Coway Airmega AP-1512HHS vs Dyson Purifier Hot+Cool HP2 De-NOx

Coway Airmega AP-1512HHS is the better buy for most homes. It delivers True HEPA plus carbon filtration behind a washable pre-filter, carries a 3 year warranty against Dyson's 2, and is one of the best reviewed purifiers in the category, at a fraction of the cost of Dyson Purifier Hot+Cool HP2 De-NOx.

Sensing depth and function. Dyson Purifier Hot+Cool HP2 De-NOx measures PM2.5, VOCs, formaldehyde and temperature and also works as a heater and cooling fan, while Coway Airmega AP-1512HHS senses PM2.5 only and does one job. The Dyson replaces several appliances, the Coway just cleans air well.

Coway Airmega AP-1512HHS, with 3 years of coverage, unusually long for an air purifier. Dyson Purifier Hot+Cool HP2 De-NOx comes with a 2 year limited warranty.

Dyson Purifier Hot+Cool HP2 De-NOx is the only option of the two. It is Matter certified and supports Apple HomeKit and Samsung SmartThings as well as Alexa and Google Home. Coway Airmega AP-1512HHS works through the IoCare app with Alexa and Google Home only.

Anyone who wants proven, quiet particle cleaning for a bedroom or living room without overspending. Its washable pre-filter, 1 year filter life, Eco Mode that stops the fan in clean air and 3 year warranty make it a low-hassle long-term purchase.

People dealing with formaldehyde, VOCs or NO2, or who want purification, heating and cooling from one tower. Its catalytic formaldehyde filter, on-board LCD readings and Matter plus HomeKit support are the reasons to pay the premium.