| The average GHG
performance of existing commercial buildings is
estimated to be in the range of 2.5 – 3.0 stars for
NABERS Energy – well below the threshold of 4.5 required
by the Federal and State Governments tenancies.
The current Mandatory Disclosure policy, coupled with corporate sector commitments to reduce greenhouse gas emissions, makes it imperative for building owners to enhance the greenhouse performance of their existing commercial office building portfolio.
| Building owners
face the risk that current greenhouse performance of
existing office buildings could compromise asset values.
However, on the upside, there is enormous potential to cost effectively achieve enhanced greenhouse performance through energy efficiency improvements.
components working in conjunction with each other impact
on overall building performance. Often these individual
components require conflicting operating conditions to
operate at their individual best efficiencies.
The chilled water plant subsystem can be the single largest contributor to base building greenhouse gas emissions. An end-of-life capital upgrade therefore presents the opportunity to review the overall sizing of the chiller plant and the existing chiller mix in the plant room. Like-for-like replacement of central plant components is indeed a missed opportunity to leverage maximum chilled water plant energy performance. Hence, it is imperative to focus on capital upgrade of central chilled water plant in a holistic manner to make the building future proof.
Team Catalyst’s expertise in energy modeling, coupled with its knowledge of central plant systems, places it in a unique position to offer cost effective innovative solutions that maximise overall system efficiency of the building.
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