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In-depth review

Dreo HM713S Review (2027)

The Dreo HM713S delivers warm mist in about 5 minutes with app humidity trends for rooms up to 550 sq ft. Our research-based verdict.

TGBy TrueGear Research TeamIndependent editorial teamLast updated How we researchResearch-based assessment · Humidifiers
Specs verified against manufacturer docs
No paid placements
Independently funded by readers
Updated 2026-11-01
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Dreo HM713S Smart Warm and Cool Mist Humidifier

Dreo HM713S Smart Warm and Cool Mist Humidifier

Dreo's smart flagship: fast warm mist, a tall mist column and an app that tracks humidity trends.

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Our verdict

The HM713S is Dreo's answer to the winter bedroom: warm mist fast, a tall mist column, and an app that shows whether your humidity routine is actually working. Its narrow tower looks better than most humidifiers and its 500 ml/h output covers a large bedroom properly. Buyers who want a simple dial machine should look elsewhere, but buyers who want smart warm mist will find this is the most polished version of it here.

What we like

  • Warm mist arrives in about 5 minutes, so a cold bedroom does not wait half an hour for comfort
  • 500 ml/h output with a tall mist column spreads humidity across a 550 sq ft room evenly
  • Dreo app tracks 30-day humidity trends and cleaning reminders, which helps with maintenance timing
  • Optional demineralization cartridge softens hard water mist for sensitive noses and nearby furniture

What to watch out for

  • The narrow tower shape is easy to knock on a crowded nightstand
  • Smart features assume a phone nearby; the machine is less satisfying used as a dumb appliance
  • Cartridge and aroma pad extras add ongoing costs beyond the machine itself

What owners report: Dreo HM713S Smart Warm and Cool Mist Humidifier

Synthesized from recurring themes in long-term owner feedback.

Most praised

  • The warm mist speed is the first thing guests notice, since the room feels different within minutes
  • The tall mist column keeps bedding near the machine from getting damp while the far side still benefits
  • Cleaning reminders in the app stop the machine from quietly sliding into a neglected, musty state

Common complaints

  • The slim tower wobbles when bumped, and owners move it away from walkways for that reason
  • The ambient light is hard to fully tame for sleepers who want total darkness
  • Some buyers never use the trend charts and wish the same machine came in a simpler version

Who it is for

Smart-home buyers who want fast warm mist, humidity trends and a design-led machine for a large bedroom.

Warm mist speed is the headline, and it matters

Most warm mist machines take their time reaching temperature. The HM713S claim of warm mist in about 5 minutes means a cold bedroom feels different soon after switching on, not after a long warm-up. For buyers who switch the machine on at bedtime rather than running it all day, that speed is the difference between comfort and a cold first hour.

The app earns its place with trends, not just buttons

Remote control alone rarely justifies a smart humidifier. Thirty-day humidity trends and cleaning reminders do, because they turn humidity from a guess into a record and maintenance from a forgotten chore into a prompt. Buyers who check trends will humidify more consistently. Buyers who never open an app should buy the HM524 instead and save the complexity.

The tower shape is beautiful and bumpable

A narrow tower looks striking on a dresser and fits tight spaces, but it is easier to knock than a squat machine. Place it where foot traffic does not pass, keep the base clear, and treat the design as a reason to give it a proper spot rather than a crowded corner. The ambient light, too, needs taming for total-darkness sleepers.

Key specifications

Mist type
Ultrasonic warm and cool mist
Tank
6 L
Max output
500 ml/h (maker rating)
Max runtime
Up to 60 hours
Coverage
Up to 550 sq ft
Smart control
Dreo app, Alexa and Google Assistant

Also consider

Research-based assessment. TrueGear has not hands-on tested this product; this evaluation synthesizes manufacturer specifications, retailer documentation, and published expert reviews.

Questions, answered

HM713S or HM524?

Choose the HM713S for warm mist and app trends. Choose the HM524 for cool mist simplicity at a lower price with the same 6 liter tank size. The mist column and coverage are comparable; the control philosophy is not.

Does warm mist really arrive in 5 minutes?

That is the maker claim for warm mist readiness, and it reflects a fast-heating design rather than instant steam at full output. Expect comforting warmth quickly, with full output building over the following minutes.

Do I need the demineralization cartridge?

Not required, but useful on hard water. It softens the mist and reduces white dust and scale, at the cost of an extra consumable. On soft or filtered water, most buyers skip it.

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