Smart People Stick Urgo Patches on Their Air Conditioners — Here’s Why You’ll Want to Try It Too

At first glance, it sounds bizarre: people sticking Urgo patches — typically used for minor wounds or blisters — onto their air conditioners. But dig a little deeper, and it turns out this clever household hack is rooted in practicality, science, and even a bit of creativity.

Here’s what smart homeowners have discovered — and why you might want to try it too.