After testing these brushes on my AC unit, fridge coils, and even baseboard heaters, I can confidently say they’re a game-changer for DIY cleaning. The stiff yet flexible bristles effortlessly pull out dirt without damaging delicate fins—no more pushing debris deeper!

The compact size (7” long) is perfect for tight spaces, and the hole in the handle makes storage a breeze. I hung mine on a hook near my utility closet. Pro tip: They’re also fantastic for chainsaw chips and vacuum filters—way more versatile than advertised.

One gripe? The handles could be sturdier. While they don’t ‘flop over’ like cheaper versions, they do bend slightly under pressure. Not a dealbreaker though—I just adjust my grip. For under $10 for 4 brushes, this is a steal compared to professional coil cleaning services.

Verdict: 4.5/5 stars. Essential for homeowners who maintain their own appliances. Keep one in your garage, basement, and toolkit—you’ll reach for them constantly!