Shark model comparison
Shark HP072 vs HP062: compact size or a larger 1-ACH fit?
The Shark HP072 and HP062 Compact Pro purifiers fit a similar small-room role, but their U.S. manufacturer pages describe different routines. HP072 is a NeverChange Compact Pro rated up to 250 square feet at one air change per hour (ACH); HP062PK is a BreatheClear Compact Pro rated up to 300 square feet at the same 1-ACH basis. Neither headline supports a 4.8-ACH room claim or a CFM CADR comparison. The right decision starts with your required turnover rate and room, then moves to sensing, scent, and maintenance.
The 50-square-foot difference is still only at one ACH
Shark's exact U.S. HP072 page states up to 250 square feet in one hour based on AHAM AC-1 at 1 ACH on maximum fan. The HP062PK page uses the same one-hour/one-ACH basis for up to 300 square feet. At that common basis, HP062PK has the larger published area by 50 square feet. That does not make it a verified fit for every faster-cleaning plan: both models have unknown 2- and 4.8-ACH areas and no confirmed CADR here. If you need a stringent particle-reduction rate, keep looking for same-rate test data instead of treating the difference as a higher-speed benchmark.
Both are small floor units, but their exact body measurements differ. Shark lists HP072 at 9.21 inches square by 11.61 inches high and 4.41 pounds; HP062PK Blush is 9.18 inches long, 9.34 inches wide, 11.54 inches high, and 5.58 pounds. Body space does not include the extra open space required around air inlets. A Shark family guide mentions three inches of clearance, but exact guide-version scope remains a caveat, so check the manual that comes with the exact model and leave the airflow path open.
Choose between particle feedback and added sensors
HP072 pairs CleanSense IQ with particle-focused Auto response. Shark says its “Clean Air 100%” display means measured particle concentration is at or below the device sensor's detection limit; it is not a certificate that the air is pollutant-free. A Shark-authored HP070-series guide describes a display that can switch between this percentage and numeric PM1, PM2.5, and PM10 values. That is useful local particle context, but the manual is a family guide and should be checked against the delivered model. The exact HP072 product page does not establish an app or a strict TVOC sensor.
HP062PK adds a different kind of feedback. Its exact page says sensors scan the air 3,600 times per hour, detect VOC/odor levels, adjust fan speed automatically, and use motion sensing to boost output when movement is detected. Its display shows VOC and particle information, though its exact wording does not establish that a strict TVOC reading appears. It also does not document a numeric on-unit PM2.5 concentration in µg/m³. If you need a dedicated TVOC monitor or exact numerical particulate values, verify the precise display rather than assuming the product-page terms mean that. These distinctions may matter more than a 50-square-foot change at the slow 1-ACH basis.
Filter claims and scent change the daily bargain
Both pages advertise long-lived main filters, but the claims differ: HP072 says up to five years; HP062 describes zero filter changes for up to six years. “Up to” is a ceiling, not a warranty that the filter will last for that period in a high-dust or heavily occupied room. Both designs include a washable Debris Defense element that still needs checking and cleaning. HP072's exact one-unit box includes an Odor Neutralizer cartridge that emits scent. HP062PK's exact in-box list names the purifier, a HEPA-exceeding filter, and a washable debris screen, without an odor cartridge. The latter is the clearer fit if you do not want a scent cartridge supplied; the former has a pleasant-scent feature for buyers who actively want it.
Shark's current U.S. HP072 accessory page recommends replacing its odor-neutralizer cartridges every six months. It is an accessory-page recommendation, not a model-specific HEPA-filter schedule. Treat the scent element as separate from the main filter's life. Neither purifier's page proves room CADR, and the HP072 scent cartridge should not be confused with gas sensing. HP062's VOC/odor sensors detect what the product says they detect; the added scent on HP072 is not a measurement feature.
Which model suits which need?
Favor HP072 when a 250-square-foot 1-ACH plan is acceptable, compact dimensions matter, and you value local particle response plus the long-life HEPA claim. Its page lists a 16-watt rated input and 19.2-watt peak; HP062PK lists 20 watts. These are manufacturer figures, not energy-test results. Its one-unit box includes a scent cartridge, so fragrance avoidance is a reason to reject it even if the cartridge can be turned off or removed.
Favor HP062PK when you can use the larger 300-square-foot one-ACH basis, want explicit motion-triggered fan response and VOC/odor sensing, and prefer its listed contents without a scent cartridge. It carries its own limitations: faster-rate area and strict TVOC behavior are still not established, and sensor descriptions do not replace an independent monitor. Neither choice is suitable merely because a one-hour area figure looks large. Check the exact room and rate first, then choose the control and scent routine that fits the household. The HP072B2 offer is a different option when you actually want two HP072 units for two rooms; it is not a larger single-room purifier.
HP072 review · HP062PK review · HP072B2 two-unit assessment