Daikin Self Cleaning Air Conditioning Provide Proven Energy Savings

Posted in Air Conditioning Equipment

We have heard lots of buzz recently about the Daikin Self Cleaning Roundflow Cassette air conditioning systems. Here is a quick breakdown of how they work and why we think they are a good investment.


How Do Daikin Self Cleaning Air Conditioning Cassettes Work?

These Daikin self cleaning air conditioning cassettes are an industry first and the concept is innovative. The cassettes have an automatic cleaning function, which operates daily. It does this by having a rotating filter that glides past a special brush – this brush removes any dust that has accumulated within the filter that day. The dust is then sucked into a specialist storage chamber, simply by using the airflow from the indoor fan.

Once this chamber is full (after approximately 6 months worth of use) it can be emptied simply by using an extension pipe, supplied by Daikin with the unit, which fits onto a standard vacuum cleaner hose. The extension pipe removes the dust quickly and easily via a small port in the grille, meaning that staff are able to complete this task themselves.


The Trial

Daikin conducted a trial to test the energy efficiency and running costs of these self cleaning air conditioning units alongside a like for like Daikin equivalent. This trial started in July 2010 and was conducted in a betting office in the West Midlands. A new cassette with the self cleaning mechanism was installed to run alongside an identical Daikin system which did not have the self cleaning mechanism. Daikin monitored each system for performance, energy efficiency, running costs and overall cleanliness around the unit for 12 months. The betting shop trades for 94 hours each week, meaning the AC units were working in a demanding environment to keep the shop (and its clients and staff) comfortable during all that time.

The published figures from Daikin show that the Self Cleaning Roundflow air conditioning cassette reduced overall energy consumption by an impressive 49% across the 12 months, in direct comparison to the other unit. Naturally, this meant a reduction in the running costs too – £272.31 for the self cleaning cassette, compared with £541.66 for the standard cassette. Daikin also confirmed that the self cleaning system “also saved two tonnes of carbon dioxide over the year”, once again in comparison to the standard unit.


Why Invest in Daikin Self Cleaning Air Conditioning?

  1. These self cleaning cassettes deliver an energy saving of around 30% in a normal environment, in comparison to a like for like unit without the self cleaning system. This can be increased by up to 50% in certain circumstances (like in the above study).
  2. These cassettes also prevent the occurrence of dirt trails around the unit on the surrounding ceiling tiles. This can add up to further cost savings, because the surrounding tiles do not need to be cleaned or replaced as a result of the accumulation of grime from the AC unit.
  3. The cassette creates an even temperature and air flow distribution using a 360 degree radial air pattern. This is especially great for offices, where the air flow of traditional units causes some employees to be too cool whilst others are too warm, depending on the location of their desks.
  4. Reduces maintenance costs by lessening the need for professional filter cleans (it will still require a service each year as the self cleaning does not extend to the outdoor unit)
  5. The self cleaning air conditioner ensures the unit doesn’t drop in efficiency, as the build up of dust in the filter can decrease air flow by up to 65%.


Ceiling Cassettes in Office

Offices can benefit from installing the Daikin self cleaning air conditioning too

Our Conclusion

Using these units seems like an excellent way for companies to not only reduce their energy consumption and running costs, but also to help them meet their responsibilities when it comes to reducing their carbon footprint.

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