What we do

JHA is a multidisciplinary group of building services engineers.

We provide a comprehensive technical service offering for all facets of the built environment industry.

Working on projects throughout Australia, JHA have offices in Sydney, Melbourne & Brisbane.

mechanical engineer services icon

Mechanical Engineering

Air conditioning, ventilation, smoke extract/control, central energy plants
Electrical Engineering Services icon

Electrical Engineering

Power distribution, lighting systems, communications, infrastructure, generation,
solar systems

Hydraulic engineers services icon


Sanitary plumbing & drainage, potable hot & cold water, recycled water, gas services,
stormwater drainage

Fire Engineers Services icon


Fire sprinkler, smoke detection, occupant warning, evacuation (EWIS), fire hydrant & fire hose
reel systems

Vertical Transport Engineer Services icon

Vertical Transport

Lifts, escalators, moving walks, platforms, hoists
Architectural Lighting Design Services icon

Specialist Lighting Design

Integrated architectural lighting, decorative & custom luminaire design, conceptual lighting master planning
Level 3 Engineer Services icon

HV & Level 3

Chamber and Padmount substations, high voltage transmission line works, 33kV-132kV, street lighting, network undergrounding, site
provisioning services

BIM Engineer Services icon

BIM & Digital Delivery

Building Information Modelling project management, model design & virtual reality
ICT Engineer Services icon


Network planning, GPON integration, app-applications, VoIP, PMS, PoS, planning & systems architecture, middleware bus integration
Acoustics Engineer Services icon

Acoustic Services

Architectural acoustics, building acoustics and sound insulation, mechanical services noise control, environmental acoustics
ESD Engineer Services icon

Environmentally Sustainable Design (ESD)

Energy Modelling, Thermal Comfort Analysis, Natural Ventilation Assessment, Daylight Assessment, Climate Risk Assessment,
Carbon Reporting

Audio Visual Engineer Services icon

Audio Visual

Medical & educational interactive collaboration, hospitality entertainment, smart home automation

Latest News JHA Consulting Engineers

UTS Careers Fair

Carbon Neutral Pathways for Building Portfolios.


The World is rapidly transitioning from being carbon intensive to a net zero carbon emissions future.

 Glazing into the Future of Australia’s Building Codes

Coogee Beach Centre Wins International Design Award.


Brewster Hjorth Architects win WAN 2018 Waterfront Category Award in London.

UTS Careers Fair

IES NSW Technical Meeting


JHA was delighted to be able to host the Illuminating Engineering Society (IES) at their Sydney Studio.