
Introduction
We built this small room heater for one simple reason: to give you intense, focused heat in a tiny footprint. It’s not meant to warm a whole building. It’s for those spots where you need serious heat right now, and a standard convection heater just can’t keep up. The heart of it is a 300mm halogen quartz tube, packing 2500W at 400V and wired for an R7s base. It’s all about delivering a blast of radiant heat exactly where you need it.
Getting Under the Hood
Here’s the thing about the 400V, 2500W setup. We chose it to squeeze maximum heat out of a short tube. That high watt density is what gives you a lightning-fast heat-up and lets the unit respond almost instantly when you adjust the temperature. This isn’t your everyday, all-purpose heater. It’s a surgical tool for heat. So, you’ll want to plan your wiring and controls with that in mind. The power is serious, so make sure your power supply is properly rated and give the unit plenty of breathing room.
What It’s Made Of
The halogen tech is key. It keeps the quartz envelope running hot, which keeps the filament temperature steady. The result? Consistent heat output that doesn’t fade over the life of the lamp. Quartz was the obvious choice over regular glass because it can handle sudden temperature shifts without cracking. And the halogen cycle prevents the tube from blackening, which would rob you of output. The R7s connector is a no-brainer, too. It locks in securely, stays perfectly aligned, and is easy to service. You wire it up once, and it stays put—even if your equipment is constantly vibrating.
Where It Shines
Picture this: you’ve got a small room or a machine enclosure. You need heat focused on one spot, not wasted on everything around it. This heater throws directional radiant heat, so your target warms up fast while the surrounding equipment stays cool. It’s a perfect, drop-in replacement for any existing fixtures that were designed for R7s and 300mm tubes. Just one heads-up. Because the heat is so concentrated, you need to make sure you have proper ventilation and a plan to manage the temperature. That way, you can keep nearby components from getting too hot.