What size room is the Smartmi P1 good for?

Smartmi rates it for 17.5 to 30 square meters, about 190 to 320 square feet. That is one bedroom or a small office, not a large living area.

Does the Smartmi P1 work with Apple HomeKit?

Yes. It supports Apple HomeKit, Amazon Alexa and Google Assistant, so you can control it by app or voice.

How loud is the Smartmi P1?

It runs from 19 dB in sleep mode to 49 dB at full fan speed. Sleep mode is close to silent; full speed is audible in the same room.

Does the Smartmi P1 remove odors?

Yes. It has an odor-absorbing layer alongside the HEPA filter, which helps with cooking and pet smells in a small room.

Is the filter washable?

No. The HEPA filter is not permanent and must be replaced when it loads up. Check filter life in the app.

When is the Smartmi P1 cheapest?

The best new price was $179.99 at Amazon as of November 7, 2026, with two stores listing it new. Air purifiers often drop during fall sales events, so compare both stores before buying.

Where is the Smartmi Air Purifier P1 with HEPA Filter cheapest?

At Amazon, for $179.99, as of our latest check.

What do buyers say about the Smartmi Air Purifier P1 with HEPA Filter?

Rated 4.5 out of 5 from 73 ratings.

Where can I buy the Smartmi Air Purifier P1 with HEPA Filter?

2 stores we checked sell it, including Amazon, The Container Store.

Smartmi Air Purifier P1 with HEPA Filter

Best price now

$179.99at AmazonObserved at 10:42 PM

Compared across 2 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Our take on the Smartmi Air Purifier P1 with HEPA Filter

The Smartmi Air Purifier P1 is a compact HEPA air purifier for small rooms, rated for 17.5 to 30 square meters (roughly 190 to 320 square feet). It moves a modest 150 cfm of pollen-sized particles, runs from 19 dB in sleep mode up to 49 dB at full speed, and weighs 3 kg with a 22 cm square footprint. It works with Apple HomeKit, Alexa and Google Assistant, and the best new price is $179.99 at Amazon as of November 7, 2026, with two stores listing it new.