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Melbourne suburbs

Heating and cooling in DoreenA young suburb on Melbourne's northern edge, still being built.

An installer for Doreen

Licence-checked installers in Doreen who specialise in your kind of job see it, and the one who takes it calls you to quote.

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Doreen had 3451 people in 2006 and 27,122 at the 2021 Census, most of them in houses built since the Laurimar subdivision began in 1999. Systems here are young, so the questions are about warranties, adding cooling, and what to put in a new build now that new homes go all electric from 2027.

Updated 29 October 2026 · Written by the Find My Aircon team · How we check our facts

Doreen in a few facts

Built almost from scratch

Doreen wasn't even on the State electricity grid until 1959. In 1999 investors created the 2500 lot Laurimar subdivision west of Yan Yean Road, and land south of Bridge Inn Road has since been subdivided too.

Two councils, two landscapes

The western side, in the City of Whittlesea, is suburban housing. The eastern side, in Nillumbik Shire, stays rural and sits in Melbourne's green wedge.

Young households

At the 2021 Census, 94.6% of occupied homes were separate houses and 58.3% were owned with a mortgage. 21.3% were rented.

Getting hotter

The City of Whittlesea says climate change means Whittlesea is becoming hotter and drier, with prolonged periods of above average temperatures.

Grassfire edge

Whittlesea also says people on the urban fringe, especially in newer developments, may be near grasslands, parks or paddocks, which makes them more vulnerable to grassfires.

The jobs that come up in Doreen

Servicing a young system. Many Doreen systems are still inside their warranty. Some brands make servicing a condition: ActronAir's warranty sets residential maintenance at once every 12 months. Read your warranty card before you skip a year, and see our warranties guide.

Adding cooling. A house that came with gas ducted heating can take a split in the hottest room, add-on cooling if the heater is compatible, or ducted reverse cycle. On the northern fringe, the hot rooms are the first to ask about.

New builds and knock-downs. From 1 January 2027 every new Victorian home is built all electric, and connecting gas to a new building is banned. In a new Doreen house, ducted reverse cycle or a multi-split is likely to do the heating as well as the cooling.

Licence-checked installers around Doreen who do this kind of work see your job, and only the one who takes it gets your details. After 48 hours with nobody near Doreen taking it, installers elsewhere in Victoria may see it too.

What we'd do

If we were building in Doreen

For a 2027 build, we'd plan the heating and cooling with the builder before the frame goes up, so ducts, outdoor unit spots and circuits are designed in. In an existing house, we'd keep the system serviced to its warranty terms and add cooling to the rooms that cook first. Keep the outdoor unit clear of dry grass in summer.

From installers we pass jobs to

Recent jobs in Melbourne

Two heat pumps for hydronic heating down the side of a house
Two heat pumps for hydronic heating down the side of a house. By a Melbourne installer we pass jobs to.
A new walkway built through a roof space before the ducts go in
A new walkway built through a roof space before the ducts go in. Sep 2022. By a Melbourne installer we pass jobs to.
Fixing the wall plate for a split system, with the pipe hole below
Fixing the wall plate for a split system, with the pipe hole below. By a Melbourne installer we pass jobs to.

More job photos

Questions people ask

We're building in Doreen in 2027. Can we have gas heating?
No. From 1 January 2027 new homes in Victoria are built all electric, and connecting reticulated gas to a building under construction is prohibited. Plan on electric heating, such as reverse cycle.
Our system is only a few years old. Does it really need a service?
Check your warranty. ActronAir's terms set residential maintenance at once every 12 months, and Mitsubishi Electric recommends a professional service once a year. Skipping it can affect a claim.
Is our Doreen house in a growth area for all-electric rules?
The all-electric rule is about new homes, not where you are. An existing Doreen house already on gas can keep its gas heater.

Ready for the right installer to take a look in Doreen?

Your postcode and three quick questions. Licence-checked local installers who specialise in your kind of job see it, and the one who takes it gets in touch to quote.

Free for you. Installers pay us for each job we pass on.

Where this information comes from

We don't publish prices. Every home is different, so an installer's written quote is the only real number. How we write and check these pages.

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