what we do.

We deliver end-to-end HVAC and mechanical solutions across design, installation, commissioning and ongoing maintenance, proudly servicing Melbourne’s South East and the Mornington Peninsula.

At Le Gassick, we work across residential, commercial, industrial, retail, healthcare, education, government and high-end residential sectors, providing reliable, performance-driven systems tailored to each project’s requirements.

Our expertise covers everything from concept design and drafting, advanced CFD modelling, and fully coordinated shop drawings, through to expert project management, commissioning, and seamless handover.

Beyond project delivery, we set ourselves apart with exceptional maintenance and servicing of air conditioning units, providing tailored preventative programs, responsive repairs, and ongoing optimisation to keep systems operating at peak performance.

With in-house technicians, refrigeration mechanics, and a dedicated service team, we ensure every system is efficient, reliable, and built to last — giving our clients total confidence long after completion.

Work With Us

our services.

We provide comprehensive HVAC solutions across design, installation, commissioning, and ongoing maintenance. Our team combines technical expertise with industry-leading practices to deliver efficient, reliable, and tailored outcomes for residential, commercial, and industrial projects.

  • From preliminary concept to detailed planning, our skilled mechanical engineering subcontractors provide expert guidance on system performance, ensuring every design meets project requirements.

    We offer:

    • Design & Drafting: Detailed system performance data, modifications within D&C contracts, and extensive VM options for consideration

    • CFD Modelling: Capability to provide advanced computational fluid dynamics modelling with Reg 126 certification

    • Shop Drawings: Fast and comprehensive submission of IFA & IFC shop drawings  produced in collaboration with our engineering team, tailored to project size and timeframes

    • Services Coordination: Leading coordination and overlay production for all building services, ensuring seamless integration across discipline

  • Our project managers (PMs) oversee every stage, from subcontract signing to project completion, ensuring schedules, quality, and safety standards are met.

    Key services include:

    • Monitoring shop drawing production to prevent delays or missed requirements

    • Maintaining clear, ongoing communication with the main contractor and on-site Le Gassick team

    • Leading experienced site teams to stay on or ahead of project schedules

    • Strict adherence to Australian safety and industry standards

  • We have a skilled team of in-house commissioning technicians and refrigeration mechanics, combining attention to detail with expert problemsolving to ensure projects are delivered smoothly and to the highest standard.

    Key strengths include:

    • Expert Commissioning & Problem Solving: Addressing issues proactively to prevent delays

    • HVAC Service, Maintenance & Repair: Thorough inspections and detailed reporting throughout the DLP and beyond

    • Planned Preventative Maintenance (PPM) Packages: Tailored programs to maintain efficiency and protect long-term investment

    • Attention to Detail: Ensuring optimal system performance and a quality finished product every time

  • We pride ourselves on reliability and responsiveness, providing top-tier service when clients need it most, lead by Jack Le Gassick.

    Our service department offers:

    • Proactive Maintenance Programs: Tailored preventative solutions that reduce breakdowns and extend equipment life

    • Dedicated Service Team: Experienced professionals delivering fast and effective solutions

    • Real-Time Support & Communication: Advanced service management systems for live updates and tracking

    • Guaranteed Response Times: Clear service level agreements ensuring quick resolutions for contracted clients

    Key strengths include:

    • Expert Commissioning & Problem Solving: Addressing issues proactively to prevent delays

    • HVAC Service, Maintenance & Repair: Thorough inspections and detailed reporting throughout the DLP and beyond

    • Planned Preventative Maintenance (PPM) Packages: Tailored programs to maintain efficiency and protect long-term investment

    • Attention to Detail: Ensuring optimal system performance and a quality finished product every time