Which is better for a large bedroom?

The Winix 5500-2. It is rated for 360 sq ft against 73 sq ft for the Dyson, and it publishes a 246 pollen CADR.

Does the Dyson HP1 purify as well as the Winix?

Its sealed HEPA H13 system captures 99.97% of particles down to 0.3 microns, which is strong filtration. The limit is coverage: 73 sq ft versus 360 sq ft.

Which is quieter at night?

The Winix publishes 27-51 dB, with 27 dB on its lowest speed. Dyson does not publish a noise figure for the HP1, so the Winix is the safer bet for a bedroom.

Is the Dyson worth the extra?

At $289.99 at ShopSimon as of November 7, 2026 it costs the same as the Winix, and it fell to $209.99 on October 29, 2026. It is worth it only if you need heating and cooling from the same unit.

Do either need filter replacements?

Both use replaceable HEPA filters. The Winix also has a washable pre-filter that you rinse instead of replacing.

Which has better smart controls?

The Dyson, through the MyDyson app and Alexa. The Winix has a remote plus Alexa and Google Assistant but no app.

Winix 5500-2 Air Purifier vs Dyson Purifier Hot+Cool HP1

Buy the Winix 5500-2 if you want to clean the air in a normal room. Its 360 sq ft coverage and 246 pollen CADR are built for that job, and it costs $289.99 at ShopSimon as of November 7, 2026. Buy the Dyson Purifier Hot+Cool HP1 if you want one machine that also heats and cools a small space; its listed coverage is only 73 sq ft. The Dyson's price has swung between $209.99 on October 29, 2026 and $289.99 on November 4, 2026, so the gap between the two changes by the week.

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