Specialised building services, by experts, trusted locally

Featured project
Featured project
CommercialNewcastle, Australia

“$43 million major expansion project to provide 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 to maintenance, our full-service approach ensures every system is engineered to perform. That's The Benmax Way.

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Mechanical & HVAC Expertise

Fire Safety & Compliance

Water Treatment & Environmental Services

Refrigeration
Solutions

Specialised HVAC Systems

Prefabrication 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.

  • "Benmax have had a great partnership with Canberra Airport as a family-owned business for a long time. We value what family business relationships bring and continue to foster these partnerships in maintaining our buildings to a high standard well into the future."

    "Benmax has proven to be a top-tier mechanical services contractor that delivers excellent quality."

    "Benmax consistently delivers high-quality fabrication and innovative modular design, enhancing our projects' efficiency and flexibility. Their professionalism and attention to detail make them a valued long-term partner."

    "I enjoyed the journey with Benmax, on a project priced during covid prior to escalation, and with a difficult client with ever-changing needs. Thank you for the cooperation, professionalism and enjoyable journey."

    "The project went well, they were responsive to the program and delivered within the timeframe and were collaborative when dealing with other contractors on site."

Canberra Airport

Edgar Castro

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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...”

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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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