IP65 outdoor garden heater

Mon, 20 Jul 2026 10:00:44 +0800

Why we put our bathroom heaters through a “humidity torture test”

Bathrooms are honestly a nightmare for electronics. Between the thick steam, the constant temperature swings, and the sheer amount of moisture in the air, it’s a recipe for disaster. Most companies just slap an IP65 rating on their lamps and call it a day. We don’t. We put every single batch through damp-heat aging tests because we’ve seen what happens when seals fail after a month of real-world use. It’s not pretty. The problem with “waterproof” Here’s the thing: an IP65 rating is great, but it isn’t a magic shield. Steam is sneaky. It finds microscopic gaps in the housing that liquid water can’t. Once that moisture sneaks inside and hits the circuitry or the quartz tube terminals, you get oxidation. Then comes the arcing. Or, more likely, the whole thing just burns out. To stop that, we use aging chambers. We basically simulate years of bathroom humidity in a few weeks. We crank the heat and moisture up and down, forcing the materials to expand and contract. If a seal is even slightly weak, it’ll leak right then and there. Better it happens in our lab than in your ceiling. Dealing with the heat Infrared lamps get incredibly hot. When you mix that intense heat with a damp room, you get what we call thermal shock. We spend a lot of time watching how the insulation holds up and checking the wiring connectors for any sign of corrosion. If those contact points oxidize, the resistance goes up. And when resistance climbs, your lamp doesn’t hit the wattage it’s supposed to. You end up with a heater that’s just… lukewarm. The trade-off There is a catch, though. To keep the moisture out, we have to seal the unit tight. But a tight seal means less airflow. Because the box is closed up, heat builds up inside the chassis way faster than it would in an open-air heater. This is why we tell you to leave enough clearance around the installation site. If it’s too cramped, the internal thermal fuse might trip during a long shower. We’ve picked components that can handle this “heat soak,” but physics is physics—a sealed box stays hot.

Garden on The Patio IR Specialist

IP65 outdoor garden heater

Why we put our bathroom heaters through a “humidity torture test”