Comprehensive Commercial HVACand Mechanical Services
We offer a full range of commercial air conditioning, and HVAC services throughout Melbourne.
With over 35 years of experience, Air Four provides tailored, cost-effective heating, cooling and refrigeration solutions for commercial and industrial clients.
Our HVAC Services Include
We offer a comprehensive range of HVAC, air conditioning and refrigeration services in Melbourne, from new installations and system upgrades to ongoing service and maintenance plans.
Service andMaintenance
Ensure your HVAC and air conditioning systems run at peak efficiency with our service and maintenance plans. We focus on enhancing performance and extending equipment lifespan, giving you reliable comfort year-round.
HVACInstallation
We design commercial air conditioning and HVAC solutions tailored to your facility’s needs. We work closely with you to create systems that support comfort, safety, and long-term value.
CommercialRefrigeration
Our team of fully qualified refrigeration mechanics understands the intricacies involved in commercial refrigeration systems. We start by carefully assessing every aspect of your system to ensure efficient, safe, and long-lasting performance.
Industries we work in
We specialise in comprehensive HVAC, air conditioning and refrigeration solutions for aged care facilities, schools, and commercial spaces. Our team handles every aspect, from new installations and system upgrades to ongoing service and maintenance.

Partnering With The Best - We Are Proud Mitsubishi Electric Dealers
Mitsubishi Dealer Award Winners2023 Metro

Why Choose Us
We've been Keeping Melbourne Cool For Over 35 Years
Trusted HVAC Experts
over 35 years experience providing expert air conditioning, refrigeration, and HVAC services in Melbourne.
Built On Relationships
We believe that the key to our success is building strong, lasting relationships with both our clients and our suppliers
Tailored Solutions
Customised HVAC installation and management services in Melbourne designed for your building or facility.
24/7 Emergency Service
Our air conditioning and refrigeration tech's provide 24/7 reliable service and repair when you need it most.

Why Choose Us
We've been Keeping Melbourne Cool For Over 35 Years
Trusted HVAC Experts
over 35 years experience providing expert air conditioning, refrigeration, and HVAC services in Melbourne.
Built On Relationships
We believe that the key to our success is building strong, lasting relationships with both our clients and our suppliers
Tailored Cooling Solutions
Customised HVAC installation and management services in Melbourne designed for your building or facility.
24/7 Emergency Service
Our air conditioning and refrigeration tech's provide 24/7 reliable service and repair when you need it most.

Feedback From Our Clients
"Exceptional, Fast Service by the team at AirFour" Having a reliable cooling system is crucial, and so is having a service company you can trust. At Air Four, we pride ourselves on our ability to maintain and repair your air conditioning and refrigeration units effectively.Bob Davidson
“I called Air Four to service the office air conditioning and find them very prompt and professional. The service tech was very helpful and polite and fixed the problem that no other company could fix at a very reasonable price. I would highly recommend this company to friends and family”Damian Harris
“We engaged Air Four to install new Air Con for the office. The installation was hassle free and the service was fantastic”Nathan. M
Frequently Asked Questions
Need more information? Feel feel to contact the team today.
We proudly provide HVAC and Mechanical Services services to commercial and industrial clients across Melbourne. Our projects team also works with clients across Victoria.
If you’re unsure whether we service your area, feel free to contact us for more information. We’re always happy to discuss how we can support your business.
Yes, we provide custom HVAC design services tailored to commercial and industrial spaces throughout Melbourne.
Our in-house team designs efficient, cost-effective heating and cooling systems to meet the specific needs of your building.
With over 35 years of experience, we ensure optimal performance, energy efficiency, and compliance with regulations.
Yes we can service most types of air conditioning units and systems. Out team will come and do a site inspection to ensure we are able to repair your system and have all the information we need. If you are unsure if we can help with your unit please contact our team to discuss your needs.
No, we do not charge for quotations on new equipment installations. For service maintenance quotes, a standard service callout may fee apply, as we may need to visit your site and inspect the equipment to identify the problem.
FAQ's.
We proudly provide HVAC and Mechanical Services services to commercial and industrial clients across Melbourne. Our projects team also works with clients across Victoria.
If you’re unsure whether we service your area, feel free to contact us for more information. We’re always happy to discuss how we can support your business.
No, we do not charge for quotations on new equipment installations. For service maintenance quotes, a standard service callout may fee apply, as we may need to visit your site and inspect the equipment to identify the problem.
Please contact our team to discuss your quote today.
Yes, we provide professional HVAC design services tailored to commercial and industrial spaces throughout Melbourne. Our in-house team designs efficient, cost-effective heating and cooling systems to meet the specific needs of your building.
With over 35 years of experience, we ensure optimal performance, energy efficiency, and compliance with regulations.
Yes, we can service most brands of air conditioning unit. If you are unsure please contact our team to check if we can help.
Yes. Our team will work with you to determine the best type and size of air conditioning and cooling system for the size and layout of your building.
Our offices and warehouse are based in Dandenong South and we service clients in the local area as well as all of metro Melbourne.
We are only able to install air conditioning or refrigeration units that we supply for insurance and warranty compliance.
Every facility or building has a different environment and this must be taken into account when creating a service and maintenance plan. Generally most units should have filters cleaned at least every three months but this may be more frequent in specialised environments. It is vital to have a customised maintenance schedule for your HVAC systems. contact our team today to discuss how we can help.
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