floor with safety features highlighted
Air purifier in a bedroom with people and dogs resting, highlighting dual jetstream outlets.
Air purifier with smartphone app interface showing oscillation control in a bedroom setting.
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Person and dog with a home air purifier in a living room setting
Air purifier with air quality indicator on a blue background
Air purifier with cleaning area measurements in a room setting
Gray air purifier on a white background
Air purifier on a white background
Round air purifier with digital display on a light gray background
Modern air purifier with a textured top and base on a white background

Blueair ComfortPure™ 3-in-1 T20i Air Purifier With TripleFlow™ Technology

£499.00 £419.00 SAVE £80.00
  • FREE gift with your purchase (worth £17.99)*.
  • 3-in-1: Heating, cooling, and air purification.
  • Filters PM10, PM2.5, PM0.1, VOCs and odours.
  • Eliminates viruses, bacteria and other germs.
  • For rooms up to 50 sq. m (538 sq. ft).
  • HEPASilent™ tech for clean and healthy air.
  • Custom schedules to fit your lifestyle.
  • Energy Star-rated and AHAM-certified.
  • New long-lasting filter with RealTrack algorithm.
  • Smart app, welcome home feature and voice control.
  • 5 x colour air quality indicator and particle sensor.
Estimated delivery on or before

  Free delivery on orders over £50
  14-day hassle-free returns
  100% secure transactions
  Every purchase helps a UK charity
  Over 2000+ happy customers

Frequently Bought Together

Total price:£714.00 £634.00
Description

 RECEIVE A FREE GIFT WORTH £17.99 WITH YOUR PURCHASE

Enhance indoor air quality even further - buy a Blueair air purifier today and get a FREE Absodry Duo Family Moisture Absorber (worth £17.99)! Just add both to your basket, and the discount will apply automatically. The offer is valid while stocks last and cannot be combined with other discounts.

Experience year-round comfort with the 3-in-1 T20i Air Purifier. Combining heating, cooling and advanced HEPASilent™ filtration, it removes airborne pollutants while keeping your home cosy in winter and cool in summer. Sleek, smart, and whisper-quiet – the perfect air purifier for modern UK homes.

Cleans Your Air From:

  • [Coarse Particles (PM10)]: Dust, pollen, smoke, soot, mould spores, pet hair.
  • [Fine Particles (PM2.5)]: Smoke, pet dander, bacteria, viruses, transport emissions.
  • [Ultrafine Particles (PM0.1)]: Smoke, bacteria, viruses, and fine aerosols from cooking.
  • [Microorganisms]: Bacteria, fungi, mould, protists, and viruses.
  • [Volatile Organic Compounds (VOCs)]: Harmful substances from paints, solvents, and tobacco smoke that can affect your health.
  • [Formaldehyde (VOC)]: This chemical, commonly used in paints, plywood, glues, and insulating coatings, has a strong smell and can lead to respiratory problems.
  • [Benzene (VOC)]: Found in petrol and industrial emissions.
  • [Toluene (VOC)]: Present in paint thinners, solvents, petrol, adhesives, and tobacco smoke and can harm health over time.
  • [Nitrogen Dioxide (NO2)]: Comes from vehicles and industrial sources, and can impact respiratory health.
  • [Sulphur Dioxide (SO2)]: Emitted by power plants and during volcanic eruptions.
  • [Odours]: Originate from various sources, including food, animals, and industrial processes.

How It Works:

  • [Pre-filter]: This filter captures larger particles like dust and pet hair before the air passes through the main filtration system, prolonging the life of other filters.
  • [HEPASilent™ Technology]: Airborne particles are given an electrical charge, which makes them adhere to the HEPA filter more swiftly and effectively. This dynamic combination of electrical charging and a strong air draft also neutralises viruses and bacteria, providing a healthier and fresher living environment.
  • [Activated Carbon]: Captures odours, smoke, and harmful chemicals, leaving your space smelling better and safer.
  • [TripleFlow™ Air Delivery]: High-efficiency fans deliver powerful, even airflow for faster cleaning and temperature control. Whether you need warm air in winter, cool airflow in summer, or simply cleaner air, the T20i adapts seamlessly.

A Top Pick For:

  • [Rooms up to 50 sq. m (538 sq. ft)]: Ideal for spaces of this size, assuming a standard ceiling height of 2.4 meters (7.87 feet). It effectively refreshes your room's air at least three times an hour.
  • [Allergy & Respiratory Relief]: If you suffer from allergies or breathing issues, this is your solution. It tackles allergens, making your space easier to breathe in.
  • [City Living]: The choice for urban air quality. It fights pollution and urban impurities, keeping your air fresher.
  • [Child-Friendly Homes]: It acts as a guardian for the air your little ones breathe, creating a healthier space.
  • [Immune Support]: An extra line of defence for your health. It keeps germs at bay, ensuring a healthier environment.
  • [Smokers & Passive Smoke Exposure]: The top choice for cleaner air in smoky surroundings.
  • [Pet Owners]: Your furry friend's best buddy. It combats pet dander and odours, making the air pleasant for you and your pets.
  • [Light Sleepers]: Operates quietly for a peaceful sleep.
  • [Amazon Alexa Assistant Users]: Seamlessly control it with voice commands through a smart speaker, adding convenience to your experience.

