HoMedics
HoMedics TotalComfort Deluxe Warm & Cool
Two 3.8-litre tanks rather than one big one, which makes the refill a pair of manageable trips and means you can run it on a single tank overnight. Warm and cool mist, demineralisation cartridges, a humidistat and an eighty-five-hour low-setting claim - the longest number in this catalog, and the one that best illustrates why the number is nearly meaningless. Eighty-five hours from 1.38 gallons is 0.39 gallons a day, roughly a tenth of what the 521 sq ft printed alongside it would require.
The room-size claim, reconciled
96 sq ft supported · box says 521 sq ft
The box says 521 sq ft. By the winter load calculation this output supports about 96 sq ft — the claim is 5.4× the room the machine can hold.
Holding 521 sq ft takes about 2.11 gal/day, which drains this 1.38-gallon tank in roughly 16 hr — against the 85 hours HoMedics advertises, which is measured at the lowest setting.
What a year costs
demineralisation cartridges at roughly $15 a pair, changed every month or two in season. Electricity assumes the rated 260 W for 12 hours a day across a 150-day heating season at 16¢ per kilowatt-hour.
Specifications
A claim the maker makes
HoMedics says the tanks use an antimicrobial treatment to inhibit growth on tank surfaces. We quote it rather than repeat it: this site has not tested it and neither has anyone independent.
Maintenance profile
- Top fill
- Yes
- Replaceable media
- Demineralisation cartridge
Facts, not a score. Which of these matter depends entirely on whether the unit ends up somewhere you will actually clean it.
Features
- Two 3.8L tanks
- Warm and cool mist
- Demineralisation cartridges included
- Digital humidistat with auto mode
- Programmable timer
- Aroma pads and a colour nightlight
Pros
- Two tanks split the refill and let you run overnight on half the water
- Warm mist, demineralisation and a humidistat together at $100
- Programmable timer is unusual at this price
- The humidistat and timer together will hold a set humidity through a night without attention
Cons
- The 85-hour runtime and the 521 sq ft coverage differ by roughly a factor of ten in the output they imply - the widest gap in this catalog
- 260W on the warm side, which is nearly the whole of its running cost; the cool tank is pennies
- Two tanks means two sets of seams to keep clean
- Cartridge replacement every month or two
The pros and cons above are drawn from the maker’s documentation and published specifications. There is not yet a body of owner reports for this model that we have read.
What owners say
No owner discussion collected for the HoMedics TotalComfort Deluxe Warm & Cool yet. The pros and cons above come from the maker's documentation and published reviews, and this section will fill in when there is enough first-hand material to summarise honestly. We would rather leave it empty than invent it — how we compare explains why.
HoMedics TotalComfort Deluxe Warm & Cool, head to head
Looked at alongside it
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HoMedics
HoMedics TotalComfort Deluxe
A tower with a 1.47-gallon tank, a demineralisation cartridge in the box, and a 426 sq ft claim - an oddly specific number that at least suggests somebody calculated rather than rounded up to 500. Seventy hours on the lowest setting is among the longest here, which as usual means the lowest setting moves very little water: about half a gallon a day. Where it earns its place is the combination of a demineralisation cartridge and a real humidistat at $80, which is not on offer from most rivals at this price.
123 sq ft supported · box says 426 sq ft
Levoit
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Adding a heater to an ultrasonic buys two things: mist that does not feel cold on the skin, and a water path that runs hot enough to discourage what grows in a tank. It costs a 280W draw against the Classic 300S's 26, which is the difference between a rounding error on the power bill and a space heater you left on. The 450S is the counter-top size in Levoit's line - a 4.5-litre tank on a footprint small enough for a nightstand, quieter on its lowest setting than almost anything else here at 26 dB. It claims 430 square feet; the arithmetic says holding that room takes about 1.75 gallons a day, so the tank would last around 16 hours rather than the advertised 45.
155 sq ft supported · box says 430 sq ft
Objecto
Objecto H7 Hybrid
Sold through West Elm and QVC rather than a hardware aisle, which tells you what it is optimised for - a slim tower in a walnut-and-white finish that looks like a speaker. The hybrid heater and four mist levels are real, but a 2.4-litre tank is the smallest of anything here claiming 650 square feet, and twenty-two hours of runtime from it works out to under 0.7 gallons a day. Holding the room it claims would empty the tank in about four hours. Buy it because you want that object on that table; the arithmetic is not the reason.
170 sq ft supported · box says 650 sq ft