As of May 17, there are several brand-name air conditioners on sale on Amazon-including window air conditioners and portable air conditioners. ... As of April 1, Amazon's purifiers are off by $50, and the price of the large-space HEPA filter is $279.99.
After all, smart storage solutions do not appear in a vacuum. ... At $200, Trifo is much cheaper than Roombas or other products... It is equipped with a similar 90-minute runtime, Wi-Fi connection, and HEPA filter.