Services
Engineering & Consulting
Expert energy audits, efficiency consulting and complete steam-system engineering — designed to cut costs, improve reliability and deliver measurable ROI across your operations.
Energy efficiency, engineered for ROI
O’Brien provides expert energy-audit solutions and steam-system engineering designed to optimise efficiency, identify cost savings and enhance sustainability. From energy-rating assessments to detailed design, we turn audits into practical, ROI-driven action.
04Implement
Procurement and delivery with minimal operational disruption.
01Audit
AS3598-compliant energy audits to determine your true running costs.
02Analyse
Clear ROI analysis for every recommendation we make.
03Design
Preliminary and detailed engineering and design work.
Core services
Three ways we help you reduce energy costs and engineer a more reliable plant.
Energy Audit
Conducted to the AS3598 Energy Audits standard to determine actual running costs and give you clear, actionable decision-making data.
Energy Efficiency Upgrades
A comprehensive system review to identify the most effective upgrade path for your steam and combustion plant.
New Steam System Solutions
End-to-end engineering, design and procurement of complete steam-system solutions.
Why choose O’Brien
Cost reduction
We identify cost-saving opportunities through energy-rating assessments and full audits.
Steam optimisation
Audits detect heat loss, leaks and equipment issues to cut consumption and extend lifespan.
Local expertise
Australian experience across Sydney, Brisbane, Melbourne and Perth, with state-specific regulatory knowledge.
Measurable ROI
Transparent, practical advice focused on payback you can measure.
See O’Brien in action
A look at how O’Brien helps industry run more efficiently.
Is an energy audit right for you?
An audit pays off when you see high energy bills without a clear cause, run energy-intensive equipment, face compliance obligations, or may be eligible for rebates and incentives.
Frequently asked questions
We analyse your operations to find opportunities to reduce energy consumption, conduct assessments and recommend compliance-aligned upgrades.
It examines steam generation and distribution efficiency, identifies losses and leaks, and targets reduced waste and improved reliability.
When you have unexplained high energy bills, operate energy-intensive equipment, face compliance requirements, or may qualify for rebates or incentives.
It varies by facility size and complexity — basic assessments take hours, while detailed industrial audits may require several days.
Reduced energy costs, regulatory compliance, extended equipment lifespan and access to government incentives.
Minor fixes deliver immediate reductions; larger upgrades typically achieve payback within 6–24 months depending on investment scale.