Does it really need no water?

Correct. It atomizes fragrance oil directly with cold air, so there is no water tank to fill.

How much area does it cover?

ScentiPlus rates it for rooms up to 500 square feet. Larger or open spaces will need a stronger mist setting or a second unit.

How often do I refill it?

The bottle holds 100ml of oil. How long that lasts depends on your mist setting and how often it runs.

Can I use any fragrance oil?

Use oils made for cold-air or nebulizing diffusers. Thick or water-based liquids can clog the atomizer.

Is $37.98 a good price?

It is the best new price among the two stores listing it as of November 6, 2026, so it is the low end of what is available right now.

Does it leave residue on surfaces?

ScentiPlus says the cold-air atomization leaves no damp or oily residue, unlike water-based diffusers.

Where can I buy the ScentiPlus Waterless Nano Scent Air Machine?

2 stores we checked sell it, including Amazon, eBay.

ScentiPlus Waterless Nano Scent Air Machine

Q: Where is the ScentiPlus Waterless Nano Scent Air Machine cheapest?

At Amazon, for $37.98, as of our latest check.

Best price now

$37.98at AmazonObserved at 12:23 AM

Prices are checked against each store and labelled with when.

Visit Amazon

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Our take on the ScentiPlus Waterless Nano Scent Air Machine

The ScentiPlus is a plug-in cold-air atomizer that scents a room without water. It holds 100ml of fragrance oil and covers up to 500 square feet, with adjustable mist output and no damp or oily residue. The best new price is $37.98 at Amazon as of November 6, 2026, the lowest of the two stores that list it new.

Best for