Winix Air Purifiers Compared: All 25 Certified Models, and Which to Buy

Buy the Winix AT40 for most rooms. It was $192.57 at Amazon.com on November 11, 2026, it comes with two years of filters, and it is the cheapest Winix to own for two years (about $341 among the models rated for rooms over 246 sq ft).

  1. Best for most rooms

    Winix AT40

    $192.57 on Amazon, November 11, 2026

    Check price on Amazon

    Two years of filters in the box and only 45 W. ENERGY STAR.

    265 smoke CADR · 410 sq ft · 45 W · ENERGY STAR

  2. Spend less today

    Winix T810

    $175.99 on Amazon, November 11, 2026

    Check price on Amazon

    Lowest price for this cleaning power: 270 smoke CADR for 418 sq ft at 45 W, ENERGY STAR. Its Filter R is $74.99 a year.

    270 smoke CADR · 418 sq ft · 45 W · ENERGY STAR

  3. Big room, up to about 520 sq ft

    Winix 9800

    $299.99 on Amazon, November 11, 2026

    Check price on Amazon

    337 smoke CADR, the most of any Winix you can buy on Amazon today. It draws 95 W, about $157 a year running all day.

    337 smoke CADR · 522 sq ft · 95 W

  4. Bedroom or office

    Winix A230

    $99.99 on Amazon, November 11, 2026

    Check price on Amazon

    159 smoke CADR for 246 sq ft, $99.99. It has the cheapest filter ($29.77 a year).

    159 smoke CADR · 246 sq ft · 47.5 W

Prices are Amazon's on November 11, 2026; each listing names the model, and we checked it was in stock that day.

By Erin Rose · Updated

01 / Every model

All 25 certified Winix air purifiers (the ones you can buy on Amazon first)

All 25 certified Winix air purifiers (the ones you can buy on Amazon first): certified smoke CADR, room size, watts, ENERGY STAR, yearly filter cost, two-year cost and Amazon price
ModelSmoke CADRRoom (sq ft)WattsENERGY STARFilter / yr2-year costPriceBuy
Winix 9800same numbers as C909 337 522 95 No — — $299.99 Buy
Winix T810same numbers as T830 270 418 45 Yes $75 $399 $175.99 Buy
Winix T830same numbers as T810 270 418 45 Yes $75 $421 $198.00 Buy
Winix AT40same numbers as AT41 265 410 45 Yes $50 $341 $192.57 Buy
Winix 5510same numbers as 5520, 5530 253 392 65 No $47 $441 $179.99 Buy
Winix 5520same numbers as 5510, 5530 253 392 65 No $47 $441 $179.99 See Winix AT40 on Amazon
Winix 5530same numbers as 5510, 5520 253 392 65 No $47 $481 $219.99 See Winix AT40 on Amazon
Winix C610same numbers as C710 248 384 45 Yes $50 $374 $176.49third-party seller Buy
Winix A230same numbers as A231 159 246 47.5 No $30 $286 $99.99 Buy
Winix Tower XQ 461 714 87.1 Yes — — — —
Winix XQ Pro 461 714 90 Yes — — — —
Winix XLC 446 691 90 No — — — —
Winix C909same numbers as 9800 337 522 95 No — — — —
Winix D480 321 498 82 No — — — —
Winix AT41same numbers as AT40 265 410 45 Yes — — — —
Winix AM80 264 409 65 No — — — —
Winix C710same numbers as C610 248 384 45 Yes $50 — — —
Winix AM90 241 373 65 No — — — —
Winix 5300-2same numbers as 5500-2, C535 239 370 57.8 No — — — —
Winix 5500-2same numbers as 5300-2, C535 239 370 57.8 No — — — —
Winix C535same numbers as 5300-2, 5500-2 239 370 57.8 No — — — —
Winix C545 234 363 55 No $49 — — —
Winix D360 233 361 65.6 No — — — —
Winix T500 162 251 55 No — — — —
Winix A231same numbers as A230 159 246 47.5 No $30 — — —

CADR, room size and watts are AHAM's certified figures (October 23, 2026). Power per year = running all day on the smoke setting at 18.83¢ per kWh. Filter = genuine Winix filter on Amazon, replaced every 12 months. 2-year cost = price + the filter you'd buy + two years of power (the AT40 ships with two filter sets). Price shown only when the Amazon listing names that model and was buyable November 11, 2026; a filter with no same-day price shows no price, and the 2-year cost is left blank where it needs that filter.

02 / Twins

Same certified numbers, different names

These models have identical certified numbers: the same smoke, dust and pollen CADR, room size and watts. Where the filters differ, the row says so. Otherwise, buy whichever is cheapest.

