Business Details
39 Years
experience
Emergency
services
Trusted Commercial HVAC Experts Since 1987
Founded in 1987, Air Four has established itself as Melbourne's trusted provider of commercial HVAC, air conditioning, and refrigeration solutions. Our team of fully qualified technicians brings over 35 years of combined expertise in designing, installing, and maintaining systems tailored to commercial, educational, and aged care facilities. We hold ISO 9001, 14001, and 45001 certifications, demonstrating our commitment to quality, environmental responsibility, and occupational safety. Our partnerships with industry leaders like Mitsubishi Electric and Daikin ensure access to cutting-edge technology, while our 24/7 emergency service guarantees minimal business disruption. We prioritize personalized solutions, working closely with clients to optimize energy efficiency, reduce operational costs, and extend equipment lifespan.Our long-standing relationships with suppliers and clients reflect our core values of honesty, loyalty, and accountability. With a purpose-built facility in Dandenong South and a service area covering all of Victoria, we combine local expertise with statewide capability. Our preventative maintenance programs are designed to prevent unexpected failures, ensuring consistent system performance. Recognized as Mitsubishi Electric Diamond Dealers and NECA contractors, we maintain rigorous technical standards. Whether handling new installations, system upgrades, or urgent repairs, our focus remains on delivering exceptional service that supports our clients' long-term success.
Services
HVAC Installation
Commercial Refrigeration
Service and Maintenance
24/7 Emergency Repairs
System Upgrades
Preventative Maintenance
Ducted Air Conditioning
Split System Installation
Energy Efficiency Solutions
Custom Climate Control
Details
- Year established: 1987
Highlights and features
- 35+ years of commercial HVAC expertise since 1987
- ISO-certified quality, environmental, and safety standards
- 24/7 emergency service with rapid response times
- Tailored climate control solutions for specific facility needs
- Mitsubishi Electric Diamond Dealer with award-winning service
Associations and certifications
- ISO 9001:2015 Quality Management
- ISO 14001:2015 Environmental
- ISO 45001:2018 Occupational Health & Safety
- NECA Contractor
- Australian Refrigeration Council
- ArcTick Refrigeration Licence AU 37791
- Registered Electrical Contractor Victoria Licence No. 13361
What people say
Exceptional, Fast Service
Prompt and professional
Reasonable price
Hassle free installation
Fantastic service
Services
HVAC Installation
We design and install custom commercial HVAC systems tailored to facility requirements. Our engineers work closely with clients to create energy-efficient solutions that ensure optimal temperature control while complying with Australian standards. From initial assessment to final commissioning, we guarantee seamless integration with existing infrastructure and long-term operational efficiency.
Commercial Refrigeration
Our licensed refrigeration mechanics provide complete cold storage solutions for businesses. We specialize in cool rooms, display cabinets, and industrial refrigeration systems, ensuring precise temperature control for food safety and product preservation. Regular maintenance prevents breakdowns while extending equipment lifespan through comprehensive inspections and performance optimization.
Service and Maintenance
Our scheduled maintenance programs prevent unexpected HVAC failures through quarterly inspections. Technicians clean components, check refrigerant levels, and calibrate systems to maintain peak efficiency. This proactive approach reduces energy costs by up to 30% while ensuring compliance with health and safety regulations across commercial facilities.
24/7 Emergency Repairs
We provide round-the-clock emergency HVAC repair services for critical systems. Our rapid response team arrives within 2 hours for priority issues, minimizing business disruption. With fully equipped service vehicles and real-time diagnostics, we resolve breakdowns efficiently while maintaining safety standards during urgent repairs.
System Upgrades
We upgrade outdated HVAC systems with energy-efficient technology to improve performance and reduce operating costs. Our engineers assess existing infrastructure to recommend smart thermostats, variable speed drives, and eco-friendly refrigerants that enhance system capabilities while future-proofing against regulatory changes.
Questions
Do you offer HVAC design services?
Yes, we provide custom HVAC design services tailored to commercial and industrial spaces throughout Melbourne with over 35 years of experience.
Do you service all brands of air conditioning units?
Yes, we can service most brands of air conditioning units after conducting a site inspection to ensure compatibility.
Do you charge for new HVAC system quotations?
No, we provide free quotations for new equipment installations with optional service callout fees for maintenance assessments.
What areas of Victoria do you service?
We service commercial clients across Melbourne and regional Victoria from our Dandenong South base.
How often should commercial air conditioning be serviced?
Most systems require quarterly servicing, though specialized environments may need more frequent maintenance to ensure optimal performance.
Can you recommend the best air conditioning units for my space?
Yes, our team will assess your building's size, layout, and usage requirements to recommend the most efficient cooling solutions.