Hoomace Dehumidifier,2 in 1 Humidifier Dehumidifier Combo,102 OZ Water Tank Dehumidifiers for Home Bedroom,Basement Bathroom,Auto Shut Off,Sleep Mode,7 Colors LED Light

A compact 2-in-1 that makes small spaces more comfortable

Balancing humidity in a small home office is trickier than it sounds. After trying the Hoomace combo for a few weeks in a mix of spaces—bathroom, office, and a spare bedroom—I came away impressed with its convenience and quiet operation, while also clear on its limits. This is not a heavy-duty dehumidifier, and it doesn’t try to be one. It’s a gentle, semiconductor-based unit designed to nudge humidity in the right direction and keep smaller rooms comfortable, with the bonus of a built-in humidifier for dry seasons.

What it is

The Hoomace combo is a single appliance that can dehumidify or humidify and switch between those modes automatically to maintain a target humidity. It relies on semiconductor (Peltier) condensation rather than a compressor, which keeps it compact and quiet, and it pairs that with a generously sized 102 oz (roughly 3 L) water tank. There’s an auto shut-off when the tank fills, a drain hose for continuous dehumidifying, a sleep mode that keeps noise down and lights off, and a 7-color LED you can set for ambient lighting.

If you’ve ever juggled a separate humidifier in winter and a dehumidifier in summer, having both functions in one device is immediately appealing. The trade-off is extraction power: Peltier systems are best suited for smaller, enclosed areas.

Setup and design

Setup was plug-and-play. Out of the box, I filled the humidifier reservoir, attached the included drain hose for dehumidifying trials in the bathroom, and powered on. The interface is straightforward—mode selection (humidify, dehumidify, or auto), target humidity, and a sleep option. The body is plastic but tidy, the handle makes it easy to move from room to room, and the footprint is modest relative to the tank size. The gray finish blends in, and the LED light can be set to a single color or turned off.

The 102 oz tank is the standout design choice. On small Peltier units, tiny tanks are common and annoying. Here, the larger capacity means fewer trips to the sink. When the tank is full, the unit shuts itself off and signals clearly—handy if you forget it’s running.

Dehumidifying performance

In a small bathroom (door closed) after showers, the unit made a visible dent in humidity. With the drain hose connected, it ran continuously and steadily collected water. For this setting, it’s a practical, low-maintenance solution—quiet, unobtrusive, and effective enough to keep mirrors from fogging as long and to reduce that lingering dampness.

In a 10×12 home office with the door closed, it kept the room comfortable and nudged humidity into a healthy range over the course of the day. You won’t see dramatic, rapid drops like a compressor model can deliver, but day-to-day comfort improved: papers stayed crisper, and there was less of that heavy air feeling.

Where it struggles is larger, very damp rooms. In a 200–250 sq ft bedroom with elevated humidity, the unit still ran quietly but only made a modest difference over longer periods. That’s not a knock on the product as much as the category. Semiconductor dehumidifiers are about low-noise, low-power maintenance—not hard pulls in challenging conditions. If you’re fighting persistent humidity in a big room or a wet basement, you’ll want a compressor-based unit.

Humidifying performance

The humidifier side is straightforward and dependable. In dry winter air, the unit added gentle moisture to a small bedroom overnight without overdoing it or creating damp surfaces. The ability to set a target humidity and let the unit switch modes automatically is the real perk; once I dialed in a preferred range, I largely forgot about it. It’s not a high-output console humidifier, but for bedrooms and offices it’s a sensible, contained approach—with no white dust or mist puddles.

Controls, noise, and lighting

The controls are simple enough that I never cracked a manual. Auto mode is the set-and-forget option, and it behaved responsibly in my testing—no oscillating between modes every few minutes, and it didn’t overshoot the target in a noticeable way.

Noise is a strong point. In normal mode it’s a soft fan hum; in sleep mode it’s easy to ignore, even on a nightstand. The manufacturer rates sleep mode under 40 dB, and subjectively that feels right. I slept comfortably with the unit next to the bed, particularly with the LEDs disabled in sleep mode.

The LED light is purely optional, but I liked being able to lock in a single color as a night light. If you’re sensitive to lights, just leave it off or rely on sleep mode.

Tank, drainage, and maintenance

The tank removes easily for emptying, and the auto shut-off prevents spills if you forget. For bathrooms or continuously damp spaces, the included drain hose makes all the difference—set it in a sink, tub, or a floor drain and the unit can run for days without intervention. Make sure the hose has a clean downward path; any kinks or upward loops will slow drainage.

Maintenance is minimal: rinse the tank occasionally, wipe down the reservoir to prevent biofilm, and dust the air intake so airflow stays unobstructed. There’s no compressor coil to worry about, and the Peltier element doesn’t require user service.

Where it fits—and where it doesn’t

Based on my testing, here’s how I’d think about the Hoomace combo:

• Best for: small enclosed spaces—bathrooms, closets, RVs, home offices, and smaller bedrooms. It’s particularly good where you need quiet, where a drain is handy, or where you want both humidifying and dehumidifying capability in one.
• Acceptable for: moderately sized bedrooms if humidity isn’t extreme and you’re patient. It will improve comfort but not perform miracles.
• Not ideal for: large rooms with high humidity, wet basements, or spaces that routinely push above comfortable humidity levels. In those scenarios, a larger compressor-based dehumidifier is the right tool.

If you primarily need humidification and only occasional dehumidifying, the Hoomace combo’s quiet demeanor and big tank make it appealing. If dehumidifying is your main need in a challenging space, this category’s limitations will be noticeable.

Everyday use

What won me over was the overall experience. I could leave it in auto mode in my office and not think about it. In the bathroom, the drain hose setup turned it into a low-touch appliance that kept the room fresher. At night, sleep mode kept things dark and quiet. The 7-color light is a minor perk but makes it more pleasant to share space with. And the tank size reduces busywork.

There are a couple of trade-offs to note. Extraction is modest by design, so expectations should be realistic. Also, while the unit can maintain a target humidity, the control is more “practical” than “precise”—great for comfort, not lab-grade accuracy. None of this detracts from its purpose as a quiet, convenient, small-space manager.

The bottom line

I recommend the Hoomace combo for small rooms where you value quiet operation and the convenience of both humidifying and dehumidifying in one device. It’s easy to live with, the large tank and auto shut-off reduce maintenance, the drain hose makes continuous use practical in bathrooms, and sleep mode is genuinely bedroom-friendly. Just match it to the right job: maintenance-level control in compact spaces, not aggressive drying in large, damp rooms.

If that use case describes your home, this is a smart, low-fuss addition that meaningfully improves day-to-day comfort without adding much noise or hassle. If you’re battling serious humidity in a big space, skip it and get a compressor-based dehumidifier; for everyone else, this is a thoughtfully executed hybrid that does what it promises.