Is the Honeywell Mist Mate worth it?

At $49.97 at Amazon as of November 4, 2026, it is a reasonable pick for a small bedroom if you want a filter-free cool-mist unit. If you need to humidify a large room or hold a set humidity level, spend more on a model with a humidistat and bigger tank.

How long does the 0.5-gallon tank last?

Expect roughly 12 to 24 hours per fill depending on the mist setting and room conditions. On high output in a dry room, plan on refilling once a day.

Does it need filters?

No. Honeywell lists it as filter-free, so there are no replacement costs. You still need to rinse the tank and wipe the base regularly to prevent mineral buildup and film.

Does it shut off automatically?

Yes. It shuts off when the water level gets too low, which protects the ultrasonic plate. There is no timer or humidistat, so it will not cycle on and off to hold a target humidity.

What size room is it for?

Honeywell rates it for small rooms. It suits a bedroom, office or nursery, not a living area or open floor plan.

Only one new price is tracked, $49.97 at Amazon as of November 4, 2026, so there is no recent low to wait for. Small humidifiers like this often dip during cold-and-flu season promotions and after the holidays.

Where is the Honeywell Mist Mate Cool Mist Humidifier cheapest?

At Amazon, for $49.97, as of our latest check.

Where can I buy the Honeywell Mist Mate Cool Mist Humidifier?

3 stores we checked sell it, including Mercari, eBay, Amazon.

Honeywell Mist Mate Cool Mist Humidifier

Best price now

$49.97at AmazonObserved at 8:25 PM

Compared across 3 stores. Prices are checked against each store and labelled with when.

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Our take on the Honeywell Mist Mate Cool Mist Humidifier

The Honeywell Mist Mate is a small ultrasonic cool-mist humidifier with a 0.5-gallon tank and no filters to replace. It has adjustable mist output and automatic shutoff when the water runs out, and it is meant for a bedroom, office or nursery rather than a whole floor. The best new price is $49.97 at Amazon as of November 4, 2026, the only new listing tracked, so there is no recent price range to compare against.