How to pick the right infrared heater for your bathroom
Let’s be honest: there is nothing worse than stepping out of a hot shower into a freezing cold bathroom. It’s a shock to the system. The trick to fixing this is getting the wattage right. Now, keep in mind that infrared heaters aren’t like those old-school space heaters that try to warm up all the air in the room. These heat you and the surfaces around you directly. It’s an instant, cozy feeling. But if you go too low on the power, you’ll still be shivering. Go too high, and you’re just throwing money away on your electric bill—or worse, overheating the unit.
Finding your sweet spot
If you’ve got a tiny bathroom (under 4m²), you don’t need a beast of a machine. A single 250W to 400W lamp usually does the trick. It’s plenty of heat for a small space without stressing out your electrical circuit. For those medium-sized bathrooms (between 4m² and 8m²), you’ll want to bump that up to 600W or 800W. Now, if you have one of those big, luxury bathrooms over 10m², here is a pro tip: don’t just buy one massive 1200W heater. That usually creates one “scorching” spot while the rest of the room stays chilly. Instead, go with a few smaller lamps—maybe three 400W units. It spreads the warmth around the whole floor, so you feel the heat no matter where you’re standing.
The deal with IP65 and steam
Bathrooms are tough on electronics. Between the steam and the occasional splash, water is the enemy. That’s why we use an IP65 rating. In plain English? It means the heater is sealed tight against dust and water jets. We’ve locked down the connections so you don’t have to worry about a short circuit while you’re scrubbing your toes. But there is a catch. Because the housing is so tightly sealed to keep water out, heat can get trapped inside the wiring. If you try to cram a super high-wattage lamp into a tiny, sealed box, you might fry the socket or wear out the insulation. It’s why matching the right lamp to the right housing is so important. It keeps the heater living a long, healthy life.
Saving a bit of cash
Want to keep your energy bill down? Don’t just buy a giant heater and hope a thermostat saves you. The smartest move is to pick the exact wattage your room needs. I always recommend short-wave infrared. It warms up almost instantly. You turn it on, get warm immediately, and then flick it off the second you’re dressed. No wasted energy, no waiting around. Just warmth when you actually want it.