AERZY JS2507 4.7-Gallon Smart Ultrasonic Humidifier

The AERZY JS2507 is a smart ultrasonic humidifier with a listed 4.7-gallon tank, app and remote controls, and a 24-hour timer. Its large stated coverage and extended low-setting runtime suit buyers who want to humidify a broad area, though those performance figures are manufacturer claims rather than independently verified measurements.

At a glance

The 4.7-gallon tank is claimed to run for up to 70 hours on the lowest setting in cool-mist mode.
App control is specified for 2.4GHz Wi-Fi. A remote is also listed, with a stated operating range of up to 20 feet.
Five mist levels, an adjustable humidity setting and a 24-hour timer offer several ways to tailor operation.
Sleep mode is described as turning off the lights and display. The listing also describes an automatically cycling seven-colour ambient light.

Price

$229.99Save 15%

Reference price: ~~$269.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Large listed tank capacity may reduce how often water needs replenishing compared with smaller-tank units.
App, remote and touch controls provide multiple control options.
Five mist levels and a humidistat setting provide adjustment rather than a single fixed output.

Cons

The listing says not to add essential oils to the tank and says this model has no oil tray.
Ultrasonic mist can leave mineral-derived white dust when tap water is used. The listing recommends filtered or distilled water and regular cleaning.

Technical specifications

12 specifications

Identity
Brand	AERZY
Model	JS2507

Capacity and operation
Water tank capacity	4.7 gallons
Operation mode	Ultrasonic
Claimed floor area	2500 square_feet
Claimed runtime	70 hours
Wattage	50 watts

Connectivity and controls
Control methods listed	App, Remote, Touch

Dimensions and installation
Dimensions listed	19D x 30W x 58H centimetres
Weight listed	3.63 kg

Appearance and power
Colour	White
Power source	Corded Electric

What to know before buying

Coverage, mist output and runtime are manufacturer claims. The 70-hour figure applies to continuous cool-mist operation at the lowest setting, not every mist level. Use a lower setting and aim the nozzle into open space if mist is wetting nearby surfaces. The stated wheels are for smooth, hard floors only, and the listing says to lift the unit over carpet or rough surfaces. It recommends weekly tank and atomizer cleaning.

What’s in the box

Included

Humidifier
User manual
Water tank

Who is it for?

A good fit for

Buyers seeking a large-tank ultrasonic humidifier with app, remote and touch controls.
People who want adjustable mist and humidity settings for a spacious room or open area, while treating the stated coverage as a claim to confirm against their needs.

Less suited to

Anyone seeking a humidifier designed for essential oils.
Buyers who need verified coverage or a guaranteed runtime across all mist settings.

AERZY JS2507 4.7-Gallon Smart Ultrasonic Humidifier · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.8 / 5 · 31 ratings

5 stars85%85%
4 stars15%15%
3 stars0%0%
2 stars0%0%
1 star0%0%

The supplied evidence contains aggregate ratings but no written customer feedback, so it does not show what buyers specifically liked or disliked. The rating distribution is broadly positive within a small sample, but it cannot establish performance or explain individual experiences. Buyers should assess the large-area coverage and long runtime as listing claims, particularly because the stated maximum runtime applies only at the lowest cool-mist setting.

Frequently asked questions

How long can it run between refills?

The listing claims up to 70 hours of continuous operation in cool-mist mode at the lowest setting. Runtime at other settings is not specified.

Can I use app control?

App control through the Tuya Smart App is listed, and the feature description says 2.4GHz Wi-Fi is required. Remote and touch controls are also listed.

Can I add essential oils?

The listing says not to add essential oils to the water tank and says the model does not include an oil tray.

What water should I use to reduce white dust?

The listing attributes white dust to minerals in tap water and recommends filtered or distilled water, a lower mist output and weekly tank and atomizer cleaning.