Humidifiers are widely available across Australian retail, from budget ultrasonic units at Kmart and Target through to premium evaporative and air-washer models found mainly online. Where you buy affects price, range, and after-sales support—this guide compares the main options.

Retailer Typical Price Range Range Focus
Kmart $25-$65 Budget ultrasonic, compact and nursery models
Target $30-$80 Budget to mid-range ultrasonic, some nightlight/nursery models
Big W $25-$70 Budget ultrasonic, seasonal stock
Chemist Warehouse $40-$150 Health-focused brands, Vicks, some evaporative models
Bunnings $40-$180 Whole-room and larger-capacity units, dehumidifiers
JB Hi-Fi $60-$500 Branded electronics-integrated models, combination purifiers
Amazon Australia $25-$1,299 Widest range across all types and price points

Budget Ultrasonic: Kmart, Target, Big W

These department stores stock straightforward, compact ultrasonic humidifiers well suited to bedrooms and nurseries, typically 200-500 mL to 2-3 litre tanks. They rarely stock evaporative or air-washer models, and range depth varies seasonally—stock is often strongest heading into and through the cooler months (April-August) when demand rises. In-store availability can be inconsistent; check the retailer's website for current stock at your local store before a special trip.

Health and Pharmacy Retail: Chemist Warehouse

Chemist Warehouse carries humidifiers alongside health and wellness products, with a notable presence of Vicks-branded warm mist vaporisers designed for cold and flu symptom relief, plus a small selection of standard ultrasonic units. This is a convenient option if you are buying specifically for illness relief and want to pick up other cold and flu remedies in the same trip, though the humidifier range itself is narrower than a general retailer.

Larger Units and Whole-Room Coverage: Bunnings

Bunnings stocks humidifiers alongside its broader home climate control range (fans, heaters, dehumidifiers), with a bias toward larger-capacity units suited to living rooms and open-plan spaces rather than compact bedside models. This makes it a reasonable option if you have already used our sizing guide and know you need a larger-tank unit.

Widest Range: Amazon Australia and Online Retailers

Best for Comparison Shopping

Amazon Australia carries the widest range of humidifier types, brands, and price points, including evaporative models, air washers, and premium combination purifier-humidifier units rarely found in physical department stores. This makes it the most efficient option for comparing specifications side by side before buying, particularly for mid-range and premium models.

What to Check Before Buying, Regardless of Retailer

  • Tank capacity and coverage area matched to your actual room size (see our sizing guide)
  • Noise level in decibels, particularly important for bedroom and nursery units
  • Whether it includes a humidistat to prevent over-humidification
  • Return policy and warranty terms, which vary by retailer and are worth checking before opening the box, especially for online purchases where you cannot inspect the unit first
  • Availability of replacement parts (wick filters, demineralisation cartridges) for evaporative or ultrasonic models, since ongoing part availability affects total cost of ownership over the unit's life

Whichever retailer you choose, cross-check the specific model against our beginner's guide before purchasing to confirm the type and size genuinely fits your room and household needs.