How to Build Custom DIY Radiator Heat Reflectors (And Why Foil-Wrapped Cardboard Is a Risky Choice)
Stop wasting money on heating! Learn how to build safe, effective DIY radiator reflectors that actually work, without the fire risks of kitchen foil. We’ve all seen the viral DIY hack: wrap some cardboard in kitchen foil, slide it behind your radiator, and watch your heating bills plummet. It sounds perfect—it’s free, it’s fast, and…