Keeping you comfortable all year round

Comfort and happiness aren’t only derived from the aesthetics of a property; what’s equally important is how you feel inside the space. 

Whether it’s a stand-alone bungalow, residential complex, an industrial building, shopping centre or corporate high-rise, having the right temperature maintenance system makes all the difference.

Optima is a full-service company specialising in Heating, Ventilation, Air Conditioning (HVAC) and refrigeration systems for residential and commercial properties throughout Victoria. 

We have provided Melbourne with expert heating and air conditioning design and installation since 1985, and we’re equipped to handle HVAC projects of all sizes. 


Having the right heating system is important for any home and office. Not only do you want a system that provides comfort, but you also require something efficient that saves on overhead costs and keeps your monthly bills down.


Keep those soaring summer temperatures down with a state-of-the-art air conditioning system from Optima. Whether you’re looking to outfit your new build or existing property, we can bring you a custom system that’s quiet and efficient. We’ll also maintain it to ensure it lasts for many years to come. 

Climate Control for the Home and Business

Systems That Won’t Hurt Your Savings

Thousands of homes across Melbourne enjoy quality heating and cooling products from Optima that maximise their comfort year-round. With a commitment to installing only the most energy efficient products, home owners choose Optima for our ability to help them save over the long term.


Specialist Commercial Capabilities

With a dedicated commercial heating and cooling team and specialist engineers, we’re able to assist businesses across Melbourne in determining the best heating and cooling system for their premises. We pride ourselves on delivering efficient, cost-effective and fuss-free systems for all of our commercial customers.

Our Team

Over 20 Years of Industry Experience

Our team is based in Keilor, which is home to more than 30 of our experienced team members, including engineers and fully-qualified installers. 

We’re a highly experienced team, and have been installing residential and commercial systems of all sizes in Melbourne for more than 20 years.

With this knowledge comes strong supplier relationships and a solid understanding of the best products on the market, which allows us to provide you with reasonably-priced, long lasting systems.

View Our Recent Projects

Browse through our projects to see the systems we’ve recently designed and installed. A full-service HVAC company, we have the expertise to deliver the full range of climate control systems, including ducted heating and cooling, split system air conditioning, hydronic heating and refrigerated air conditioning. 

There are many factors to consider when choosing to install a new temperature control system in your home or business. Browse the links below to see how we can help you make an informed decision. 

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