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Heating and cooling in FremantleOld buildings, salt air and the Doctor every afternoon.

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In Fremantle, heating and cooling jobs run into heritage first. The West End alone, a State-registered precinct, holds more than 250 buildings, and Fremantle has hundreds from the gold rush era. Add the ocean to the west and the river to the north, and the outdoor unit's position decides both what gets approved and how long it lasts.

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

What makes Fremantle different

The West End

The West End became a State Registered Place on 18 July 2017: more than 250 buildings over about 20 hectares, mostly from the late 1800s and early 1900s and two to three storeys high. It covers roughly half of the wider West End Conservation Area.

Water on two sides

Fremantle sits at the mouth of the Swan River, with the river to the north and north-west and the Indian Ocean to the west. The GAA's corrosion guide rates the first 200 m back from surf beaches C5, its harshest band.

The Doctor

The sea breeze that takes the city's name usually arrives between noon and 3 pm, and Fremantle is generally a few degrees cooler than Perth in summer. That keeps cooling loads down, but it's also the wind that carries salt onto outdoor units.

Apartments, terraces and renters

At the 2021 Census, 27.4% of homes were flats or apartments and 32.1% townhouses, terraces or semis. 41.5% were rented.

Getting an outdoor unit approved on an old building

On a heritage-listed building, or in the West End, talk to the City of Fremantle before booking an install. Units, pipe runs and roof coolers that can be seen from the street are the usual sticking point. Rear walls, courtyards and low roofs behind a parapet are where installers tend to look first, as long as the unit still gets air.

In apartments and terraces under strata, the by-laws apply too. Get the strata's written approval for anything on a balcony, roof or outside wall. Our apartments and strata page lists what to ask.

If you rent, which is common here, the owner has to agree before anything is fixed to the building.

Salt, and how to live with it

Daikin says all its outdoor coils carry its Blue Fin anti-corrosion treatment, and still calls maintenance and positioning essential. Its warranty card leaves extra corrosion protection in sea air to the owner. In practice: ask what coastal protection a model has, keep the unit out of direct spray if you can, and have it serviced every year. Our coastal homes guide and Perth servicing page go into it.

What we'd do

Our take for Fremantle

We'd sort the approval before the system: heritage first, then strata. A reverse cycle split or multi-head system with the outdoor unit on a rear wall is usually the least intrusive fit for an old building, and it heats in winter too. We'd ask for coastal protection on the coil and use an installer who's worked on Fremantle's older buildings before.

What this work looks like

Photos from real jobs in Melbourne, to show what the work looks like. They aren't from an installer near you.

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. A job in Melbourne.
A slimline ducted outdoor unit in a side passage
A slimline ducted outdoor unit in a side passage. Jul 2023. A job in Melbourne.
Underfloor heating pipe laid on insulation panels
Underfloor heating pipe laid on insulation panels. A job in Melbourne.

More job photos

Questions people ask

Can I put air conditioning in a heritage building in Fremantle?
Usually, but where the outdoor unit and pipes go matters. Ask the City of Fremantle about your property before work starts. An installer with heritage experience will know what tends to be accepted.
Do I need much cooling in Fremantle?
Less than inland Perth, because the Doctor usually arrives between noon and 3 pm and Fremantle runs a few degrees cooler in summer. A reverse cycle split for the hottest room, which also heats in winter, covers a lot of homes.
How long will an outdoor unit last near the beach?
We won't give a figure, because none of our sources do. Corrosion depends on how close you are, the wind and the upkeep. Coastal coil protection, a sheltered spot and yearly servicing all help.

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

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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