
Keeping Your Bathroom Infrared Heaters Safe (and Dry)
Putting infrared heaters in a bathroom sounds great until you remember that bathrooms are basically steam rooms. Between the shower spray and the thick fog, you’ve got water everywhere. And as we all know, water and electricity are a nightmare pairing. If you want to avoid a short circuit, you have to obsess over two things: the housing and the connections. Keeping the water out Water finds a way. It doesn’t just pour in; it “climbs” through tiny gaps—something called capillary action. To stop this, we don’t just slap some tape on it. We use heavy-duty silicone gaskets and enclosures that are actually rated for wet zones. But here’s the trick: the materials have to handle the heat. If you use cheap plastic, it’ll crack after a few weeks of heating up and cooling down. Once you have a hairline fracture, you’ve basically built a straw that sucks moisture right into the wiring. We stick to heat-resistant polymers that stay solid, no matter how many times you flip the switch. The danger zone: The connections The spot where the wires meet the lamp is usually the weakest link. To keep things safe, we use ceramic insulators at the base. This creates a physical wall between the live current and the metal frame. Even when the air is so thick with steam you can barely see your hand, that gap stays secure. And look, no matter how good the build is, you still need a safety net. Always wire these into a system with an RCD (Residual Current Device). If something does go wrong, the RCD kills the power in a fraction of a second. It’s the difference between a tripped breaker and a disaster. The balancing act Here is the tricky part. You want a tight seal to keep water out, but if you seal it too tight, the electronics can’t breathe. They start to cook themselves. It’s a constant tug-of-war between waterproofing and airflow. To solve this, we usually move the power supply away from the “splash zone” entirely. Keep the heavy-duty electrical guts in a dry spot and only leave the sealed lamp head in the humidity. It’s a much simpler way to keep the high-voltage stuff away from the steam.