We built this portable heater for the folks who actually get their hands dirty—engineers and technicians who need a serious blast of heat, but in a package that doesn’t take over the whole workspace. It’s a halogen quartz tube, designed to throw intense, focused heat exactly where you need it, especially when space is tight and you need that warmth to show up fast. Power, voltage, and the nitty-gritty It hits 2500W on either 230V or 400V, packing a serious punch into a small footprint. At just 300mm long, it concentrates all that heat into a tight spot—perfect for spot heating or warming up a process on the fly. That kind of wattage in a short tube means the temperature climbs quickly, which is great. But it also means you’ve got to treat the wiring and switchgear with respect. Wire it up with the right fusing and proper insulation so it can handle the current safely. What it’s made of—and why it matters Inside, the halogen element sits in a quartz envelope that can take the heat and keeps the output steady. The halogen chemistry helps keep the element clean, so you don’t get that blackening that dulls performance over time. And the R7s base? It’s a straightforward, tough connector that locks in fast and stays put, even with vibration. If you’re swapping out an old unit, this is a straight drop-in replacement—just pop it in without messing with the socket. Where it shines in real life Bring this heater into your home workshop, use it to warm small enclosures, or set it up for temporary drying jobs. It heats up fast, delivers consistent output, and the installation is simple. The trade-off is real, though: that concentrated heat needs proper clearance and a well-ventilated spot so nearby parts don’t cook. Give it breathing room, and it’ll do its job without fuss.