You could also use a decidedly low tech solution - putting UV bulbs in the way of air flow (like fans): https://www.cnet.com/home/smart-home/uv-light-and-the-co

You could also use a decidedly low tech solution - putting UV bulbs in the way of air flow (like fans): https://www.cnet.com/home/smart-home/uv-light-and-the-coronavirus-big-ass-fans-might-have-a-solution-haiku-uvc-covid-19/ https://www.cnet.com/home/smart-home/uv-light-and-the-corona...