ESPHome

Design ventilation systems to maintain positive indoor pressure, preventing PM2.5 and outdoor pollutants from infiltrating through building envelope gaps during high AQI events.

Non-Intrusive Load Monitoring (NILM) analyzes the main meter waveform to identify per-appliance energy consumption without installing individual sensors on every device.

Monitor compressor vibration, power consumption anomaly, and filter dirtiness with Home Assistant to predict AC failure 2–4 weeks in advance — reducing emergency repair costs 50–70% in Thai smart homes.