Model assessment · Clorox

Clorox Smart Tabletop True HEPA Air Purifier (11021) review

A small tabletop purifier with Alexa-speaker and Alexa-app controls, time-based Routines, manual fan-speed selection and an 80-sq-ft five-change rating.

Sources checked 2026-10-25 · Our editorial approach

The manufacturer page showed the exact product as out of stock at the checked capture. Preserve the feature assessment for identification and alternatives, but do not imply current purchasability or make a buying recommendation.

White Clorox Smart Tabletop True HEPA Air Purifier model 11021, with its top control panel and a phone-control graphic.

White Smart Tabletop 11021; phone graphic is illustrative.

Image source and model notes
Clorox manufacturer image for the white Smart Tabletop 11021; the phone graphic is illustrative. Clorox
A useful fit for

A reference for an enclosed personal-size room when Alexa/app access and time-based Routines are useful; connected control does not add sensor-driven Auto or raise the 80-sq-ft five-change rating.

The main tradeoff

Alexa/app Routines are distinct from sensor Auto, and the model has no air-quality light or PM2.5 display. The exact manufacturer page showed it out of stock, and its replacement-filter model remains unconfirmed; this reference is not a buying recommendation.

On this page

Your needs, this model

Does it fit your priorities?

Is Alexa or app control essential for a small-room purifier?

The exact page documents Alexa-speaker and Alexa-app operation, including remote controls and scheduled Routines. This is connected control, not an air-quality sensor.

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Do you need automatic speed changes from an air-quality sensor, rather than a scheduled routine?

The model page describes app and voice controls plus timed Routines, but its exact specification lists Auto Mode: No and Air Quality Light: No. Time-based control is not sensor-driven Auto.

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Can an 80-square-foot five-change room rating meet the fast-turnover need?

The manufacturer lists 80 sq ft at 5 ACH and 200 sq ft at 2 ACH. This model meets only the personal-size tier in the finder’s faster-rate comparison.

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Must the device show a numeric PM2.5 reading or even a color air-quality signal?

Its exact specification lists PM2.5 Display: No and Air Quality Light: No. App control does not supply a confirmed on-unit reading.

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Do you need an identified replacement-filter model before choosing this unit?

The exact 11021 page confirms two-stage filtration and a filter reminder but does not identify a replacement model in the evidence reviewed. That missing maintenance crosswalk stays unknown; do not assume the 11020J 12020 filter fits.

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The Clorox Smart Tabletop True HEPA Air Purifier (11021) is a small-room purifier whose distinctive feature is connected control, not stronger cleaning. The exact product page describes Alexa-speaker and Alexa-app control, including remote commands and timed Routines. It rates the unit for 80 square feet at five air changes per hour and 200 square feet at two air changes per hour, with the same published 53/59/55-CFM smoke, dust and pollen CADRs and the same compact body as Clorox's manual Tabletop 11020J. If your space exceeds the faster rating, the app will not make the chassis more capable.

Start with the small-room rating

Clorox's room figures assume a closed room with an eight-foot ceiling: five air changes per hour in up to 80 square feet, or two per hour in up to 200. The first is the relevant number when you want a faster repeated-cleaning pace. The second is not an equivalent five-change rating. The finder uses the 80-square-foot value as a conservative 4.8-ACH comparison floor because the maker's five-change claim is more demanding; that is a comparison convention, not a manufacturer claim at exactly 4.8 ACH.

The 7.4-inch-wide, 7.4-inch-deep and 9.29-inch-high cylinder weighs 3.15 pounds. Its shape suits a desk, bedside surface or compact room more naturally than an open-plan space. Leave a stable position for the 360-degree intake rather than hiding the base behind bedding or furniture. The published CADRs are 53 CFM for smoke, 59 for dust and 55 for pollen. A larger product may be a better choice when a room is bigger, when doors remain open, or when you want more airflow without relying on the fastest setting.

Smart scheduling is not sensor Auto

The 11021's useful difference is a choice of Alexa voice commands or the Alexa app, with Routines for scheduled on/off behavior and manual selection among three speeds. That can help if you want to start a small-room cycle remotely or have the unit follow a time-based household routine. It does not establish that the purifier reads particle levels and automatically changes its speed. Clorox's exact specification lists Auto Mode: No, Air Quality Light: No and PM2.5 Display: No. App control and a particle-responsive Auto setting solve different problems.

On the unit, the product page describes three fan speeds, a filter reminder, a timer and a night light that can be bright, dim or off. The low setting is described as quiet, but no measured noise value is published in the inspected specifications. The night light is not a dedicated Night mode. The exact spec also says there is no child lock. If you need a local numeric reading or a color air-quality signal, this model does not provide one; if you need the speed to respond to sensed air quality, choose a product with a documented sensor-based Auto mode instead.

Do not pay for connectivity you will not use

The Smart Tabletop's two-stage 360-degree filter is described as capturing particles in a pre-filter and True HEPA layer. Clorox's product page makes fine-particle and microorganism-reduction claims; treat those as manufacturer statements, not evidence that a purifier prevents illness. The exact page identifies a filter reminder, but the replacement-filter model and change interval were not confirmed in the sources used for this assessment. Do not borrow 11020J's 12020 replacement code just because the bodies and room figures look alike; the cross-reference was not established for model 11021.

That uncertainty changes the ownership decision. Before buying a seller's used or remaining-stock unit, confirm that the correct filter is available for the 11021 itself, and confirm what app setup, network support and routines are supported by its current instructions. The product page is evidence of Alexa/app features, but not a substitute for those practical setup details. If you would rather keep the purifier independent of a phone or smart speaker, the manual-control 11020J has the same stated room figures and pollutant CADRs. It is not more powerful, just simpler to operate.

Alternatives when the needs are different

For a larger small room, Clorox 11101 Turbo+ is rated for 123 square feet at five air changes per hour and adds sensor Auto and a color indicator; it still does not provide a numeric PM2.5 display. The Smart Tabletop 11021 stays in the personal-room tier. If your essential requirement is app scheduling in a room that needs more than 80 square feet at a fast cleaning cadence, compare larger app-controlled models rather than treating this small machine's 200-square-foot, two-change number as equivalent.

Bottom line

The 11021 makes sense as a feature reference for someone who specifically values Alexa/app operation and time-based Routines in a compact space. It does not offer a higher room rating than the manual 11020J, and its smart connection should not be mistaken for air-quality sensing. Its exact manufacturer page showed the product out of stock when captured. Keep that availability separate from the verified model and feature identity: this review helps identify what the model is, but does not promise stock, replacement-filter compatibility or a current buying opportunity.

Key details at a glance

Room area at 4.8 ACH (stated or calculated)80 sq ft
Room area at 2 ACH (stated or calculated)200 sq ft
Clean air delivery rate (CADR)53 CFM
App controlYes
Body width7.4 in
Body depth7.4 in
More specifications and setup details
Body height9.29 in
Published product weight3.15 lb
On-unit numeric PM2.5 displayNo
Included Pet Allergy Filter with ARC FormulaNo
Manufacturer filter-check/replacement guidanceThe exact page describes two-stage 360-degree filtration and a filter reminder but does not establish an exact replacement-filter model or a replacement interval. Do not transfer the 11020J filter number to 11021.
Purifier also has a documented circulation-fan functionNo
Built-in heating modeNo
Built-in humidification modeNo
Separate adjustable fan in exact offerNo

Use the exact model’s instructions for operating limits, supplied equipment and version differences.

Sources for this assessment

Check the room rating against your actual space.

Compare room-area figures at 4.8 air changes per hour, then check their stated or calculated basis, placement and filter care.