Coway · AP-2015F
Ready to buy
The retained reference is $649 current direct U.S. price. Promotions can be large; verify graphite or white stock, exact AP-2015F and that the purchase is the non-Wi-Fi 400 rather than 400S. Confirm an exact genuine replacement filter is available before the return window closes.
Current market
Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.
Promotions can be large; verify graphite or white stock, exact AP-2015F and that the purchase is the non-Wi-Fi 400 rather than 400S. Confirm exact current U.S. checkout price, tax and delivery before paying.
Airmega 400 is a strong non-cloud large-room choice when both intakes can remain open and the buyer accepts two-filter replacement cost, after comparing current standardized CADR with older maker-page numbers.
Other paths
These are not generic competitors. Each one represents a different way to buy into the same market.
Blueair
Coway
What changed
Older observations stay in the ledger when the current view changes. That lets a buyer tell the difference between an old complaint, an active issue, and a problem that was corrected.
Airmega 400 was checked against exact manufacturer identity and operating material, current U.S. price, filter availability and cost, room-size test basis, independent comparison and bounded owner evidence.
Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.
Current reference priceA structured timeline will begin with the next source capture
Owner experience
Owner discussion returns to two-sided clearance, panel fit, low-speed sound, filter cost and conflicting published cadr revisions rather than a universal air-quality outcome.
These are self-reported experiences from different room volumes, ceiling heights, layouts, sources, outdoor conditions, fan speeds, filter ages, placements, app versions, electrical conditions and individual sensitivities. They identify checks to run and do not prove exposure reduction, symptom improvement, gas removal, smoke safety, mold remediation, reliability or failure rates.Exact-model owners discuss low-speed sound, large footprint, panel fit, sensor response and paired-filter cost across varied rooms.
Use the latest exact certification record, test sound at the needed speed and confirm both filter panels remain accessible in the chosen location.
1 evidence recordSources
The page separates what a source states directly from what we conclude across sources.
Coway identifies exact model AP-2015F as a wide dual-intake purifier with two washable pre-filters, two bonded Max2 filters, particle auto mode and no app.
$649 current direct U.S. price was retained for exact model AP-2015F. Promotions can be large; verify graphite or white stock, exact AP-2015F and that the purchase is the non-Wi-Fi 400 rather than 400S
The 400 uses two washable pre-filters and a paired 400/400S Max2 set, each Max2 bonding activated carbon to HEPA media; both sides must be installed and maintained together Coway's current page lists 328 cfm smoke, 328 dust and 400 pollen, while the current ENERGY STAR record for AP-2015F reports 376, 384 and 409 with 583 square feet. The revision difference must be retained rather than silently mixed The maker reports 22 to 52 dB(A) with sleep, low, medium and high and roughly 66 W maximum; independent RTINGS testing supplies same-bench sound and PM1 CADR for its tested sample A particle sensor drives the colored ring and auto/eco response. It does not measure gas concentration or guarantee that quiet auto settings meet a target ACH
The genuine paired 400/400S Max2 set is listed at $129 with an approximately one-year interval; price two-sided service as a single recurring item Clean and fully dry both pre-filters, keep both intakes and the sensor clear, never wash Max2 media, replace the pair and reset the service indicators according to the manual The 400 has no app or account. The 400S is a separate connected model and should not be inferred from shared filter compatibility Coway publishes the exact manual, paired filters, U.S. registration and a five-year warranty statement for the 400 family; confirm coverage by seller and serial
EPA treats portable filtration as a supplement to source control and clean-air ventilation, sizes particle cleaners by CADR and room volume, separates particle from gas filtration and states that no air cleaner removes every pollutant.
AHAM's suggested room size uses 4.8 air changes per hour and publishes separate tobacco-smoke, dust and pollen CADRs; room height and desired repetition remain part of sizing.
CARB certification addresses low ozone emissions and electrical safety under its regulation; CARB explicitly says listing does not establish cleaning effectiveness or complete health safety.
Independent 2026 bench testing covers PM1 CADR, performance below a noise ceiling, filter construction, controls and footprint for the exact sample.
Exact-model owners discuss low-speed sound, large footprint, panel fit, sensor response and paired-filter cost across varied rooms.
Blue Signature Large is the design-led connected large-room filtration alternative at $449.99 current direct U.S. price.
Airmega ProX is the very large room and open-plan mechanical filtration alternative at $999 current direct U.S. price.
Manufacturer identity, exact filter and manual or support material, current U.S. price, AHAM or published CADR and room-size basis, independent comparative or instrumented editorial, CARB ozone context, EPA limitations and bounded owner evidence were checked on August 17, 2026. This desk covers complete current U.S.-market portable room air purifiers for serious home use. It excludes HVAC filters, industrial scrubbers, dehumidifiers, unsupported marketplace devices, filter-only products and cosmetic-only variants. CADR measures particle clean-air delivery under stated conditions; it is not a gas-removal rating, health guarantee or proof that one unit serves a whole home. Room-size headlines at one, two and 4.8 air changes per hour are not interchangeable. Sound, energy, filter efficiency, sensor readings, app features, auto modes, carbon labels, HEPA wording, CARB listing and ENERGY STAR status each have separate test boundaries. Source control and clean-air ventilation remain primary. No purifier prevents, treats or diagnoses illness, guarantees exposure reduction or smoke safety, remediates mold or assures universal indoor-air outcomes. Carbon monoxide alarms, moisture repair, professional hazardous-material work and public-health guidance remain separate needs.
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