10 Best Air Purifier With Humidifier Functions 2026 in the United States

The Dyson Purifier Humidify+Cool Formaldehyde PH04 is an air purifier combined with a humidifier, designed for living rooms or offices. It uses a HEPA filter to capture fine particles and includes a special sensor to detect and break down formaldehyde, which is a common indoor pollutant. This makes it a good choice if you want cleaner air and some protection against harmful gases. The humidifier function helps maintain comfortable humidity levels, which can be especially helpful in dry environments. It operates automatically and can be programmed for convenience.

The Dyson Purifier Humidify+Cool PH2 De-NOx is a smart choice if you're looking for an air purifier that also humidifies and cools your space. It covers a decent floor area of 270 square feet, making it suitable for medium-sized rooms like bedrooms or living areas. Its filtration system is strong, using a fully sealed 3-stage HEPA H13 filter that traps 99.97% of tiny particles, including bacteria and pollutants like nitrogen dioxide (NO₂), which it removes 50% more effectively than many other purifiers. It also tackles odors, gases, and continuously breaks down formaldehyde, helping to keep your indoor air cleaner.

The Dyson Pure Humidify + Cool PH01 is a combined air purifier and humidifier designed to improve indoor air quality and add moisture to dry air. It uses a HEPA filter that captures very small particles (down to 0.3 microns), which helps clear dust, pollen, and some allergens. Additionally, it includes Dyson's Ultraviolet Cleanse technology to kill 99.9% of bacteria in the water, maintaining clean and safe mist output.