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R-32 HVAC technology is something Daikin is recognized for world-wide. In fact, Daikin, being the company who launched the world’s 1st chiller to be equipped with R-32 refrigerant, and being the the company who has just recently launched the first heat pump in its capacity range to feature the same refrigerant, is considered a pioneer in developing technology with R-32.

Daikin has recently provided its R-32 technology for a commercial development of eight Office Blocks in a parkland residence, which is being built in Steyn City, in Johannesburg, South Africa. More specifically Daikin has installed a R-32 chiller EWAT-B– and a R-32 Heat Pump EWYT-B- to meet both the cooling and heating needs of the Block B, Steyn City project.


We had the chance to talk to Mr. Miguel Netto, Marketing Communications Manager at Daikin Air Conditioning South Africa (Pty) Ltd, who was kind enough to help us document the project through his works.

Units Installed:

  • EWAT470B-XSA2
  • EWYT115B-XSA1

Total capacity:

  • Cooking capacity 550kW
  • Heating capacity 100kW

Here is what Mr. Netto told us about the Steyn City, William Nicol Office Park, Block B


Background about the project

“The project is taking place in Steyn City, which is situated in Johannesburg, South Africa. The Parkland Residence comprises of over 2000 acres of land that is currently being developed to create the largest parkland residence in South Africa.

This commercial development is positioned adjacent to the William Nicol Gatehouse, and will benefit directly from the fast-tracked lane extensions that have alleviated traffic congestion between Mulbarton Road and the Erling Street turn off to Steyn City. A set of eight office blocks will make up this new commercial development”.

The Steyn City Parkland Residence is one of biggest and most exclusive developments in South Africa, and for this reason it has to offer the best comfort and the latest technologies also in terms of Air Conditioning.

Main project needs and requirements

“For this project the important aspects were definitely: energy efficiency, sustainability and reliability. All aspects that characterize Daikin products and that Daikin as a brand embodies.


From a technical perspective, the low GWP and sustainability were very important, and that is definitely the reason behind R-32 as refrigerant choice for the units installed. This choice in fact, allowed to address a very important need – using technology which can significantly reduce carbon emissions.

High energy efficiency levels

Also, the very high efficiency offered by both the R-32 units was very important. This is an aspect that clearly has an impact on energy consumptions and running costs related to the office building. So, it was their interest to install technology that can help keep energy consumption as low as possible.”


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