Engineering Consultants Sunshine Coast
RPG‑3N1 Consulting Engineers is a specialist building services consultancy delivering electrical and mechanical engineering across the Sunshine Coast and Queensland. Since 2003 our team has supported projects across residential, commercial, hospitality, retail, laboratory and institutional sectors.
We provide engineering solutions that support efficient construction, regulatory compliance and long‑term building performance. Builders, developers and architects rely on our consultancy because our designs are practical and construction‑ready.
Construction Engineering
Construction knowledge drives our engineering approach.
Our team provides site coordination support, buildability reviews and contractor collaboration throughout the construction phase.
This ensures building services integrate smoothly with structural and architectural elements.
Electrical Engineering
Our electrical engineers design reliable and efficient power systems for complex developments.
Services include lighting design, power reticulation, emergency lighting, structured communications, security systems, fire alarm systems and Energex/Ergon coordination.
We also design EV charging infrastructure, standby generation systems and high reliability UPS installations.
Mechanical Engineering
Our mechanical engineering team specialises in HVAC and environmental control systems.
We design chilled water systems, condenser water systems, ventilation systems, car park exhaust systems and smoke control solutions.
Our experience includes hospitals, laboratories, data centres and major commercial buildings.
Consultancy Services
RPG‑3N1 also provides specialist engineering consultancy services.
These include building services audits, energy usage analysis, design documentation, compliance certification and independent peer reviews.
We also assist project teams with technical mediation during construction disputes.
