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BMS Case Studies & Insights – OzTech Building Management Systems

Latest BMS Insights

Expert insights and practical guidance for optimizing your building management systems

Modern BMS installation at 66 Goulburn Street Sydney showing Tridium Niagara control panel

BMS Retrofit Case Study: 66 Goulburn, Sydney

Retrofitted a 15-year-old BMS with a modern, open-source Tridium Niagara head-end and BACnet hardware—delivering flexible, future-proof control. Delivered significant early energy reductions, with a 20% reduction in rolling 12-month consumption.

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320 Pitt Street building exterior showing commercial office tower in Sydney CBD

Seamless BMS Integration Achieves PCA A-Grade and NABERS Goals at 320 Pitt Street

OzTech upgraded mid and high-rise BMS systems to PCA A-grade standards for a Federal Government tenancy. OzTech delivered energy-saving strategies targeting NABERS 5 stars while improving building performance, comfort, and efficiency with minimal maintenance disruption.

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World Square retail complex in Sydney CBD showing modern commercial building facade

$1M+ BMS & Network Retrofit at Premium Sydney CBD Retail Hub

OzTech delivered a full BMS retrofit and ICN infrastructure upgrade, seamlessly transitioning from legacy systems to open architecture. With strong stakeholder coordination and risk mitigation, our BMS service team installed over $1 million in hardware replacements, achieving more than 30% energy savings.

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St Andrews House heritage education building showing historic architecture and modern BMS integration

Seamless BMS Integration for a Heritage Education Site

OzTech completed a complex BMS retrofit, replacing aging pneumatic hardware and incompatible DDC platforms. Our BMS projects team upgraded 20 air handling units, 60+ fan coil units, and 60 induction units within a strict two-week holiday window, achieving a 20% energy reduction through coordinated mechanical upgrades and seamless execution.

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255 Pitt Street commercial building in Sydney showing modern office tower

42% Energy Savings from Two Weeks of Smart BMS Controls at 255 Pitt St, Sydney

OzTech delivered a high-impact energy upgrade that achieved a 42% reduction in chiller consumption, 20% lower year-to-date electricity use, and 127,400 kWh saved in just five months. With only a $10k initial investment, the project delivered rapid payback while also improving NABERS by +0.5 stars.

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Modern commercial building facade representing NSW Police headquarters BMS retrofit project

Threading the Needle: Police HQ’s High Stakes BMS Retrofit

OzTech successfully delivered one of our most complex BMS retrofit projects, migrating 431 VAV boxes, 96 air handling units, and 2 cooling towers from a fragile LonWorks-based legacy head end to a modern platform. Completed in stages with zero downtime, our BMS service team ensured no tenant disruption while meeting aggressive timelines.

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Commercial building in Wollongong representing 77 Market Street BMS retrofit location

77 Market Street Wollongong, BMS Retrofit and Service Takeover Success

Live migration from decades old proprietary legacy head end and hardware to a new head end in multiple stages with no major faults or service interruption.

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Modern office building representing Citadel Towers NABERS energy efficiency upgrade

From 3.5 to 5 Stars: A Five-Year NABERS Transformation at Citadel Towers

This BMS project delivered major energy and cost savings by installing a new BMS with predictive HVAC controls, upgrading to smart LED lighting, and replacing old chillers with high-efficiency Turbocor units.

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