400V Halogen Heater for the Garage Workshop: Specs, Physics, and Installation
We built this garage workshop heater for one simple reason: to give you intense, focused heat right where you need it. No more wasting energy heating the whole bay. Just warmth where you’re working.
Power, Voltage, and Size—Why It Works
We chose a 400V supply because it delivers serious wattage—think around 2500W—without pushing your wiring to the limit. That means smaller cables and a contactor that doesn’t need to be huge. And the 300mm tube? That’s intentional. It creates a tight, directional heat pattern that you can aim straight at your work area or a machine surface. It packs a lot of heat into a small space, so just remember: the fixture and mounting hardware need to be ready for some serious heat too.
The Tube, the Gas, and the Base
The tube is quartz, plain and simple. It can handle the extreme heat from the filament inside and lets infrared pass through with no problem. Inside, halogen gas does its magic—slowing down filament evaporation so it lasts longer, and letting it run hotter for steady output. That coating on the tube? Not just for looks. It helps control the type of light and heat coming out, and keeps the surface cooler. That means safer clearances and a happier reflector that won’t overheat. And the R7s base? It’s the no-nonsense connector for linear halogen lamps. It locks in place, lines up perfectly, and handles the full load without needing extra adapters.
Heat That Works as Hard as You Do
In a workshop, you need heat that can take a beating—vibration, dust, and constant on-off cycles. This heater delivers radiant heat instantly, with almost no warm-up time. Point it at a cold metal piece, warm up some lubricant, or focus on a small work area—whatever you need, you get results fast. Installation is straightforward. Wire it to 400V with the right fusing and thermal protection, mount the fixture with enough airflow and clearance, and you’ve got a tough, focused heat source that’s ready to get down and dirty.