COMMERCIAL & INDUSTRIAL HVAC SOLUTIONS ————
Mechanical HVAC Services You Can Rely On
Concept Mechanical Services has been delivering mechanical HVAC solutions across Sydney for over 16 years supporting commercial, retail, and industrial facilities with service, maintenance, and project delivery.
- 16+ Years in Sydney
- Licensed & Certified
- Commercial, Retail & Industrial
Call Us Now
02 9642 5400
End-to-end
Capability
Install, service and maintain all under one roof
Our Clients
Our client portfolio reflects a wide range of nationally recognised organisations,
demonstrating our experience across diverse industries.
- — About Us
Commercial HVAC Solutions You Can Rely On
Concept Mechanical Services (CMS) has built a strong reputation as a reliable and responsive contractor across Sydney. Our core business is service and maintenance, with hundreds of active contracts spanning commercial buildings, shopping centres, and industrial sites.
We work closely with property managers, facility managers, builders, and direct clients to ensure mechanical systems operate efficiently at all times.
In addition to our service division, CMS also delivers a wide range of project delivery and mechanical upgrade works, including plant replacements, fit-outs, refurbishments, and complex HVAC installations across commercial and industrial sectors.
About Concept
Concept Mechanical Services was established in 2010 by Director Max Karavatakis, who began his career as a service technician in 1988. With decades of hands-on experience, Max leads a team that is known for its approachable, boutique-style delivery — responsive, personalised, and focused on long-term client relationships.
Experience Convenience, Safety, and Expert Support
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Same day service / call outs
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Free estimates / quotes & budgets
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Licensed & certified
- — Why Choose Us
Partnering to Deliver Confidence
We deliver high-quality HVAC and mechanical services tailored for commercial and industrial environments, focusing on system reliability, energy efficiency, and long-term performance.
years in business
16
+
trade experience
35
+
employees
17
+
service , maintenance, and construction projects
100
+
- — Why Choose Us
Partnering to Deliver Confidence
We deliver high-quality HVAC and mechanical services tailored for commercial and industrial environments, focusing on system reliability, energy efficiency, and long-term performance.
years in business
16
+
trade experience throughout the company
35
+
employees
17
+
service , maintenance, and construction projects
100
+
- — PROJECTS
Our Recent Projects
ANZ – Cammeray Square
CMS completed the mechanical services fit out for ANZ at Cammeray Square, delivering works in accordance with the consultant engineer’s design documentation. The project included integration with the existing base building systems together with the supply and installation of new supplementary mechanical services tailored to suit the tenancy’s operational and architectural requirements.
10 Valentine Street
At 10 Valentine Street, CMS delivered a complete base building mechanical services upgrade, including the demolition and removal of the existing mechanical infrastructure and the supply and installation of a new mechanical system throughout the building. The project also included lobby and amenities upgrades, along with returning all commercial floors back to a new warm shell specification, with all works completed in accordance with the engineer’s specifications.
McMillan Shakespeare
CMS delivered the complete mechanical fit-out for McMillan Shakespeare’s Chatswood tenancy, including modifications and integration to the existing base building infrastructure. The works involved the installation of new mechanical systems designed to suit the unique tenancy layout and provide efficient servicing throughout the space.
Swaab
CMS successfully delivered the mechanical services installation across three floors for SWAAB at 20 Hunter Street. The project incorporated integration with existing base building systems alongside the supply and installation of new supplementary mechanical services to accommodate the tenancy’s bespoke fit-out design and operational requirements.
ANZ – Cammeray Square
CMS completed the mechanical services fit out for ANZ at Cammeray Square, delivering works in accordance with the consultant engineer’s design documentation. The project included integration with the existing base building systems together with the supply and installation of new supplementary mechanical services tailored to suit the tenancy’s operational and architectural requirements.
10 Valentine Street
At 10 Valentine Street, CMS delivered a complete base building mechanical services upgrade, including the demolition and removal of the existing mechanical infrastructure and the supply and installation of a new mechanical system throughout the building. The project also included lobby and amenities upgrades, along with returning all commercial floors back to a new warm shell specification, with all works completed in accordance with the engineer’s specifications.
McMillan Shakespeare
CMS delivered the complete mechanical fit-out for McMillan Shakespeare’s Chatswood tenancy, including modifications and integration to the existing base building infrastructure. The works involved the installation of new mechanical systems designed to suit the unique tenancy layout and provide efficient servicing throughout the space.
Swaab
CMS successfully delivered the mechanical services installation across three floors for SWAAB at 20 Hunter Street. The project incorporated integration with existing base building systems alongside the supply and installation of new supplementary mechanical services to accommodate the tenancy’s bespoke fit-out design and operational requirements.
- — Why Choose Us
Built for Performance
We deliver high-quality HVAC and mechanical services tailored for commercial and industrial environments, focusing on system reliability, energy efficiency, and long-term performance.
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Trusted by Businesses, Contractors & Facility Managers
Licensed & Accredited Team
All technicians are fully qualified, licensed. We hold NSW Contractor Licence 309104C, Refrigerant Trading Certificate AU30402, and FPAA accreditation for fire testing.
