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💡 Energy Efficiency Explained

Interactive 3D house cutaway showing heat-flow particles leaking through walls, windows and roof — adjust insulation, window quality, thermostat and outdoor temperature to see the cost in real time.

Energy & Thermodynamics3DEasy60 FPS

⚙ Under the hood

Peer into a 3D house cutaway where glowing heat particles leak through roof, walls and windows at rates set by insulation quality, thermostat setpoint and outdoor temperature.

Three.jsEnergyBuilding ScienceHeat Transfer

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install