When you’re trying to cram high-performance heating into a mobile glass repair bracket, you’re basically fighting for every single millimeter. It’s a tight squeeze. You’ve only got so much voltage to work with and almost no room to move. To get the heat you actually need without frying your circuits or melting the chassis, we lean on medium wave infrared (MWIR) lamps. The power struggle Here’s the thing: in a mobile rig, you can’t just plug in a massive power supply and call it a day. We have to be smart about how we spec these lamps to get the most wattage out of a very small voltage window. I like medium wave emitters because they hit a sweet spot. They penetrate deeper than long-wave heat, but they aren’t as aggressive as short-wave. It means the adhesive or sealant gets hot enough to move, but you aren’t “shocking” the glass surface. But be careful. If you push too much wattage into a tiny housing, you’ll burn out the lamp ends. It’s all a balancing act between the length of the tube and how much current you’re pulling. Dealing with the heat We use quartz envelopes to handle the intense heat flux. To keep things slim, we strip away the bulky housings and use direct-mount connectors. But there’s a catch. When you shrink everything down, you run into a “heat soak” problem. Since the lamp is packed so tight against the bracket, that heat starts radiating back into the frame. If you don’t use heat-resistant mounts or some aluminum heat sinks, your bracket is going to warp during a long cycle. And nobody wants that. Putting it to work These lamps are great because they just drop right in to replace those clunky old heating elements. They let you get the rig much closer to the glass, which means you aren’t wasting heat on the open air. In my experience, the magic happens when the lamp is about 50-100mm from the target. Just one last tip: since you’re packing a lot of power into a small space, make sure your wiring is rated for the peak current. If you don’t, you’ll get voltage drops, and your heating speed will tank.