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: CubeTECH CTEF100t 100 mm for the budget buy; Randaco 100 mm Humidity Sensor for the best-value most-households pick; FanGoFast 100 mm Humidity Sensor for the segment ceiling.

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PREMIUM PICK
FanGoFast 100 mm Humidity Sensor Bathroom Fan
FanGoFast 100 mm Humidity Sensor Bathroom Fan
Quiet auto-start extractor for a standard 100 mm bathroom
$78.52★ 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
The quietest on paper at 30 dB of the fans here with a published noise figure. Its humidity sensor turns the fan on by itself when the room steams up, so moisture clears without anyone remembering to flick a switch,…
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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
$75.96★ 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
The same set-and-forget humidity automation as our top pick for a few dollars less. IPX4-rated with a backflow flap and the most ratings of any fan here, it is the value way to get an auto-starting bathroom fan.
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BUDGET PICK
CubeTECH CTEF100t 100 mm Bathroom Fan
CubeTECH CTEF100t 100 mm Bathroom Fan
The cheapest pick here, with strong 98 m3/h airflow
$50.50★ 4.2 (147)
Airflow98 m3/h
Noise level33 dB
Power draw9.5 W
Run-on timerAdjustable
98 m3/h airflow9.5 WBlack or whiteTimer model
  • Strong 98 m3/h airflow from a slimline 100 mm fan
  • Low 9.5 W draw and quiet 33 dB running
  • Adjustable run-on timer built in
Why we picked this
The cheapest fan here and one of the strongest on airflow at 98 m3/h, yet it draws just 9.5 W and stays quiet at 33 dB. A built-in run-on timer and a black-or-white finish make it a standout budget buy for a rental …
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Which one should you buy?

FanGoFast 100 mm Humidity Sensor Fan is our best overall choice for automatic humidity control, with a sensor threshold of 50 to 90 percent relative humidity and a listed 30 dB noise level. Want the same automation for less? The Randaco. 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

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