Why We Like It:

  • [3 x Functions in 1]: Heating, cooling, and air purification combine in a single sleek unit, saving space and delivering year-round comfort.
  • [Family & Pet Safe]: Auto shut-off, heat-resistant materials, and anti-tip sensor protect children and pets from accidental hazards.
  • [Energy-Efficient Performance]: Maintains high air-cleaning efficiency while using minimal power, even in heating and cooling modes.
  • [HEPASilent™ Technology]: Eliminates up to 99.97% of tiny irritants down to 0.1 microns. Say goodbye to sneezing and coughing caused by airborne pollutants.
  • [Energy Star Rated]: Enjoy clean air without worrying about high energy bills.
  • [AHAM Certified]: Independently tested and certified, the CP7i is a trusted solution for those with sensitivities or respiratory conditions, offering proven filtration and microbial inactivation.
  • [Smart Controls & Connectivity]: Control effortlessly through a touchscreen, remote, or app, featuring real-time air quality monitoring and automatic performance optimisation. Compatible with Amazon Alexa for seamless voice command integration.
  • [7 x Fan Speeds (Night Mode, Eco, Auto and 1-4)]: Choose from multiple fan speeds, including a whisper-quiet Night Mode, to tailor the purifier's performance to your needs.
  • [Instant Air Quality Readings]: Equipped with a particle sensor, the T20i provides real-time air quality readings based on fine particle concentration (PM 2.5) in your space.
  • [Welcome Home Feature]: Your air purifier intelligently enters standby mode when you leave home and reactivates when you return, ensuring efficient operation and clean air when you require it most.
  • [Oscillation Mode]: Adjust your ideal oscillation settings to perfectly match your space. Whether you're focused on work, unwinding after a long day, or drifting off to sleep, enjoy a soothing breeze exactly where you need it most.
  • [Ozone-Free]: Ensures your air remains free from harmful ozone.
  • [Sleek, Modern Design]: Minimalist look fits any home or office décor, while compact form ensures it doesn’t dominate your space.

Care and Maintenance:

  • [Pre-filter]: Clean the pre-filter regularly.
  • [Main Filter]: When the indicator light turns red (after 9-12 months of operation), you should change the main filter.
  • [Air Quality Sensor]: Clean the sensor when changing the main filter. 
Free Gift With Purchase
Specification
  • Model: ComfortPure™ 3‑in‑1 T20i
  • Maximum Recommended Room Size: 50 sq. m (538 sq. ft)
  • CADR (Clean Air Delivery Rate): Pollen: 420 m3/h (247 CFM), Dust: 420 m3/h (247 CFM), Smoke: 420 m3/h (247 CFM)
  • Combination Filter Grade: HEPASilent™ removes at least 99.97% of particles sized 0.1 micron
  • Filtration Stages: 3
  • Particle Sensor: Yes
  • Gas Sensor: No
  • Temperature Sensor: Yes
  • Relative Humidity Sensor: No
  • Filter Replacement Indicator: Yes
  • Noise Level: 24 - 52 dB(A)
  • Rated Voltage: 220 - 240 V, 50/60 Hz
  • Power Consumption: 3 - 36 W (heating mode: 1500 W)
  • Combination Filter Lifespan: 6-12 months
  • Fan Speed Levels: 7
  • Wi-Fi Connectivity: Yes
  • On/Off Timer: Yes
  • Dimensions (H x W x D): 60 x 50 x 25 cm
  • Weight: 14.5 kg
  • Manufacturer's Guarantee: 12 months
Reviews

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Q&A

Q: What size room can the 3-in-1 T20i purifier clean?

A: The ComfortPure™ T20i is suitable for medium to large rooms, up to 50 m², providing full air circulation approximately every 15 minutes. Perfect for living rooms, offices, or bedrooms.

Q: Does it remove allergens and dust?

A: Yes. The T20i uses HEPASilent™ technology to capture 99.97% of airborne particles, including pollen, dust, smoke, and pet dander.

Q: Can it reduce odours in my home?

A: Yes. Its activated carbon filter traps light household odours and VOCs, leaving your indoor air fresher.

Q: Does it have heating and cooling functions?

A: Yes. This unit combines air purification with energy-efficient heating and cooling modes, keeping your home comfortable year-round.

Q: Is it safe for pets and children?

A: Absolutely. The T20i features heat-resistant materials, an anti-tip sensor, and automatic shut-off to prevent accidents and overheating.

Q: Can I control it remotely?

A: Yes. Wi-Fi connectivity allows control via the Blueair app. You can adjust fan speeds, set schedules, monitor air quality, and receive filter replacement alerts.

Q: How often do I need to change the filter?

A: Filters typically last 6–9 months, depending on usage and indoor air quality. The app and LED display provide timely replacement reminders.

Q: Is the purifier noisy?

A: No. Whisper-quiet operation ranges from 22 dB (low) to 55 dB (high), making it suitable for bedrooms, studies, and open-plan spaces.

Q: Does it produce ozone or harmful emissions?

A: No. The T20i is ozone-free, Energy Star certified, and safe for continuous home use.

Q: Is it AHAM certified?

A: Yes. The T20i is AHAM Verifide®, ensuring reliable Clean Air Delivery Rate (CADR) performance.

Delivery & Returns

Order Confirmation

As soon as you place your order, you will receive an order confirmation e-mail. We will automatically reach out to our supplier to confirm that the item is in stock. We will process the charges to your credit or debit card if your item is in stock. 

Free Delivery On Orders Over £50

  • Dispatched directly from a supplier in the UK.
  • Order processing time: 1-2 business days.
  • Estimated delivery time: 1-2 business days.
  • Orders are not shipped or delivered on weekends or during public holidays. 
  • If we are experiencing a high volume of orders, shipments may be delayed by a few days.

Free Returns

Naturally, we hope you'll love your purchase, but it's OK to change your mind. Our return policy lasts 14 days. For complete information, please read our returns and refund policy.

FREE DELIVERY

Free delivery on orders above £50

14 DAYS FREE RETURNS

Changed your mind? No problem

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