Question 1

Which is better, Honeywell HCM-350 or Dyson PH04 Purify Cool Humidify?

Accepted Answer

Based on our testing, the Honeywell HCM-350 scores higher overall at 9/10. The Honeywell HCM-350 scored 9/10 and the Dyson PH04 Purify Cool Humidify scored 8.7/10 in our Best Cool Mist Humidifiers 2026 evaluation.

Question 2

Is the Honeywell HCM-350 worth it over the Dyson PH04 Purify Cool Humidify?

Accepted Answer

The Honeywell HCM-350 scores 9/10 while the Dyson PH04 Purify Cool Humidify scores 8.7/10. The Honeywell HCM-350 is our "Best Overall" pick in the Best Cool Mist Humidifiers 2026 category.

Honeywell HCM-350 vs Dyson PH04 Purify Cool Humidify: Which to Buy?