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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ChinaNarwal is a Chinese robotics company that specialises in floor cleaning, best known for pioneering robot vacuums that wash and dry their own mop pads at the base station. Its catalog spans the Freo and Flow series of robot vacuum and mop combos plus cordless wet dry vacuums, all set up and controlled through the Narwal Freo app. The company says its products are sold in more than 30 countries and are backed by over 800 patents, and its robots work with Amazon Alexa and Google Home voice control.
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