This page uses affiliate programs, including the Amazon Associates Program, to introduce products. As an Amazon Associate, CHOTTO NOTE earns from qualifying purchases.

About the scoresThe scores are calculated mechanically by applying the criteria table at the end of the page to figures published on the manufacturers' official pages and manuals (and on retail or comparison pages where an official figure was not available). We call it the "Spec Score".
Sharp HV-T55-W
Image: Amazon product photo
Spec Score #1Hybrid (heated evaporation)

Best for humidifying a larger room, with an air-purifying mode as a bonus

4.85★★★★★Spec Score (out of 5)
See on Amazon¥19,800See on Rakuten¥18,800Price as of 2026-09-09 · affiliate link · Opens the shop's site

Score Breakdown

Humidifying power5 / 5
Care5 / 5
Quietness4 / 5
Energy use5 / 5
Extra features5 / 5

Specs

MethodHybrid (heated evaporation)
Room coverageWood-frame 9 tatami mats / Prefab 15 tatami mats
Max output550 mL/h
Tank capacityabout 4 L
Continuous run timeHigh about 7.2 h / Quiet about 19 h
Operating noiseQuiet mode 23 dB (High: 37 dB)
Power consumptionQuiet 12 W, Eco 24 W, High 190 W
RefillingTop opening, or remove the tray
CareFilter and tray every 2 weeks / Humidifying filter about 48 months (8 seasons), Ag+ cartridge about once a year
Extra featuresPlasmacluster air-purifying mode, auto mode, off-timer, child lock, filter drying
Size / weightW272 × D220 × H455 mm, about 5.2 kg

🙂 Good points

  • The highest max output of the four (550 mL/h on High)
  • Fill from the top opening, or pull out the tray
  • Quiet mode draws only 12 W

🙁 Things to note

  • High mode is 37 dB and 190 W, a big gap from Quiet mode
  • Several replacement parts, so budget for running costs

Sources

Product page / Spec page / Manual (PDF)
Scores are calculated only from specs published on official and retail pages.

‹ Back to the Spec Score ranking