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Melbourne suburbs

Heating and cooling in TullamarineThe Bureau's station is over the back fence.

An installer for Tullamarine

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

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Tullamarine's western boundary is Melbourne Airport, the site of the Bureau of Meteorology's Melbourne Airport station. Its averages are about as local as figures get: July nights average 5.8 degrees and the coldest July night 0.9, so heating comes first. Summer swings the other way, with the hottest January day averaging 40.4 degrees.

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

What's particular about Tullamarine

Weather, measured next door

At the Melbourne Airport station (1991 to 2020), January days average 27.0 degrees and July nights 5.8. January afternoons average 44% humidity, so summer heat here is mostly dry.

A 24-hour neighbour

Melbourne Airport opened in 1970 in Tullamarine. It's curfew-free and operates 24 hours a day.

Townhouse country

Of 2,819 occupied homes in 2021, 59.2% were separate houses and 39.6% semi-detached, terrace or townhouses. The suburb became a residential township in the mid-1950s and now mixes recent housing estates with light industry.

A third rented

34.1% of homes were rented at the 2021 Census, 31.6% owned outright and 30.5% owned with a mortgage.

Why the windows matter

Seeley says reverse cycle systems are made for a closed house, while evaporative cooling needs windows and doors open so the air can escape. If you'd rather keep the windows shut on summer nights, a reverse cycle split or ducted system suits better than evaporative, and it does the winter heating as well.

Evaporative still works on dry days. It's a sound choice if open windows don't bother you and the house already has good heating. See evaporative cooling in Melbourne.

Choosing a split for a Tullamarine townhouse

  • Size it on the heating load for cold July nights, rather than on summer cooling alone.
  • Compare the outdoor sound power figures on the label: Mitsubishi Electric says lower numbers mean quieter running.
  • Pick an outdoor spot with fresh air and service access, not an enclosed courtyard.
  • Keep it clear of the bedroom next door. Victoria's EPA rules stop cooling being heard in a neighbour's habitable room after 11pm, and heating after 10pm.
  • Ask for the plumbing compliance certificate and the Certificate of Electrical Safety at handover.

What we'd do

What we'd do in Tullamarine

In a townhouse, we'd put one efficient reverse cycle split in the living area and a smaller one in the main bedroom, sized for winter and chosen for a quiet outdoor unit. In a bigger house with working gas heating, we'd keep it serviced and look at add-on cooling or reverse cycle for summer.

Let us know the job and your 3043 postcode. Licence-checked local installers who do that work see it, and only the installer who takes it gets your number. If no installer near Tullamarine takes it within 48 hours, others elsewhere in Victoria may see it.

From installers we pass jobs to

Recent jobs in Melbourne

An evaporative cooler on a tiled roof, with its conduit run down the roof
An evaporative cooler on a tiled roof, with its conduit run down the roof. Jul 2023. By a Melbourne installer we pass jobs to.
Lifting a new split system indoor unit into place
Lifting a new split system indoor unit into place. By a Melbourne installer we pass jobs to.
A slot diffuser above a home study, one zone of a ducted system
A slot diffuser above a home study, one zone of a ducted system. Oct 2023. By a Melbourne installer we pass jobs to.

More job photos

Questions people ask

Is Tullamarine colder than the city in winter?
At night, yes. The Melbourne Airport station averages 5.8 degrees on July nights, against 7.3 at Olympic Park in the city.
My rental townhouse has no cooling. Does it need some?
From 1 March 2027, new rental agreements and month-to-month conversions need fixed energy efficient cooling in the main living area. From 1 July 2030, every rental does.
Why does my split stop blowing warm air on cold mornings?
It's probably defrosting. Mitsubishi Electric says frost forms on the outdoor unit when it's cold and humid, and the unit pauses for up to 10 minutes to clear it.

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

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.

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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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