OHAir® MDU5 - UV Air Purifier - suitable ducted system servicing up to 300 sqm

  • $7,100.00
    Unit price per 
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Add a bit of sunshine into your home or office with the proven UV technology of OHAir®.

This not an air filtering system, the hydroxyl creation is what creates the magic.

Its an exceptionally fast, safe and effective air and surface sanitisation system which removes 99.99% of surface and air pathogens. Using powerful hydroxyl treatment technology, OHAir is a 24/7 sanitisation system.  It reduces the risk and spread of selected viruses and bacteria, which can cause illness and odours, providing a safer home and working environment.

This not an air filtering system, the hydroxyl creation is what creates the magic.

  • Removes 99.99% of air/ surface of selected viruses and bacteria within 6 to 10 hours when initially switched on, then maintains the air quality 24/7.
  • Same technology as used in FDA approved, Class II Medical Devices (Commercial grade systems)
  • Extensively tested and proven technology
  • Chemical free, safe and environmentally friendly
  • Suitable for any size room and scalable as required
  • Simple installation
  • UV Globe lasts approximately 12,000 hours (around 12 months), unit will advise when time to replace.

30 day money back guarantee.

Why OHAir® technology?

OHAir incorporates Odorox® technology, which uses a safe and efficient process based on a specially designed ultra-violet globe to mimic the effect of the sun, creating hydroxyls over a large area. It literally cleans the air you're breathing - and sterilises surfaces to ensure a healthy environment.

It's natural - OHAir technology mimics the natural effect of sunlight to produce safe, normally occurring atmospheric hydroxyls which act as natures cleaning agents within our atmosphere.

It's effective - OHAir technology will eliminate 99.9% of harmful bacteria and selected viruses,  as well as destroying mould and eliminating odours. All without using any potentially harmful or toxic chemicals.

It's immediate - An OHAir unit will immediately improve the health of the air you breathe. OHAir technology ensures the healthiest indoor environment for your employees and customers.

It's safe - Atmospheric hydroxyls themselves are completely natural and non-harmful to humans, plants or animals. OHAir technology uses a tried-and-tested method to produce hydroxyls safely, with no risk to humans.

 The OHAir unit contains a uniquely designed HGU (Hydroxyl Generation Unit) that uses proprietary UV technology to create hydroxyls, which sanitise the air, removing pathogens, odours, mould and volatile compounds.


Hydroxyl technology was first pioneered at NASA for use in the Space Shuttle and the International Space Station, and is now used worldwide. The dynamic nature of the hydroxyl molecule results in the destruction of any bacteria and virus it contacts, by penetrating their cell walls.

The 'constant stream' effect of the OHAir unit provides the ongoing generation of hydroxyls, projecting them through the air and onto surfaces in the room - where they 'seek and destroy' pathogens such as bacteria and viruses and safely eliminate them.

Hydroxyls (OH) are safe, naturally occurring molecules that are created in our atmosphere when the sun's ultraviolet rays react with water vapor. They play a critical role in cleaning the earth's atmosphere and are often referred to as the "detergent" of the atmosphere. They can be utilised to kill bacteria, selected viruses and mould, and to break down volatile organic compounds (VOCs), chemical fumes, gases, vapors and unpleasant odours. 

Through the use of proprietary UV technology, OHAir replicates the natural production of hydroxyls to actively eliminate biological and chemical contaminants. 

OHAir is available as a portable unit, suitable for individual rooms, or as a fixed installation (MDU5 pictured within the air conditioning system for large areas -which works 24/7 to protect your indoor spaces, please contact us for more details on this commercial unit.

More info available at ohair.com.au


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