  • 9800 = C909: 337 smoke CADR, 522 sq ft, 95 W. Cheapest on Amazon today: 9800: $299.99.
  • T810 = T830: 270 smoke CADR, 418 sq ft, 45 W. Cheapest on Amazon today: T810: $175.99.
  • AT40 = AT41: 265 smoke CADR, 410 sq ft, 45 W. Cheapest on Amazon today: AT40: $192.57.
  • 5510 = 5520 = 5530: 253 smoke CADR, 392 sq ft, 65 W. Cheapest on Amazon today: 5510: $179.99.
  • C610 = C710: 248 smoke CADR, 384 sq ft, 45 W. Cheapest on Amazon today: C610: $176.49.
  • 5300-2 = 5500-2 = C535: 239 smoke CADR, 370 sq ft, 57.8 W. Cheapest on Amazon today: no same-day price. Same certified numbers, but not the same filter: the 5500-2 takes Winix Filter H, while the 5300-2 and C535 take Filter A. Buy the filter that matches your model.
  • A230 = A231: 159 smoke CADR, 246 sq ft, 47.5 W. Cheapest on Amazon today: A230: $99.99.

03 / Questions

Frequently asked

Winix 5510 vs 5520 vs 5530: what is the difference?
Their certified numbers are identical: 253 smoke CADR, 392 sq ft, 65 W, and all three take Filter Q ($47.49 a year). On November 11, 2026 the 5510 and 5520 were $179.99 and the 5530 $219.99 at Amazon.com. Buy whichever is cheapest the day you shop. If you can spend $12.58 more, the AT40 cleans more smoke (265) on 45 W instead of 65 W.
Winix 5500-2 vs 5510: should you upgrade?
The 5510 replaced the 5500-2. AHAM rates the 5510 higher on smoke (253 vs 239) and room size (392 vs 370 sq ft), but it draws 65 W vs 57.8 W. The 5510 was $179.99 on November 11, 2026.
Winix AT40 vs T810?
Close on cleaning (265 vs 270 smoke CADR, 410 vs 418 sq ft), both 45 W and ENERGY STAR. The T810 costs less today ($175.99 vs $192.57), but the AT40 ships with a second filter. Its Filter Z is $49.99 vs $74.99 for Filter R. Over two years the AT40 is about $58 cheaper.
Winix C545 vs 5510?
The 5510 cleans more (253 vs 234 smoke CADR) and is sold by Amazon.com at $179.99; the C545 comes from third-party sellers.
What is the best Winix air purifier?
For most rooms the AT40: 265 smoke CADR for 410 sq ft, 45 W, ENERGY STAR, two years of filters in the box, $192.57 on November 11, 2026. For a big room the 9800 (337 smoke CADR). For a bedroom the A230 ($99.99).
How many Winix air purifiers are certified?
AHAM's directory lists 25 Winix models for the U.S. (October 23, 2026). 16 of them share their certified numbers with another model, so there are 16 distinct machines.
Which Winix models have the same certified numbers?
Models with identical certified numbers: 9800 = C909; T810 = T830; AT40 = AT41; 5510 = 5520 = 5530; C610 = C710; 5300-2 = 5500-2 = C535; A230 = A231. Identical numbers do not always mean the same filter: the 5500-2 takes Winix Filter H, while the 5300-2 and C535 take Filter A.
How much do Winix filters cost?
Genuine Winix filters on Amazon, November 11, 2026: Filter O (A230/A231) $29.77; Filter Q (5510/5520/5530) $47.49; Filter S (C545) $48.83; Filter Z (C610/C710/AT40) $49.99; Filter R (T810/T830) $74.99. Winix says to replace each every 12 months.
Which Winix air purifier is the quietest?
On Winix's own lowest-speed figures: AT40 22.04 dB, C710 22 dB, 5520 23.5 dB, T810 23.8 dB and A230 25 dB. All are whisper-quiet on low; Winix does not publish high-speed noise.

References

Sources

4 references · checked November 11, 2026
  1. 1

    AHAM Verifide directory: certified room air cleaners (U.S.)

    Pulled October 23, 2026. Smoke, dust and pollen CADR, room size and smoke-setting watts for all 25 Winix models.

  2. 2

    Winix America product pages (T810, A230, AT40, C710, 5520)

    Read November 11, 2026. Lowest-speed noise, filter part numbers, weight, warranty.

  3. 3

    Winix America genuine filter pages: Filter H and Filter A

    Read October 29, 2026. Filter H fits the 5500-2 and AM80. Filter A fits the 5300-2, C535, 9800 and C909, among others.

  4. 4

    Amazon listings and genuine Winix filters

    Price, seller and stock read live November 11, 2026. A model is priced only when its listing names that model.