Healthy Air Technology
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Healthy Air Technology – Oxford-based maker of HEPA-13 and DNO catalyst air purifiers

Open-plan office lounge with people working at shared tables and armchairs
Calm river with green trees under a clear morning sky Healthy Air HA500 air purifier with PM2.5 air-quality display
Healthy Air for home, work, and care
Air Purifiers for homes & workplaces
Dental surgery with a patient in the treatment chair and two dental staff
Sunlit green meadow and mountains under a clear blue sky Healthy Air HA800 commercial air purifier with digital display
Healthy Air for healthcare
Air Purifiers for clinics & waiting rooms
Driver and child passenger inside a car cabin
Car driving on a tree-lined country road beside a lake Healthy Air Go (HA30) vehicle air purifier with blue light ring
Healthy Air for vehicles
Air Purifiers for cars & taxis

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Spotlight Healthy Air products

Healthy Air 500 (HA500) Air Purifier

The Healthy Air 500 (HA500) is a large-room air purifier designed for bedrooms, living spaces, workplaces, education, and healthcare settings (up to 80 m²). It combines HEPA 13 filtration with patented DNO technology for high-performance air cleaning to address airborne particles, gaseous pollutants, and selected bioaerosols. With CADR 500 m³/h, PM2.5 laser sensing, automatic adjustment, and user-friendly features, the HA500 is suited to any home, workplace, or care setting.

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Healthy Air 800 (HA800) Air Purifier

The Healthy Air 800 (HA800) is a commercial air purifier designed for large shared spaces, including large offices, leisure, education, and healthcare settings (up to 120m²). It combines HEPA 13 filtration, patented DNO technology, and CFD airflow for high-performance air cleaning to address airborne particles, gaseous pollutants, and bioaerosols.

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Every Healthy Air purifier pairs HEPA-13 filtration with our patented DNO catalyst, with models for cars, desks, walls, floors and ceilings, covering spaces from a vehicle cabin to large shared rooms. Replacement filters are available for the full range.
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Healthy Air for every setting

Home
Healthy Air for bedrooms, living rooms, home offices, and family spaces. Find out more
Home
Workplaces
Healthy Air for offices, meeting rooms, reception areas, and shared workspaces. Find out more
Workplaces
Vehicles
Healthy Air for cars, taxis, transport, and enclosed vehicle cabins. Find out more
Vehicles
Healthcare
Healthy Air for clinics, waiting areas, treatment rooms, dental practices and care environments. Find out more
Healthcare
Education
Healthy Air for classrooms, nurseries, staff rooms, libraries, and shared learning spaces. Find out more
Education
Retrofit
Healthy Air options for buildings where ventilation upgrades may be difficult, disruptive, or energy-intensive. Find out more
Retrofit

Healthy Air solutions

Breathe easy.
Healthy Air Technology Ltd (HATL) is an indoor air quality company founded in Oxford in 2018 and based at Oxford University Begbroke Science Park. It was co-founded by Dr Chunli Cao, an engineer specialising in air pollution and building science, and Dr Tiancun Xiao, a catalysis chemist at the University of Oxford. Our air purifiers pair HEPA-13 filtration, which captures fine particles such as PM2.5, with our D-Orbital Nano Oxide (DNO) catalyst, which is protected by four Chinese patents. The DNO catalyst is designed to break down selected gases, odours and biological contaminants at its surface, rather than only trapping them in a filter. The range includes vehicle, desktop, wall-mounted, freestanding and ceiling units, from the HA30 for cars to the C1300 for large rooms, for homes, workplaces, healthcare, education and retrofit buildings. Products are tested by independent laboratories, with results published on our Evidence & Test Results page, and we supply customers in six countries from our Midlands warehouse in Nottingham.
Designed for real indoor environments
Indoor air quality changes throughout the day as people enter rooms, activities change, and pollutants are introduced from indoor and outdoor sources. Healthy Air systems are designed to respond to changing conditions, helping reduce airborne particles, selected gases, odours, and biological contaminants under appropriate operating conditions.

What is DNO catalyst technology?

Healthy Air systems combine established HEPA-13 filtration with HATL’s patented D-Orbital Nano Oxide (DNO) catalyst technology. HEPA-13 filtration captures fine airborne particles, while DNO catalyst media are designed to address selected gaseous pollutants, odours, and biological contaminants at the catalyst surface.
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Healthy Air Technology - Air Cleansing Solutions
Healthy Air Technology - Air Purifiers

About Us

Healthy Air Technology began in an Oxford science park, where engineering in air pollution and building science met catalysis research. That combination still shapes how we work: every product is designed around real indoor spaces and supported by independent testing.
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News

How can air purification improve air quality in offices and co-working spaces?

How can air purification improve air quality in offices and co-working spaces?

Key points Offices and co-working spaces often contain a mixed pollutant profile: outdoor particles, indoor dust, VOCs, bioaerosols,…

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What a UK study reveals about indoor air triggers in asthma and COPD

What a UK study reveals about indoor air triggers in asthma and COPD

Key points A UK mixed-methods study (Holt et al., Indoor Air) surveyed 332 people with asthma or COPD…

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How can schools, universities and training centres use air cleaning effectively?

How can schools, universities and training centres use air cleaning effectively?

Key points Air cleaning can help reduce airborne particles in classrooms, lecture rooms, libraries, training rooms and shared…

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