Levoit LV600S Smart Hybrid Ultrasonic Humidifier

The LV600S is the unit we would point most households to first. It is a hybrid ultrasonic humidifier, so it can push out either cool or warmed mist, and the 6L tank means it runs for roughly a couple of nights between refills — Levoit advertises up to around 50 hours on the lowest setting and coverage for large living rooms and bedrooms. What separates it from the Meaco below is price-to-flexibility: at an indicative £99.99 on Levoit's own UK store (checked September 2026) you get warm mist, a built-in humidity sensor with an auto mode, essential-oil aromatherapy, and VeSync app plus Alexa and Google control — features the cheaper picks lack. The trade-off versus the Meaco Deluxe 202 is that it has no HEPA air-purifier stage, so if filtering airborne particles matters as much as adding moisture, size up to the Meaco. Reviewers consistently praise its output and quiet sleep mode (Levoit rates it under 28dB), though, like all ultrasonic units, it needs regular descaling and benefits from distilled or filtered water in hard-water areas to avoid white dust.