You know that heavy feeling when you walk outside in July, right, but you definitely shouldn’t feel that same swampy air inside your bathroom after a shower. That exhaust fan overhead is your only line of defense against mold, yet so many of the ones I see are older than the tile on the walls. If flipping the switch sounds like you just started a lawnmower, that’s not just an annoyance; it’s a seized motor fighting against years of dust and friction, creating heat where you really don’t want it.

The other big issue isn’t the noise, but where that moisture is actually going. Too many older homes around here have fans that just dump humid air straight into the attic insulation rather than ducting it through the roof or soffit. That essentially creates a rainforest directly above your ceiling, rotting out your rafters and turning your insulation into a wet sponge. You want that steam exiting the house completely, otherwise, you’re just moving the water damage from the bathroom to the structure of the home.

Next time you’re up on a ladder changing a bulb, take a second to pull that plastic cover down and look at the motor assembly. If it’s caked in grey fuzz or looks scorched, it’s time to swap it out before the real summer heat kicks in. It’s an easy thing to ignore until it fails, but keeping that airflow moving correctly is the best way to keep your home dry and safe.

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