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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United StatesLiftMaster is the professional grade brand of Chamberlain Group, the Illinois company that also owns the Chamberlain consumer line, and its garage door openers, gate operators and commercial door systems are sold through authorised dealers and installers rather than retail shelves. Its products are built around the myQ platform, which adds Wi-Fi control, activity history, scheduled closing and, on newer models, built-in video to the garage. LiftMaster openers use the Security+ 2.0 rolling code radio and support Amazon Key in-garage delivery.
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