5 simple ways to tell if your dehumidifier is *actually* doing its job according to experts – and what to do if it's not

White modern design air purifier, dehumidifier, monstera plant tree on parquet floor in beige brown wallpaper wall empty room in sunlight from window.

If you've got a dehumidifier humming away in the background, but you're still battling condensation or your washing isn't drying as fast as usual, it's only natural to wonder whether it's actually doing anything at all.

I've tested some of the best dehumidifiers in my own home, and I've learned that when one is working properly, the signs are easy to spot when you know what to look for.