Air Treatment & Portable Climate
Winix AM90 Wi-Fi True HEPA Air Purifier
Exact model AM90
Also identified as: AM90, AM90 Wi-Fi True HEPA Air Purifier, Winix AM90
Winix AM90 is a connected four-stage Winix purifier using Filter A, PlasmaWave, dual sensing, app and Alexa control, and five-speed airflow.
- The current AM90 manual lists an AHAM verified room size of 373 square feet.
- AHAM CADR values published for the AM90 are 233 cfm for smoke, 240 cfm for dust, and 230 cfm for pollen.
- Published electrical input is 120 volts, 60 Hz, with a maximum power rating of 65 watts.
- Published dimensions are 14.9 by 7.8 by 23.6 inches and published weight is 15.8 pounds.
- The exact replacement family is Winix Filter A, identified by SKU 115115.
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Information checked August 28, 2026. Confirm critical specifications with the manufacturer.
Official resources
Manuals and official support
Replacement parts and accessories
Products for Winix AM90
Confirm your exact model number, the current product listing, included parts, and return terms before ordering.
Consumables & accessories
Accessory
Genuine Winix 115115 Replacement Filter A
Use this exact replacement filter when the device filter indicator or documented service interval calls for replacement for Winix AM90. The recommendation is limited to the documented function and product boundary; follow the exact device instructions before installation, cleaning, routing, or replacement.
Listing reviewed 2026-08-28
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Generic Accessory
Temtop M10+ 6-in-1 Indoor Air Quality Monitor
Use as an independent room air-quality trend check beside, not inside, the purifier for Winix AM90. The recommendation is limited to the documented function and product boundary; follow the exact device instructions before installation, cleaning, routing, or replacement.
Listing reviewed 2026-08-28
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Airthings Wave Plus Indoor Air Quality Monitor
Use as an independent multi-parameter room monitor to add radon and carbon-dioxide context to purifier operation for Winix AM90. The recommendation is limited to the documented function and product boundary; follow the exact device instructions before installation, cleaning, routing, or replacement.
Listing reviewed 2026-08-28
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Govee H5179 Wi-Fi Thermometer Hygrometer
Use as an independent temperature and humidity monitor for the room served by the purifier for Winix AM90. The recommendation is limited to the documented function and product boundary; follow the exact device instructions before installation, cleaning, routing, or replacement.
Listing reviewed 2026-08-28
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Amazon Basics Microfiber Cleaning Cloths, 24-Pack
Use a clean dry cloth for the documented exterior and sensor-area wiping tasks while the purifier is unplugged for Winix AM90. The recommendation is limited to the documented function and product boundary; follow the exact device instructions before installation, cleaning, routing, or replacement.
Listing reviewed 2026-08-28
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OXO Good Grips Deep Clean Brush Set
Use the detail brushes only on unplugged, accessible grille edges and removable prefilter frames identified for cleaning for Winix AM90. The recommendation is limited to the documented function and product boundary; follow the exact device instructions before installation, cleaning, routing, or replacement.
Listing reviewed 2026-08-28
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BLACK+DECKER dustbuster Cordless Handheld Vacuum HNV220BCZ10FF
Use low-contact suction for loose dry dust on the removable prefilter or nearby floor after following the filter-removal instructions for Winix AM90. The recommendation is limited to the documented function and product boundary; follow the exact device instructions before installation, cleaning, routing, or replacement.
Listing reviewed 2026-08-28
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Protection
Eaton Tripp Lite ULTRABLOK Isobar 2-Outlet Direct-Plug Surge Protector
Use as surge protection for this U.S. line-powered purifier; it is not a replacement cord, adapter, or battery backup for Winix AM90. The recommendation is limited to the documented function and product boundary; follow the exact device instructions before installation, cleaning, routing, or replacement.
Listing reviewed 2026-08-28
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Additional useful information
Winix AM90 owners can use this exact-model guide to verify the published configuration, complete setup, choose operating modes, perform routine care, isolate common failures, and avoid applying parts or instructions from a nearby sibling.
Winix AM90 is the exact AM90 Wi-Fi True HEPA Air Purifier covered here. It is a connected four-stage Winix purifier using Filter A, PlasmaWave, dual sensing, app and Alexa control, and five-speed airflow.
Published configuration: The current AM90 manual lists an AHAM verified room size of 373 square feet. AHAM CADR values published for the AM90 are 233 cfm for smoke, 240 cfm for dust, and 230 cfm for pollen. Published electrical input is 120 volts, 60 Hz, with a maximum power rating of 65 watts. Published dimensions are 14.9 by 7.8 by 23.6 inches and published weight is 15.8 pounds.
Setup, operation, and troubleshooting: Match the AM90 to Filter A SKU 115115 and keep the 14-day prefilter, three-month carbon, and twelve-month HEPA intervals distinct. Hold the Wi-Fi button for three seconds to begin pairing, then add Alexa only after the app sees the purifier. If Auto response is weak, allow sensor stabilization, clean the odor path, expose the light sensor, and compare with a manual speed. Do not wash the carbon or HEPA media.
Maintenance and model boundaries: The exact replacement family is Winix Filter A, identified by SKU 115115. Four-stage treatment uses a washable prefilter, activated-carbon filters, True HEPA media, and PlasmaWave. The manual calls for prefilter cleaning about every 14 days, carbon-filter replacement about every three months, and HEPA replacement about every twelve months. The AM90 uses odor and light sensors, with red, amber, and blue air-quality indications. Wi-Fi app control and Amazon Alexa are supported, and wireless pairing starts by holding the Wi-Fi control for three seconds. The fan system provides five speeds with automatic and sleep behavior, and published minimum sound is 27 dB. Match replacement filters, tanks, drain hoses, window-kit pieces, remotes, and power components to Winix AM90; nearby capacities and series names can use different dimensions, fittings, controls, or electrical requirements.
- Four-stage treatment uses a washable prefilter, activated-carbon filters, True HEPA media, and PlasmaWave.
- The manual calls for prefilter cleaning about every 14 days, carbon-filter replacement about every three months, and HEPA replacement about every twelve months.
- The AM90 uses odor and light sensors, with red, amber, and blue air-quality indications.
- Wi-Fi app control and Amazon Alexa are supported, and wireless pairing starts by holding the Wi-Fi control for three seconds.
- The fan system provides five speeds with automatic and sleep behavior, and published minimum sound is 27 dB.
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