About Us

At D&E; Air Conditioning, our people are at the centre of everything we do. As one of Australia’s leading mechanical services contractors, we offer the opportunity to work on some of the country’s most complex and high-profile projects while being supported by a collaborative, safety-first, and team-oriented culture.

With over 35 years of industry success and a national workforce of more than 900 employees, we are committed to long-term career development, continuous learning, and recognising the contribution our people make every day. Join a business where stability, innovation, and genuine career progression go hand in hand.

About The Role

Reporting to the Estimating Manager, you will take ownership of estimating and tendering activities across HVAC and mechanical services projects. You’ll bring strong commercial awareness, technical understanding and a proactive approach to developing accurate, competitive and commercially sound estimates.

You’ll work closely with clients, consultants, suppliers, subcontractors, project managers and internal teams to understand project requirements, identify opportunities and ultimately help D&E; secure the right work.

Key responsibilities will include:

- Prepare accurate and commercially competitive estimates and tenders for HVAC and mechanical services projects.

- Analyse drawings, specifications and project documentation, completing quantity take-offs and identifying scope gaps, risks and value engineering opportunities.

- Obtain, assess and incorporate supplier and subcontractor quotations into project estimates.

- Take ownership of assigned tenders, including preparation, presentation, reporting and ongoing follow-up with clients and builders.

- Build strong relationships with clients, consultants, suppliers, subcontractors and internal project teams to understand requirements and maximise project opportunities.

- Contribute to continuous improvement across estimating processes while maintaining D&E;’s standards

About You





We’re looking for an experienced estimator who combines strong technical and commercial capability with excellent communication and relationship-building skills.

You will ideally have:

- Has proven experience as an Estimator within construction, preferably HVAC or mechanical services.

- Has strong commercial acumen and a solid understanding of HVAC systems, estimating and project costs.

- Is highly organised, analytical and able to manage multiple priorities and deadlines.

- Communicates confidently and builds strong relationships with clients, consultants, suppliers and internal teams.

- Takes a proactive, solutions-focused approach and is comfortable working both autonomously and collaboratively.

- Is committed to safety, quality, continuous improvement and delivering exceptional outcomes.

Why Join Us?

We’re proud of the culture we’ve built — one that values teamwork, accountability, innovation, and genuine collaboration. We foster an environment where ideas are welcomed, contributions are recognised, and people are empowered to take ownership and grow their careers.

What We Offer

- Leadership opportunities within one of Australia's largest privately owned HVAC contractors.

- Exposure to complex, high-profile commercial mechanical services projects.

- A collaborative national drafting team committed to sharing knowledge and driving innovation.

- Ongoing professional development and career progression opportunities.

- A values-driven culture built around Safety First, People Focused, One Team, and Exceptional Delivery.

- A business that embraces technology, continuous improvement, and investing in its people.

D&E; is an equal chance employer and encourages indigenous Australians to apply. We promote inclusiveness, cultural diversity, gender equality and non- discrimination. To be eligible to apply for this role you must be legally permitted to work permanently in Australia.

Kindly note, only shortlisted candidates will be contacted. Ready to take the next step? Visit D&E; Air Conditioning to learn more or click Apply now.

📌 Senior Estimator - HVAC (Hindmarsh)
🏢 D&E Air Conditioning
📍 Hindmarsh