Melbourne’s Favourite


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About Optima

Optima Heating and Air Conditioning has provided Melbourne homes and businesses with heating and cooling solutions for more than 30 years.

Our extensive industry experience and strong supplier partnerships allow us to provide affordable heating, cooling, and ventilation solutions across residential and commercial projects.  Our team of 30 plus consultants, engineers, and installers work closely with you from product selection to installation to provide a comfortable environment all year round.

Choose a Solution

We specialise in heating, cooling, and ventilation systems for commercial and residential projects. Whether you need new cooling or heating products, or both, our expert team will provide the most appropriate air conditioning solution to meet your needs. Choose your preferred solution today.


Keep your living space comfortably cool with our extensive range of air conditioning and cooling systems.

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Keep your space cozy and warm with our heating solutions. We specialise in hydronic heating, ducted, and reverse cycle heating.

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We’ve been keeping Melbourne houses cool during scorching summers and warm and cozy through freezing winters for over 30 years now.

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Our commercial heating and cooling division team has the expertise and experience to design and deliver heating and cooling solutions for projects of any size and scale.

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Our services

At Optima, our main priority is to make you feel comfortable from the beginning to the end. Take a look at what we offer to you;

Popular heating and cooling Brands

Installation for commercial and residential properties

Maintenance and Aftercare Services

Customer Success Stories

As one of the market leaders, our position has been built on delivering quality solutions and services of the highest standards. Here’s what some of our customers have to say about working with Optima.


We stock only the best and have spent years building solid relationships with world-renowned brands to provide heating and cooling solutions to meet any budget or project requirements.

Latest news

Stay up to date with the latest news from the Optima Team. You’ll also find handy tips and tricks on air conditioning performance and maintenance.

Based in Keilor, our team is Based in Keilor
Wednesday - 8 July 2021
Based in Keilor, our team is Based in Keilor
Wednesday - 8 July 2021
Based in Keilor, our team is Based in Keilor
Wednesday - 8 July 2021

Why choose Optima

When it comes to cooling and heating, Optima continues its reign as the industry leader. Our heating and cooling solutions for residential and commercial projects are backed by excellent service and the world's best brands. We have the expertise and resources to deliver the best air conditioning solutions to meet your project requirements.

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Frequently asked questions

Can I install or service my system myself?

No. Installing and servicing a climate control system is highly specialised. Installation or repairs undertaken without proper training and certification can not only be costly, but they can also be dangerous, leading to serious health and safety risks for you and your

Can I run cooling through the same ductwork as my heater?

Adequately sized or designed for add-on refrigerated cooling can be run through the same ductwork as gas or electrical heating. However, evaporative cooling needs its own ductwork due to the air humidity and the specific duct layout it requires.

How can I reduce the cost of my heater?

You can improve the efficiency of your electric and gas ducted heating by doing the following: Turning off the system when members of your household are sleeping or out of the house Installing insulation in your ceiling and walls

How much does it cost to run my heater?

Running costs will vary greatly, depending on a number of factors: The design of your house or office, including its size, celling height, window coverings and level of insulation Whether you choose a gas or electric heating system

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