3 picksAmazon AU links

Compare the top 3 bathroom exhaust fans in Australia 2026

3 bathroom exhaust fan picks for Australian buyers, compared side by side: Randaco 100 mm Humidity Sensor (Value pick); HPM 34W Square Ducted Ceiling (Our pick); FanGoFast 100 mm Humidity Sensor (Also great).

Read the full editorial guide
Our pick
HPM 34W Square Ducted Ceiling Exhaust Fan
HPM 34W Square Ducted Ceiling Exhaust Fan
Best overall: Australian made ducted ceiling fan on the Australian electrical register
$135.00★ 5 (6)
  • 34W ducted ceiling exhaust fan, 290 mm x 290 mm
  • Supplied with 3 m of ducting, a grille, lead and plug
  • Registered on the Australian electrical register (E2023121787)
Why we picked this
Our best overall pick: an Australian made ducted ceiling fan for low roof spaces, supplied with 3 m of ducting, a grille, lead and plug. It was registered on the Australian electrical register (E2023121787). Sold an…
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Also great
FanGoFast 100 mm Humidity Sensor Bathroom Fan
FanGoFast 100 mm Humidity Sensor Bathroom Fan
Quiet auto-start extractor for a standard 100 mm bathroom
$80.58★ 4.2 (757)
Noise level30 dB
Humidity auto-start50-90% RH
Power draw30 W
Duct size100 mm
Humidity sensorRun-on timer30 dB quiet100 mm duct
  • Built-in humidity sensor auto-starts the fan between 50 and 90 percent relative humidity
  • Adjustable run-on timer keeps clearing air for 1 to 30 minutes after you leave
  • Quiet 30 dB operation on a two-speed 30 W motor
Why we picked this
A 100 mm fan with automatic humidity control, a 1 to 30 minute timer and a listed 30 dB noise level, the lowest stated figure among the fans with a published figure here. We could not find a current Australian elect…
Buy on Amazon AU
VALUE PICK
Randaco 100 mm Humidity Sensor Bathroom Fan
Randaco 100 mm Humidity Sensor Bathroom Fan
The same set-and-forget automation for a few dollars less
$75.00★ 4.2 (458)
Noise level35 dB
Humidity auto-start60-90% RH
Run-on timer0.5-30 min
Duct size100 mm
Auto humidity0.5-30 min timerIPX4 splash-proofBackflow flap
  • Humidity sensor plus adjustable 0.5 to 30 minute run-on timer
  • IPX4 splash resistance for wet bathroom use
  • Backflow flap blocks cold draughts and insects when off
Why we picked this
A 100 mm wall fan with automatic humidity control, a timer adjustable from 30 seconds to 30 minutes and a backflow flap. We could not find a current Australian electrical registration for this model. At the 3 Octobe…
Buy on Amazon AU

Which one should you buy?

HPM 34W Square Ducted Ceiling Exhaust Fan is our best overall choice: an Australian made ducted ceiling fan, registered on the Australian electrical register and sold by Amazon AU. Want automatic humidity control? The FanGoFast 100 mm Humidity Sensor Fan, with a sensor threshold of 50 to 90 percent relative humidity and a listed 30 dB noise level, or the Randaco for less. Lowest price at the 3 October 2026 check? The CubeTECH.

For full context on why we ranked these the way we did, what alternatives we considered (and rejected), and the broader buying-guide framework, read the full Best Bathroom Exhaust Fans in Australia for 2026: Airflow, Noise and Fit.

Open data

NestPath also publishes an open appliance dataset, the AU Verified Amazon Appliance Dataset, licensed under CC BY 4.0. It includes records from our buying guides, with fields for brand, price, availability, rating, review count, editorial role, verification date and Amazon AU product links. Download it free as CSV or JSON.

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Free tools and guides for Australian first home buyers

FHB Eligibility CheckerWhich schemes do you actually qualify for?Borrowing Power CalculatorHow much can you actually borrow?Mortgage Repayment CalculatorWeekly, fortnightly & monthly repaymentsStamp Duty CalculatorKnow your full upfront costs by stateMove-In Cost CalculatorThe full first-30-days figure, not just stamp dutyOpen Amazon AU DatasetFree CSV and JSON of our Amazon AU picks, CC BY 4.0.