Our
Services
Here at Gray Bros Air Conditioning, we provide expert mechanical ventilation, air conditioning, and maintenance solutions designed for performance and longevity.
Our team of experts design, install, and maintain advanced HVAC systems, for seamless integration, regulatory compliance, and operational continuity for commercial and industrial environments
Our team of experts design, install, and maintain advanced HVAC systems, for seamless integration, regulatory compliance, and operational continuity for commercial and industrial environments.
Mechanical Ventilation
Commercial & Industrial Ventilation Systems Designed to Perform
Effective mechanical ventilation is critical to indoor air quality, occupant comfort and regulatory compliance. At Gray Bros Air Conditioning, we design, install and maintain mechanical ventilation systems that are purpose-built for your facility and operating requirements.
Our team takes a whole-of-system approach — balancing airflow, efficiency and control — to ensure optimal performance from day one. Every solution is engineered to meet Australian Standards and relevant building codes, with a strong focus on reliability and long-term serviceability.
Our mechanical ventilation services include:
System design, installation and commissioning
Building Management System (BMS) integration
Car park exhaust and CO₂ monitoring systems
Bathroom and amenities exhaust systems
Kitchen exhaust and make-up air systems
Ventilation fans, motors and controls
Whether it’s a new build or an upgrade to an existing system, we deliver ventilation solutions that support safe, healthy and efficient buildings.
Air
Conditioning
End-to-End Commercial Air Conditioning Solutions
Gray Bros Air Conditioning specialises in the design and installation of commercial and industrial air conditioning systems tailored to your building, usage and budget. We work closely with consultants, builders and clients to deliver systems that balance performance, efficiency and comfort.
Leveraging the latest HVAC technologies and control solutions, our team ensures every system is designed for optimal operation, reduced energy consumption and future scalability.
Our air conditioning capabilities include:
Fully ducted and wall-mounted split systems
VRV / VRF systems
Packaged units and rooftop units
Air Handling Units (AHUs)
Chillers, boilers and cooling towers
Ducted fan coil units and ventilation integration
From concept to commissioning, we ensure your system performs exactly as intended — with minimal disruption and maximum reliability.
Scheduled Service
& Maintenance
Proactive Maintenance That Protects Performance
Regular servicing is essential to maintaining system efficiency, reliability and lifespan. Gray Bros Air Conditioning delivers structured maintenance programs designed to reduce breakdowns, optimise performance and lower long-term operating costs.
Our preventative maintenance approach helps identify potential issues early — before they escalate into costly failures or downtime. All maintenance is carried out by qualified technicians with a strong understanding of complex commercial systems.
Benefits of scheduled HVAC maintenance include:
Improved energy efficiency
Reduced unexpected breakdowns
Extended equipment lifespan
Compliance with safety and regulatory requirements
Predictable maintenance planning and reporting
We tailor every maintenance program to suit your equipment, operating hours and risk profile — keeping your systems running at their best year-round.
Emergency Breakdowns
Fast, Reliable HVAC Breakdown Support
When systems fail, downtime can impact comfort, operations and safety. Gray Bros Air Conditioning provides responsive breakdown and repair services to restore performance as quickly and efficiently as possible.
Our technicians are equipped with advanced diagnostic tools and access to real-time system data, allowing faults to be identified accurately and resolved with minimal disruption.
Our breakdown services cover:
Emergency call-outs
Fault diagnostics and reporting
Mechanical and electrical repairs
Control system troubleshooting
Temporary solutions where required
With a strong focus on safety, communication and reliability, we help clients get back up and running — fast.
WHY CHOOSE GRAY BROS AIR CONDITIONING
Want to know more?
Our clients choose Gray Bros Air Conditioning across South East Queensland for our:
Extensive experience in commercial and industrial HVAC
Strong focus on safety, compliance and quality workmanship
End-to-end service: design, install, service and maintain
Trusted by builders, consultants and asset managers
We are a family-owned and operated Australian business
If you’re looking for an HVAC partner who values long-term performance as much as installation day, Gray Bros Air Conditioning is ready to help.
Talk to our team about your next project or ongoing service requirements.