
Getting Your Bathroom Heat Just Right
Let’s be honest: nobody likes that shivering feeling when you step out of a hot shower into a freezing bathroom. It ruins the whole vibe. But when it comes to picking an infrared heater, most people just guess the wattage, and that’s where things go wrong. If you go too big, you’re just throwing money away on your electric bill. Too small? You’ll still be shivering.
How much power do you actually need?
It really comes down to the size of your space. If you’ve got a tiny bathroom (under 4m²), a single 400W to 600W shortwave lamp usually does the trick. These are great because they don’t waste time heating up the air—they hit your skin and the surfaces around you instantly. For those medium-sized rooms (4-8m²), I’d suggest either two 600W units or one beefier 1200W array. And if you’re dealing with a huge luxury bath over 10m², you’ll want a distributed layout of 1500W or more. Otherwise, you’ll end up with “cold spots” where you’re still freezing in the corners.
Why the “IP66” thing actually matters
You’ll see “IP66” on the spec sheet. It sounds like boring tech-speak, but it’s actually the most important part. Bathrooms are brutal on electronics. Between the steam and the accidental splashes, moisture loves to find its way into the wiring. IP66 means the housing is sealed tight against dust and powerful jets of water. Without that rating, moisture seeps into the socket. Then, one day, it just pops—a short circuit or a burnt-out filament—and you’re back to shivering.
A few tips for the best experience
Shortwave heat is amazing because it’s instant. You flip a switch, and you feel it. But the second you turn it off, the heat vanishes. To keep things efficient, try wiring your heaters into a timer or a motion sensor. That way, the heat is there when you walk in, but it isn’t running all day while the room is empty. One last thing: watch your mounting height. If you put a powerful 1200W lamp too low in a small room, it’ll feel like a heat lamp at a buffet—scorching hot right under the light, but freezing at your feet. Give the heat some room to spread out.