Brands · Head to head

Coway vs Nabu Casa

Comparing both brands side by side, ratings, catalog size and every product, so you can see which fits your smart home better.

Updated April 2026
Coway logo
CowaySouth Korea flagSouth Korea
4.6/5
Average rating

Coway is a South Korean home appliance manufacturer based in Seoul, best known outside Korea for its Airmega air purifiers, along with water purifiers and bidets. Its purifiers pair a washable pre-filter with activated carbon and True HEPA media, report air quality through a coloured indicator ring and the IoCare app, and support Amazon Alexa and Google Home. Most Airmega models are AHAM Verifide and Energy Star certified.

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VS
4.6/5
Average rating

Nabu Casa is the company founded by the creator of Home Assistant, the popular open-source home automation platform. It funds Home Assistant development and offers Home Assistant Cloud for easy remote access and voice assistant integration, plus hardware like Home Assistant Green and the Voice Preview Edition. Nabu Casa is central to the privacy-focused, locally controlled smart home community.

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