All About ACs and Air Purifiers

If the recent heat and wildfires have taught us anything, it's the need to have cooler, cleaner air. Want to upgrade your window AC unit? Maybe you're thinking about buying a new air purifier. Tim Heffernan and Thom Dunn, writers at Wirecutter, discuss their favorite purifiers and HVAC (Heating, Ventilation, and Air Conditioning) products. Plus we take your calls. A Post-show note for listeners from Tim Heffernan: "[Air purifier filters] capture big dust and pet hair and can clog up quickly, reducing its effectiveness. For anyone here who owns an air purifier.. clean yours once a month!"