Ever wonder why your "smart" thermostat needs to phone home every six minutes? In this episode, Chelsea Miller breaks down how to build a complete smart home energy management system that actually respects your privacy while cutting your power bill. After discovering her own devices were uploading granular occupancy data to cloud servers, she rebuilt her entire infrastructure around local control—and shares exactly which hardware, protocols, and automations work without external dependencies. If you're serious about energy efficiency but refuse to hand your usage patterns to data brokers, this checklist is your starting point.

• The Emporia Vue 2 measures 16 circuits with one-second sampling intervals, but you'll need to firewall its MAC address to prevent cloud sync—it attempts to phone home regardless of your settings.