How to actually pick the right wattage for your bathroom heater
Here is a common mistake: thinking that the most powerful heater is always the best choice. It’s not. If you just buy the biggest unit on the shelf, you’re probably just wasting money. The trick is matching the heat to the actual size of your room. Bathrooms are tricky because you’ve got cold tiles and steam that just soak up the warmth. You need to look at your square footage and how high your ceilings are before you buy. Getting the power right For most medium-sized bathrooms—maybe around 6 to 10 square meters—a 1500W unit usually does the trick. It hits that sweet spot. But imagine putting a 1500W lamp in a tiny powder room. You’ll practically bake yourself, and your electric bill will show it. On the flip side, if you try to warm up a massive master bath with a tiny 500W lamp, you won’t feel a thing. The cold walls will win every time. And don’t forget about your ceilings. If they’re high, the heat has a longer trip to make. By the time those infrared waves reach you, they’ve lost their punch. In those cases, you’re better off with a higher wattage or a couple of smaller heaters spread out to keep things even. The trade-offs Higher wattage means you feel the heat faster. It’s almost instant. But there’s a catch. More power means a heavier pull on your electricity. You’ll want to make sure your wiring and breakers can actually handle it, or you’ll be spending your morning flipping switches in the garage. We stick with short-wave infrared for this. Why? Because it cuts right through the steam. Even when the room is thick with fog from a hot shower, you feel that warmth hitting your skin immediately. It’s a great feeling. Saving a bit of cash If you want to keep your bills down, don’t just install one giant heater and leave it running. Try splitting the room into smaller zones. Throw in a motion sensor or a simple timer so the heater isn’t running for an empty room. Match the power to the spot where you actually stand. It’s a simple tweak, but it makes a huge difference in the long run.