Competitive Project Pricing
We provide clear, transparent estimates with no hidden costs. As a mid-sized contractor, we remain competitive while delivering the quality and attention to detail of a specialist team.
Responsive & Personalised Service
Unlike large contractors, we offer a hands-on, boutique-style approach. We aim to attend site within two hours of contact and assign the same technician to your site for continuity.
- — OUR SERVICES
What We Offer
Tailored mechanical HVAC services across commercial, retail, and industrial sites throughout Sydney.
Service & Maintenance
Ongoing preventative maintenance, routine servicing, and emergency breakdown response across commercial, retail, and industrial facilities. Includes AFSS inspections, compliance support, and proactive system management to maintain reliable operation.
System Upgrades & Optimisation
Modification and upgrading of existing mechanical services to improve efficiency, accommodate tenancy changes, increase capacity, or meet updated building and operational requirements.
Fault Diagnosis & Reactive Works
Fast and effective response to mechanical faults, system failures, and performance issues. Our technicians provide practical troubleshooting, repairs, and solutions to minimise downtime and restore system operation efficiently.
Fit outs & construction
Delivery of mechanical fit outs, refurbishments, and tenancy projects ranging from minor modifications through to complete floor and base building upgrades. Works are coordinated closely with builders, consultants, and clients to ensure smooth project delivery and integration with existing systems.
Compliance & Certification
Provision of AFSS inspections, essential services testing, and compliance reporting to support statutory building obligations and ongoing operational reliability.
Need a Quote?
Contact our team today for a no-obligation consultation and site assessment.
Project Delivery & Coordination
End-to-end coordination of mechanical works, working alongside builders, consultants, and clients to ensure smooth delivery and well-integrated outcomes.
Fault Diagnosis & Reactive Works
Rapid identification and resolution of system faults, breakdowns, and performance issues, supported by experienced technicians and practical site knowledge.
System Upgrades & Modifications
Upgrade and modification of existing mechanical systems to improve performance, accommodate new layouts, or meet updated operational requirements.
Fitouts & Refurbishments
Delivery of mechanical fitouts and upgrades, from tenancy modifications through to larger-scale building works, tailored to suit each project and client requirement.
Service & Maintenance
Ongoing mechanical service, preventative maintenance, and emergency response across commercial, retail, and industrial sites. Includes certified AFSS inspections and compliance support.
Compliance & Certification
Provision of AFSS inspections, essential services testing, and compliance reporting to support statutory building obligations and ongoing operational reliability.
- — Testimonial
Trusted by Commercial & Industrial Clients
Exceptional Professionalism and Quick Response for Cooling Needs
The team delivered a complete HVAC installation for our office fitout ahead of schedule. The system performance has been excellent, and the process was seamless from start to finish. Highly professional and reliable.
Jerome Bell
Professional HVAC Upgrade Delivered with Precision
From design to installation, the project was handled with precision and professionalism. The HVAC system upgrade has enhanced comfort across our facility while reducing operating costs.
Michael Reynolds
Exceptional Ventilation Upgrade with Outstanding Results
We engaged them for a full ventilation upgrade across our commercial space. Their attention to detail, technical expertise, and efficiency exceeded expectations. The results have significantly improved airflow and energy efficiency.
James Thornton
Efficient HVAC Transformation with Excellent Service
From design to installation, the project was handled with precision and professionalism. The HVAC system upgrade has enhanced comfort across our facility while reducing operating costs.
Daniel Carter
Fast, Professional Carrier Installation with Major Energy Savings
Michael and his team installed a new Carrier system for us in two days, reducing our energy bills by 35% in the first month. Professional, clean and knowledgeable. Highly recommend.
Sarah Mitchell
Outstanding Service and Smooth Installation
The HVAC installation was completed efficiently and with great attention to detail. The team maintained excellent communication throughout the project, and the final system has been performing flawlessly. A dependable and professional company to work with.
Harry jaguard
Reliable Team and Excellent Results
From the initial consultation to final installation, the entire process was handled professionally. The project was delivered on time, and the cooling performance has exceeded our expectations. Highly recommended for commercial fitout projects.
Tom
Efficient, Professional, and High Quality
The team demonstrated exceptional expertise during our office HVAC installation. Everything was completed ahead of schedule, and the workmanship was outstanding. We are extremely satisfied with the system’s efficiency and reliability.
Harmen
Professional Execution and Great Performance
We were impressed by the team’s commitment to quality and timely delivery. The installation process was seamless, and the cooling system has been operating efficiently since day one. Truly a reliable partner for commercial HVAC solutions.
Olivia Bennett
Fast Turnaround and Outstanding Support
The installation was completed quickly without compromising quality. The team was knowledgeable, courteous, and highly organized throughout the project. The new system has significantly improved comfort across our workspace.
Benjamin Clarke
Trusted Professionals with Excellent Workmanship
Their attention to detail and commitment to customer satisfaction stood out from the beginning. The HVAC system was installed perfectly and has been performing exceptionally well. We would gladly work with them again on future projects.
Charlotte Hayes
Reliable Mechanical Solutions Starts Here
Whether you have a question, need a quote, or want to learn more about our services, we’re here to help. Get in touch with our team today!