The Complete Beginner's Guide to Humidifiers
Everything you need to know about humidifiers, from how they work to which type is best for your home. Perfect for first-time buyers.
We're a team of indoor air quality enthusiasts dedicated to helping Australians breathe easier. Our independent testing, honest reviews, and comprehensive guides help you make informed decisions for your home and family.
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In-depth resources to help you understand humidifiers and indoor air quality
Everything you need to know about humidifiers, from how they work to which type is best for your home. Perfect for first-time buyers.
Key factors to consider when choosing a humidifier
Ultrasonic: Uses vibrations to create mist. Quiet and energy-efficient.
Evaporative: Uses a fan to evaporate water. Self-regulating humidity.
Cool Mist: Ideal for warmer climates. Safe around children.
Warm Mist: Heats water to create steam. Great for cold winters.
Small rooms (up to 20m²): Bedrooms, nurseries, home offices.
Medium rooms (20-40m²): Living rooms, master bedrooms.
Large rooms (40m²+): Open-plan spaces, whole-home units.
Always check the manufacturer's coverage rating for Australian conditions.
Tank Capacity: Larger tanks mean less frequent refills.
Noise Level: Look for under 35dB for bedrooms.
Auto Shut-off: Essential safety feature when water runs out.
Humidistat: Automatically maintains desired humidity level.
Climate Zones: Northern AU may need cool mist; southern states benefit from warm mist in winter.
Water Quality: Hard water areas should use distilled water or ultrasonic models with demineralisation.
Energy Costs: Consider running costs with current electricity prices.
Optimal humidity reduces snoring and helps you breathe easier at night.
Helps soothe dry nasal passages and reduce allergy symptoms.
Indoor plants thrive with proper humidity levels.
Prevent wooden furniture and floors from cracking due to dry air.
Combat dry, itchy skin during winter months.
Proper humidity can reduce the survival of airborne viruses.
The ideal indoor humidity level is between 40-60%. In Australian summers, you may not need a humidifier, but during winter when heating systems dry out the air, maintaining 45-55% humidity is optimal for comfort and health.
Clean your humidifier at least once a week during regular use. Empty and dry the tank daily, and do a deep clean with white vinegar or manufacturer-recommended solution weekly. Replace filters as recommended, typically every 1-3 months.
While you can use tap water, distilled or demineralised water is recommended, especially for ultrasonic humidifiers. Australian tap water often contains minerals that can create white dust and reduce the lifespan of your unit. Some models include demineralisation cartridges.
Cool mist ultrasonic humidifiers are generally recommended for nurseries as they don't produce hot steam, eliminating burn risks. Look for models with quiet operation (under 30dB), auto shut-off, and easy-to-clean designs. Some models also include night lights.
Ultrasonic humidifiers typically use 20-40 watts, costing around $5-10 per month with regular use. Warm mist models use 200-400 watts due to heating elements, resulting in higher running costs. Evaporative models fall in between at 30-50 watts.
Yes! Dry air can irritate the throat and nasal passages, worsening snoring. By maintaining optimal humidity, a humidifier can help keep airways moisturised and reduce snoring. Many users report significant improvement, especially during winter months.