Specialised building services, by experts, trusted locally

Featured project
Featured project
CommercialNewcastle, Australia

“$43 million major expansion project provides greater public access to nationally significant art collection”

We specialise in solving the toughest HVAC challenges, led by a team we’ve carefully trained and supported to be the best in the industry.

ABOUT BENMAX
1986
Since1986

Staying true to who we are.

Building projects of every scale. Backing local talent.

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We started in 1986 with a clear vision: do the right thing, deliver quality, and treat people like family.

Why did we start? Simple—there was room in the market to do things better. Over the years, our vision has grown, but the heart of the company has stayed the same.

Local hands at work

Engineering at scale

Engineering at scale

Our services

All in-house

From design and construction to commissioning and maintenance, our full-service approach ensures every system is engineered to perform. That's The Benmax Way.

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Mechanical & HVAC Expertise

Specialised HVAC Systems

Fabrication Services

Refrigeration
Solutions

Fire Safety & Compliance

Water Treatment & Environmental Services

Proven solutions.
Real results.

View our work

Australian War Memorial CEW Bean Building & Central Energy Plant

Government, HeritageCanberra, Australia
  • Purpose-built Central Energy Plant delivers Australia’s largest vertical closed loop GHX system
  • Geothermal system replaces traditional gas and electric with a 100% renewable energy source, ultimately saving on cost, space and emissions
  • Provides chilled and heating water to the entire AWM site encompassing five separate buildings and 145,000m² of floor area

Australian War Memorial New Southern Entry & Main Building

Government, HeritageCanberra, Australia
  • Heritage-listed and culturally significant site
  • $550m major redevelopment and expansion
  • Main Works Package 1 and Main Works Package 4

Aunty Agnes Shea High School

Education, GovernmentCanberra, Australia
  • Electric HVAC systems
  • Environmental initiatives including 250kW solar photovoltaic and associated battery system

Building the future, faster.

Talk to our Fabrication team

Building the future of Australia's AI DCs with our specialist in-house team of tradespeople for all stages of prefabrication. We're delivering on critical services and modular construction process, from design to deployment.

Built on trust.
Chosen for performance.

  • "9/10. They delivered and completed scope and responsibilities without question."

    "10/10. Very easy to deal with, professional and quality workmanship."

    "10/10. Exceptional quality of work, project teams are very sound, management is always available and accessible."

    "Benmax is a great technical business that has delivered some of Canberra's most challenging HVAC projects. On jobs that are hard,or technical, or mission critical there is nobody in our market that i trust more. If there are challenges in delivery Benmax are up front and truthful about them and this allows mature project teams to work together and deliver great outcomes."

    "10/10, Benmax has been a pleasure to work with throughout the project. Their team are professional, responsive, and highly committed to delivering quality outcomes. Communication has been clear and proactive, and they have consistently shown flexibility and a solutions focused approach when challenges arose. A reliable partner that brings strong technical capability and a great team attitude."

    "10/10. Benmax provides reliable and informed information on project work. Benmax technicians present with a can-do attitude and conduct all activities with the highest degree of professionalism."

    "9/10. The service team support is outstanding."

ANSTO

Geoff Dyer (Sept 2026)

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Local commitment.
Industry leadership.

From training the next generation to supporting our local community, we invest in our people and their places.

our community

“The collaboration and innovation between Benmax and FCC in the prefabrication of the mechanical services plantroom resulted in significant reduction in crane lifts, substantial gains to the construction programme...”

Start a project with us today.

Have questions about our services, looking for project estimates, or need technical advice? Our dedicated team is here to assist you.

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