Enhancing NABERS Performance in an Aging Commercial Office Tower
NABERS energy rating
Reduction in energy use
Payback period
// case study
In this case study
// Introduction
Introduction
This aging commercial office tower is a high-rise asset located within a major metropolitan business district.
Recognising the evolving demands of the modern market and driven by a commitment to excellence, building management sought to proactively strengthen the asset’s sustainability credentials and operational performance to enhance its strong tenant offering.
// Challenge
Challenge
Building management sought to achieve a significant improvement in the NABERS energy rating. The brief focused on delivering efficiency improvements while minimising capital spend, avoiding disruption to tenants, and reducing performance risk through reliable, outcome-driven solutions.
// Core Services Provided
Core Services Provided
Conservia delivered a performance-driven optimisation program under a guaranteed EPC, focusing on:
HVAC & BMS Tuning: Advanced control strategies to improve system efficiency and responsiveness.
Plant Optimisation: Targeted chiller and cooling tower tuning to maximise mechanical performance.
Enhanced Metering: Additional metering to accurately capture NABERS performance data.
Rigorous Verification: Continuous measurement to ensure all upgrades deliver
intended results.
// Key Solutions
Key Solutions
The project implemented targeted operational improvements to optimize building performance and energy efficiency, including:
- Optimised HVAC control strategies to reduce energy use
- Improved system performance through targeted plant tuning
- Increased NABERS accuracy via refined metering approach
- Delivered a 5 Star NABERS-aligned performance outcome
- Implemented within a live building with no disruption
// Conslusions
Conclusion
By prioritising operational optimisation and performance guarantees, building management achieved a strong uplift in energy performance within a single NABERS cycle. Through visionary management and targeted optimisation, it has
strengthened its position as a leader in the office market, demonstrating that sustainability and financial performance align.
// Testimonial
Testimonial
“This project shows how smart optimisation can cut operating costs, reduce performance risk, and deliver outcomes backed by clear financial guarantees.”
– Conservia Project Statement
