Published by Blueair on their own site and checked there, not copied from a directory.
Going quiet is the usual answer, not a no — chasing on a schedule is what gets a reply. Write the letter free, no account, or hand it over and we chase it under your name: missing refunds, disputed charges, unpaid rebates. You pay only when it works.
What we do about Blueair missing refunds · every verified support contact