Most Australian grooming salons are breaking a workplace safety rule they have never heard of, and the equipment doing it is the single most useful thing on the bench.
We are going to give you the numbers first, because they are the whole argument.
The measurement
In 2012, a team led by Scheifele published a study in the journal Noise and Health measuring four commonly used forced-air grooming dryers. At one metre, which is roughly where you stand relative to the dryer and the dog, they recorded between 94.8 and 108.0 dBA.
Now put the Australian standard next to it. Safe Work Australia sets the exposure standard for noise at an eight-hour average of 85 dB(A).
Decibels are logarithmic, which is why this lands harder than it looks. Every three decibels doubles the sound energy, so permissible exposure halves. At 94.8 dBA, the quietest dryer in that study, you have used your entire eight-hour allowance in under an hour.
Nobody in a working salon runs a dryer for under an hour a day.
What that means if you employ someone
If you are a sole operator, this is a health question and it is yours to weigh.
The moment you have an employee, it is a legal duty. As the person conducting a business, you must reduce noise exposure so far as is reasonably practicable, and you must not let it exceed the standard.
And since 29 July 2025 there is a second obligation that has had almost no attention in this industry. If you require a worker to use hearing protection because noise exceeds the exposure standard, you must also arrange audiometric testing for them. That is a hearing test, arranged and paid for by the business.
We have not met an Australian grooming salon that is doing this. We have met plenty that would, if anyone had told them.
Noise cancelling is not hearing protection
This is the mistake almost everyone makes, and the groomers who have been doing it longest are the ones who catch it.
Active noise cancellation works by generating an opposing waveform. It is very good at steady low-frequency drone, which is why it is wonderful on a plane. A grooming dryer is a broadband blast with a lot of high-frequency content, and that is precisely what ANC handles worst.
More importantly, a consumer headphone carries no attenuation rating at all. Hearing protection sold in Australia is rated under AS/NZS 1270. If the product does not carry that rating, you do not know what it is doing, and neither does anyone else.
You can love your Sony or Bose headphones and still need real protection over the top. Plenty of groomers do exactly that.
What actually works, in the order people land on it
Passive earmuffs with a rating. The dull answer and the correct one. A pair of proper industrial earmuffs from a hardware store, chosen on their rated attenuation. Cheap, effective, and unglamorous.
Bluetooth earmuffs. The 3M WorkTunes range is genuinely popular with groomers because it is real earmuffs first and audio second. The common complaints are that they run warm over a long shift and that new ones clamp hard. The fix people pass around is to stretch a new pair over a basketball overnight, which sounds like nonsense and works.
Reusable filtered plugs. Loop is the brand that keeps coming up, particularly the Quiet and the Switch, which lets you flick between a muffled setting and one you can hold a conversation in. Groomers who wear glasses tend to end up here, because earmuffs and spectacle arms are a miserable combination over eight hours.
Plugs plus earbuds, or plugs under muffs. Very common in practice. One plug in, one earbud for music, muffs on when the dryer runs.
Custom-moulded plugs. An audiologist will cast them to your ear canal at whatever attenuation you want. Expensive once, comfortable forever, and the people who have them do not go back.
Now the dryer itself
Having said all that, buy a good one. A weak dryer means longer drying, which means more exposure, not less.
In Australia the volume brands are Shernbao and Aeolus, both stocked by the main trade suppliers. What you are paying for as you go up the range is airflow, a variable speed control that is genuinely useful rather than just on and off, a longer and more flexible hose, and a motor that does not scream at the top end.
Two things to check before you buy. Where does it draw air from, because a floor-level intake in a grooming room will inhale hair and clog. And can you buy a replacement hose and filter locally, because those are the parts that fail.
That second one is not theoretical either. The live complaint in the Australian groups at the moment is neck dryers: a mount or joint breaking under light use, the motor still perfect, and the replacement part quoted at a meaningful fraction of a new unit and then out of stock. Jirpet is the brand people are moving to as a result, and their larger twin-motor units are the ones being asked about for desheds and big dogs.
A dryer is a motor, a housing and a hose. The motor rarely fails. Buy on whether you can replace the parts that do.
The layout change that costs nothing
Before you spend anything: move the dryer.
Noise falls off with distance, and a lot of salons run the dryer sitting right next to the operator's head because that is where the bench is. Getting the unit further away and pointing the exhaust away from where people stand is free, and it works.
Drying in a separate room, if you have one, is the single biggest change available. Everyone in the building benefits, not just the person holding the nozzle.
What we would not do
We would not put a cage dryer on an unattended dog and walk away. That is a different safety conversation and it has killed dogs.
We would not buy hearing protection without a rating printed on it.
And we would not treat this as a nice-to-have. Hearing damage is cumulative, painless while it happens, and permanent. Groomers with fifteen years in talk about tinnitus the way other trades talk about a bad back, as though it were the cost of doing the job. It is not. It is preventable, and the equipment to prevent it costs less than one blade set.
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Sources. Scheifele et al., "Noise impacts from professional dog grooming forced-air dryers", Noise and Health 14(60):224-226, 2012. Safe Work Australia, exposure standard for noise and the Code of Practice on managing noise and preventing hearing loss at work. Check your own state regulator for the workplace surveillance and audiometric testing detail that applies to you.