Stop the Steam: Picking the Right Heater for Your Bathroom Mirror
Ever step out of a steaming hot shower and realize you can’t see a thing in the mirror? It’s annoying. You end up wiping it with a towel, leaving streaks everywhere. That’s where infrared (IR) lamps come in. They basically keep the glass warm enough so the moisture never even has a chance to settle. But here’s the trick: you have to get the power right. If you go too low on the wattage, you’re still staring at a foggy blur. Go too high? You’re wasting electricity, or worse, you could actually crack the glass. Finding the Sweet Spot It mostly comes down to how much glass you’re dealing with. If you’ve got a small vanity mirror—you know, the standard 50x70cm size—a little 150W to 250W lamp usually does the trick. But if you’ve got one of those massive full-length mirrors or a double-sink setup, you’ll need more muscle. Think 400W or even 600W. More power means the mirror heats up faster. It’s great because you aren’t waiting around, but just keep an eye on your circuit load so you don’t pop a breaker. The Gear That Actually Works Most of these setups use quartz halogen tubes. I like them because they hit their top temperature almost instantly. No waiting. You’ll probably see R7s connectors. These are just simple snap-in plugs. It’s a lifesaver because when a tube eventually burns out, you can just pop a new one in without having to tear the whole fixture off the wall. One pro tip: if your bathroom stays really humid, go for coated quartz. It stops the glass from pitting and keeps the lamp looking new for longer. A Few Things to Watch Out For More wattage isn’t always “better.” If you shove a 600W lamp into a tiny, cramped housing with no airflow, that heat has nowhere to go. It just soaks back into the fixture. I’ve seen this melt plastic mounts or trip thermal fuses. Make sure your housing can actually handle the heat the lamp is putting out. And please, don’t cheap out on the wiring. Use heat-resistant cables. Standard PVC insulation will basically fry and degrade the moment it touches a hot IR tube. Not a great combination for a bathroom.