Engineering partners, for what Australia builds next.

Certified design · Sustainable approach · On time, every time. Mechanical, hydraulic, electrical and sustainable building services for construction across Australia.

Contemporary commercial building
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Mechanical SystemsHydraulic SystemsElectrical SystemsSustainability · ESD · CFDKitchen Exhaust & FiltrationCentral Cooling & Heating PlantsBuilding Thermal ModellingCarpark Ventilation DesignCFD ModellingSmoke Hazard ManagementBIM & Digital DeliveryDrafting Services
Mechanical SystemsHydraulic SystemsElectrical SystemsSustainability · ESD · CFDKitchen Exhaust & FiltrationCentral Cooling & Heating PlantsBuilding Thermal ModellingCarpark Ventilation DesignCFD ModellingSmoke Hazard ManagementBIM & Digital DeliveryDrafting Services

Seven disciplines. One coordinated model.

Scroll — move through the building as each discipline takes focus.

How we work

Concept & feasibilityDesign developmentCoordinationQA & peer reviewDelivery & support
Step 01
Concept & feasibility
Step 01

Concept & feasibility

We scope the brief, assess options and set the engineering direction with the client and design team.

Concept & feasibilityDesign developmentCoordinationQA & peer reviewDelivery & support
Step 02
Design development
Step 02

Design development

Systems are designed in detail — sized, specified and modelled against the architecture.

Concept & feasibilityDesign developmentCoordinationQA & peer reviewDelivery & support
Step 03
Coordination
Step 03

Coordination

All services are brought together in one federated BIM model; clashes resolved before site.

Concept & feasibilityDesign developmentCoordinationQA & peer reviewDelivery & support
Step 04
QA & peer review
Step 04

QA & peer review

Multi-stage quality assurance and independent peer review before documentation is issued.

Concept & feasibilityDesign developmentCoordinationQA & peer reviewDelivery & support
Step 05
Delivery & support
Step 05

Delivery & support

Shop-drawing review, site support and O&M documentation through to handover.

Engineering tools & calculators

Explore all 12 engineering sizing and compliance tools from our current resource library, designed for Australian building services.

Open all tools
01Calculator

Hydronic Pressure Loss & Pump Head Calculator

Estimates hydronic-system pressure loss and total pump head across pipework, fittings, coils and plant components.

Hydronic design referenceOpen →
02Calculator

AS/NZS 5149 Refrigerant Charge Calculator

Assesses maximum refrigerant charge limits for occupied spaces using toxicity and flammability criteria.

AS/NZS 5149.1Open →
03Calculator

NCC Section J Pipe Size Calculator

Selects compliant copper or steel hydronic pipe sizes and reports velocity and pressure loss for the NCC index run.

NCC 2019 J5.7(d)Open →
04Calculator

Hydronic Pipe Size Calculator

Sizes chilled-water and heating-water pipework from design flow, velocity and pressure-loss criteria.

Hydronic design referenceOpen →
05Calculator

NCC Fan Efficiency Calculator

Checks fan-system power and efficiency against National Construction Code Section J requirements.

NCC Section JOpen →
06Calculator

Duct Size Calculator

Sizes circular and rectangular HVAC ducts from design airflow and velocity for supply, return and exhaust systems.

AS 1668Open →
07Calculator

AS 1668.2 Table D Multiple Enclosures

Estimates common exhaust airflow for multiple enclosures using the simultaneous-use factors in Table D.

AS 1668.2 Table DOpen →
08Calculator

Supplementary A/C Calculator

Estimates supplementary cooling capacity for equipment-dense spaces and other internal heat loads.

Engineering referenceOpen →
09Calculator

Expansion Tank Size Calculator

Estimates hydronic expansion-tank volume from system volume, temperatures, static head and fill pressures.

Hydronic design referenceOpen →
10Calculator

Condensate Pipe Calculator

Sizes condensate-drain pipe capacity for air-conditioning equipment and connected systems.

Engineering referenceOpen →
11Calculator

Cooling Tower Water Usage Calculator

Estimates evaporation, drift, blowdown and makeup-water demand from tower load and cycles of concentration.

Engineering referenceOpen →
12Calculator

Cable Size Calculator

Sizes the smallest active cable that satisfies current-carrying capacity and voltage drop, with the applicable table reference returned alongside the result.

AS/NZS 3008.1.1:2017Open →
0+Projects documented
0+Years in practice
0Coordinated disciplines
0Sectors served

What clients say

★★★★★
I chose the True Partners Consulting Engineer team to complete the design of a multi-storey project. I recommend selecting a friendly, knowledgeable, and experienced adviser who works diligently and ensures that the work is delivered on time. Thanks, Allen, for your effort, and I wish you a great and successful future.
Sarmad Jamma · Project Manager, Samjas Construction · Lantana Multistorey Carpark Facility
★★★★★
Allen from True Partners have recently just completed a design for Liquid Nitrogen mechanical exhaust system for our client in health sector. We were very pleased with their response to attending site early and their quick turnaround in providing a design that was cost effective and one that met all client requirements. Allen showed impressive knowledge about the requirements for this new space. The attention to detail was clear in every aspect of their delivery model. Thank you for your hard work and commitment.
Firas Sami · Director, FBS Construction · IVF Australia
★★★★★
Our experience with True Partners Consulting Engineers was nothing but easy and professional. Their communication and turnaround time was excellent throughout the process, and they produced a high quality set of drawings in a very reasonable time and affordable cost. Highly recommended!
Siavash Esfandiari · Lead Electrical Engineer, Hatch · Queensland Children’s Hospital

Get in touch

Pricing, scope, peer review or rapid turnaround on a tender package — send us a brief or call the studio.

Sent securely to True Partners. Prefer phone? Call 02 8604 7575.

Studio
15 Spottedgum Place
Rouse Hill, NSW 2155
Hours
Mon–Fri · 8:00 am – 5:00 pm AEST
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