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Portable air purifier

Austin Air HealthMate

HealthMate standard model

$715US price, checked Oct 13, 2026

Heavy steel purifier with lots of carbon, five-year filters and no published CADR

Check price at Austin Air Full review →

Portable air purifier

Coway Airmega AP-1512HH Mighty

US AP-1512HH / AP-1512HH(W)

$239.99US price, checked Oct 13, 2026

Compact purifier for rooms up to about 360 ft², with filters near $60 a year

Check price at Coway Full review →

Criterion	Austin Air HealthMate	Coway Airmega AP-1512HH Mighty
US price	$715Checked Oct 13, 2026 · Price details in the review	$239.99Checked Oct 13, 2026 · Price details in the review
Three-year ownership estimate	$952 Incomplete known subtotal. Not included: energy use.	$419.36 Incomplete known subtotal. Not included: energy use.
Choose if	You want a steel purifier with lots of carbon for odors and a filter change only every few years.	A bedroom or living room up to about 360 ft² where you want cheap yearly filters and simple controls.
Main trade-off	You pay $715 or more without a CADR, room size, noise or wattage figure to judge it by.	Coway publishes only one power figure and a noise range, and no independent listing for this model could be confirmed.
Key specifications	CADR (smoke, dust, pollen): Not published by Austin Air Room size: Not published. Austin Air says only that it can clean large rooms Filter: One 4-stage filter: two pre-filters, 780+ cu in of carbon and zeolite (up to 15 lb), 60 sq ft of HEPA HEPA efficiency (maker's claim): 99.97% of particles down to 0.3 micron and 99% down to 0.1 micron Filter life and price: Up to 5 years in normal home use; $395 per replacement Fan: 3-speed centrifugal; motor rated for continuous use Power draw and noise: Not published. The manual gives only the outlet: 120 V AC, 60 Hz Wheels: The manual lists easy-roll wheels on standard-size models Size and weight: 14.5 × 14.5 × 23 in; 47 lb	CADR (smoke, dust, pollen): 233, 246 and 240 Room size: 361 ft² at 4.8 air changes an hour (one change every 12.5 minutes); 874 ft² at 2; 1,748 ft² at 1 Noise: 24 to 53 dB(A); no per-speed breakdown Power draw: 77 W; Coway gives one figure, not high and low Filters: Washable pre-filter, deodorization filter and HEPA filter, plus an ionizer you can switch off Filter life and price: HEPA 1 year, deodorization 6 months; $59.79 Fresh Starter set (1 HEPA, 2 deodorization), $64.99 Allergen, Intense Smoke or Pet set Controls: Auto, speeds 1 to 3 and Eco; 1, 4 or 8 hour timer; dust sensor, air quality light and filter indicator Size and weight: 16.8 × 18.3 × 9.6 in; 12.3 lb
Exact variant	HealthMate standard model	US AP-1512HH / AP-1512HH(W)
Dimensions	14.5 L × 14.5 W × 23 H in; 47 lb.	16.8 × 18.3 × 9.6 in (width × height × depth), or 43 × 46 × 24 cm. It weighs 12.3 lb (5.5 kg).
Installation	No installation. It plugs into a standard 120 V outlet. Austin Air says to set it on a flat, dry, stable surface at least four inches from any wall, with the vent facing away from the wall. It's meant to run 24/7.	No installation. It sits on the floor and plugs into a standard 120 V outlet. The manual asks for at least 20 cm (about 8 in) from walls and other objects. Leave 30 to 60 cm of open space above it. Keep it 2 m from a TV or other electronics, off sloped surfaces and out of direct sunlight. It's meant for indoor household use.
Materials	Steel housing with a 360° perforated intake and a baked-on powder-coat finish. The filter has a large-particle pre-filter, a medium-particle pre-filter, over 780 cubic inches of activated carbon and zeolite (up to 15 lb), and 60 sq ft of HEPA media.	Four stages: a washable pre-filter, a deodorization filter, a HEPA filter and a bipolar device. The manual calls that last stage the ionizer and gives it its own on/off button. The filter set page describes the deodorization filters as carbon filters for odors and gases.
Warranty	Five years on the unit against defects in material and workmanship, under normal home use. Coverage depends on returning the warranty registration. The filter has its own five-year pro-rated warranty, and Austin Air doesn't explain how the pro-rating works.	Coway's manual covers the motor and electronic parts for 3 years from the original retail purchase. Internal and functional parts get 1 year. Coway's support list also puts the AP-1512HH under 3-year coverage. Claims need proof of purchase and a video of the problem. Filters aren't listed as covered. Problems caused by non-genuine filters, skipped filter changes, or commercial or office use are excluded.
Returns	30-day money-back guarantee, no questions asked. Austin Air doesn't say who pays return shipping.	The product page offers a 30-day money-back guarantee and "30 days free return", with an asterisk pointing to the return policy. That policy gives you 30 days from the ship date to request a return. It also says you pay shipping, handling and processing costs unless Coway made the error. If parts are missing, Coway may charge a restocking fee of 15% of the price or the value of the missing parts, whichever is higher. Refunds go to the original payment method. The policy doesn't say whether opened filters can be returned.
Unresolved questions	CADR for smoke, dust and pollen, and the room size it suits Power draw at each speed, so running cost is unknown Noise at each speed How the pro-rated filter warranty is calculated Why Austin Air's two stores list different prices Whether it's in AHAM's Verifide directory or on CARB's certified list	Whether it's listed in AHAM's Verifide directory or Energy Star's certified product list; neither could be checked Whether CARB certified the AP-1512HH; the readable part of CARB's list stopped at entries from November 2025 Power draw on low and Eco, and which speed the 77 W figure refers to Noise at each fan speed Standby power Whether opened filters can be returned What differs inside the Allergen, Intense Smoke and Pet filter sets

These comparisons use published specifications, not head-to-head tests. Prices and terms are dated. Unknown costs are not zero. Check the exact variant before you buy.