DREO 4L Smart Humidifier — 28 dB Quiet, 4 Litres Lasts All Night! $62.99 CAD (21% Off)

Amazon.ca has the DREO 4L top-fill smart humidifier for $62.99 CAD (list price $79.99, 21% off). Free shipping for Prime members; orders over $35 ship free otherwise.

A 4-litre tank rated for 36 hours — in practice it runs a full night on medium without a refill. The noise figure is 28 dB, which is the kind of quiet where you stop noticing it after lights out. That's the main selling point, and with 32,700+ reviews at 4.4 stars it's about as well-established as this category gets.

The dual-intake design gives a wider mist outlet than most, and the 5 μm particles spread evenly instead of leaving droplets on desks and floors. Top-fill means no flipping the tank, and the modular parts come apart for cleaning. In the app you get mist level, timer and ambient light, plus Alexa and Google; auto mode decides for itself whether to keep humidifying.

It's ranked #2 in Single Room Humidifiers and #34 in Home overall. The scenario that comes up most in reviews is a Toronto winter with the heat on — put one in the bedroom and you stop waking up with a dry throat or a nosebleed.

Factor in the running costs: Canadian tap water is hard, so without a demineralization cartridge you'll get white dust, and the cartridge is sold separately. Rinse the tank and base weekly or it starts to smell, and if your room is much over 300 sq ft this unit will be working hard.

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