 "Modern tower")
About Us
Building Automation — Simplified.
Streamlining HVAC controls for efficient, sustainable buildings. Partner with us for expert engineering solutions.
AC DDC (Air Conditioning Direct Digital Controls) is a company in building automation engineering industry, delivering reliable and efficient HVAC control solutions across Australia.
Founded by industry expert Craig Broughton, we bring over three decades of hands-on experience to every project. Our mission is straightforward: to design smarter, more comfortable, and energy-efficient buildings.
Explore our story below and discover how our expertise, dedication, and customer-first approach set us apart.
Who We Are
We are a proudly independent HVAC controls provider committed to precision, reliability, and long-term performance. Built on the values of trust, transparency, and technical excellence, AC DDC is led by Craig Broughton, with support from his wife, Gill, in the accounting department.
Since 2007, our culture has centred on craftsmanship and problem-solving—traits that have shaped our reputation for delivering consistent, high-quality results.
Since 2007, our culture has centred on craftsmanship and problem-solving—traits that have shaped our reputation for delivering consistent, high-quality results.
Our Location
Based in Monbulk, Victoria, AC DDC Pty Ltd proudly serves clients across Melbourne and beyond.
Whether you’re in the heart of the city or the surrounding areas, we’re here to provide expert HVAC control solutions
Our Team
A commitment to exceptional service and technical precision drives our small, yet dedicated team.
Craig Broughton
Director & Lead Engineer
Craig brings 30 years of experience in building services, spanning the UK and Australia. With extensive knowledge across Siemens, American Auto Matrix, KMC, Tridium, and major protocols such as LON, Modbus, and BACnet, he has engineered major projects including the London Underground HQ, Texaco Docklands, Exhibition Telephone Exchange, and the ANZ Building.
Gill Broughton
Accounts Management
Gill ensures the smooth and organised operation of our accounting processes, supporting clients with professionalism and care
Together, we deliver expertise, responsiveness, and attention to detail that clients rely on.
What We Do
At AC DDC Pty Ltd, we specialise in HVAC control services that address the unique challenges of modern buildings. Our core services include:
Building Automation Engineering
We design and deliver reliable control solutions that keep HVAC systems running efficiently and consistently.
System Integration
Seamlessly connect and optimise systems using LON, Modbus, BACnet and other major protocols for improved visibility and performance.
Commissioning & Upgrades
Ensure your system operates at peak efficiency while future-proofing your building’s controls.
Why Choose Us
We understand you have options, but here’s why AC DDC Pty Ltd stands out
Unmatched Expertise
With 30+ years in the industry, we bring unparalleled knowledge to every project.
Proven Track Record
We focus on practical, high-impact results that improve comfort, lower costs, and extend the system's lifespan.
Personalised Service
As a family-run business, we prioritise relationships and tailor our solutions to meet your specific needs.
Our Mission
At AC DDC Pty Ltd, our mission is to enhance building efficiency and sustainability through innovative HVAC control solutions. We’re driven by a passion for excellence, a commitment to quality, and a dedication to making a positive impact on the built environment. Together, we create more innovative, greener spaces for a better future.
Get in Touch
Choose AC DDC for reliable, innovative, and customer-focused HVAC control services.
Let’s build something great together.