Getting the Heat Right: A Simple Guide to Bathroom Infrared Lamps
When you’re picking out ceiling infrared lamps, it’s tempting to just grab the one with the biggest number on the box. But honestly? That’s usually a mistake. It’s more about finding a balance so you aren’t wasting electricity or, worse, standing there shivering because the heat isn’t reaching you. The Space Factor Think about the distance from your ceiling to the floor. Since shortwave infrared moves in a straight line, the size of your room changes everything. If you’ve got a tiny powder room (under 4m²), a single 400W to 600W lamp is usually plenty. But for those big primary bathrooms—the 8m² to 12m² kind—you’ll probably want a few lamps or one of the heavy-hitters over 800W. Here’s the thing: if you put too much power in a cramped space, the ceiling enclosure can get way too hot. You might even trigger the thermal cut-offs, which just shuts everything down. On the flip side, if you go too low, the heat just vanishes into the air before it ever hits your skin. The Technical Stuff (The “Gotchas”) Most of these units use quartz halogen tubes. The best part? They’re instant. You flip the switch and you feel the warmth immediately. But there is a catch. These lamps pull a huge spike of power the second they turn on. If you’re installing a bank of four 800W lamps, just double-check that your wiring and breakers can actually handle that hit. You don’t want to blow a fuse every time you want a warm bathroom. And a quick heads-up on the light. Higher wattage means a brighter glow. In a bathroom, that can be blinding—especially if you’re stepping out of the shower. We usually suggest going with lamps that have a special coating or a diffuser to keep the glare under control. It’s much nicer on the eyes. Making it Work Better If you want to get the most bang for your buck, it’s all about where you put them. Stick the lamps directly over the “dry zone” or right above the shower. Plus, if you use a zoned control system, you get way more flexibility. You can run just one lamp for a quick warm-up or crank all three for that deep, cozy heat. It stops the system from running at full blast when you only need a little bit of warmth in one corner. One last tip: keep an eye on your ventilation. If the air doesn’t move and heat builds up around the base, those high-wattage lamps won’t last nearly as long. Keep it breezy, and they’ll keep you warm.