Putting an infrared heater in a bathroom is a bit of a gamble. Between the steam and the occasional splash, it’s basically a playground for electrical shorts and rusted circuits. That’s why we built our mirror heaters differently. We wanted something that wouldn’t just survive a steamy shower, but actually keep working without a hitch. Keeping the water out Here’s the thing: bathrooms are brutal on electronics. Moisture gets everywhere, and once it hits a terminal, it’s game over. To stop that from happening, we tucked everything inside a sealed, splash-proof housing. It’s designed to push water away from the guts of the machine and keep it moving down the wall instead of into the wiring. Then there’s the mirror itself. We’ve added a hydrophobic coating to the glass so condensation just slides off. Without it, your mirror fogs up, which doesn’t just look bad—it actually blocks the heat from reaching you. With the coating, the warmth hits you instantly. No fog, no fuss. Built to last Inside, we use high-wattage quartz tubes. These things are beasts. They can go from ice-cold to scorching in a few seconds, over and over again. Most cheap heaters fail at the joint where the glass meets the metal cap—they just crack under the pressure of the heat. We swapped those out for high-temp gaskets that don’t shrink or snap. It’s a small detail, but it’s the difference between a heater that lasts a season and one that lasts years. The one catch I’ll be honest with you: making something truly waterproof takes a bit more material. Because of the reinforced casing, these units are a little bulkier and heavier than a heater you’d put in a bedroom. Just make sure your wall brackets are sturdy enough to handle the extra weight. It’s a fair trade-off. You get a heater that can take a beating in a high-steam environment and still leave you feeling warm and cozy every single morning.