Commercial HVAC and Air Conditioning Service and Repairs
Expert HVAC Service and Maintenance Throughout Melbourne
Air Conditioning Maintenance Built Around Your Needs
We understand that a safe, healthy workplace starts with a reliable HVAC system that’s why provide customised preventative maintenance and repair plans tailored to your building type, usage and compliance needs—whether it’s a school, aged care facility, retail space or apartment building.
Our plans are designed to reduce the risk of breakdowns, lower repair costs, extend the life of your equipment and ensure compliance with all relevant regulations.
- Split Systems
- Ducted Systems
- Commercial Boilers
- Commercial Chillers
- HVAC Systems
- Commercial Refrigeration


Industries we work in
We know that in commercial settings, a reliable HVAC system is essential. From keeping staff and customers comfortable to maintaining air quality and supporting the daily function of your operations, it needs to just work.
Our maintenance services are built to make that happen, without disruption or second thought.
- Proactive inspections to catch issues early
- Detailed system cleaning to maintain healthy air quality
- Regular refrigerant checks for consistent temperatures
- Component inspections to prevent unexpected failures
- Reliable and timely repairs when urgent assistance is required
With our HVAC service plans in place, your heating and cooling systems perform consistently—no seasonal stress, and no guessing when something needs attention.
The Smarter Approach to HVAC Maintenance
We Predict and Prevent Problems—Instead of Just Reacting to Them.

ExpertTechnicians
35 years experience combined with our passion for innovation and excellence means peace of mind for your business.

CustomisedMaintenance Plans
We work closely with you to create preventative maintenance programs that are tailored to your business and equipment needs.

ReliableService 24/7
We pride ourselves on providing excellent service when you need it most, ensuring minimal disruption to your operations.

ProactiveApproach
Our preventative maintenance approach helps mitigate risks, extend equipment life, and keep costs down.
The Benefits of Preventative Maintenance

Regular servicing keeps your systems running longer, reducing the need for premature replacements.
Well-maintained systems use less energy, helping lower your operational costs.
With preventative maintenance, we can identify potential issues before they cause system failures.
Proactive maintenance helps you avoid costly emergency repairs and reduces overall running costs.
Need a Quote? Contact Air Four Today
Our Accreditations & Certifications
Our proven operating systems, a solid management structure and an experienced team of air conditioning and refrigeration technicians, electricians and electrical engineers position us to provide a comprehensive service to our clients.
- ISO 9001:2015 – Quality Management
- ISO 14001:2015 – Environmental
- ISO 45001:2018 – Occupational Health & Safety
- NECA Contractor (National Electrical & Communications Association)
- Australian Refrigeration Council – ArcTick Refrigeration Licence : AU 37791
- Registered Electrical Contractor – Victoria : Licence No. 13361