{
  "name": "HVAC Calculation - Professional Engineering Tools",
  "short_name": "HVAC Calc",
  "description": "Professional HVAC and refrigeration engineering calculators",
  "icons": [
    {
      "src": "/favicon.svg",
      "sizes": "any",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    },
    {
      "src": "/favicon.ico",
      "sizes": "32x32",
      "type": "image/x-icon"
    }
  ],
  "start_url": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#3B82F6"
}