Verified Outcomes
Key Architectural Deliverables & Takeaways
- Complete local-first edge computing architecture operating with zero external cloud dependencies or subscription fees.
- Exact 1:1 mapping of all 35 architectural spaces cataloged in the core area and floor registry of Home Assistant OS.
- Real-time bi-directional telemetry with EG4 hybrid inverters, LiFePO4 BMS, and artesian cistern sensors.
- Automated climate and cross-ventilation triggers balancing natural Caribbean breezes with inverter air conditioning.
1. Architectural Philosophy: Zero Cloud, 100% Local Sovereignty
Modern residential "smart home" ecosystems overwhelmingly rely on third-party cloud servers (Amazon AWS, Google Cloud, Tuya). This introduces severe latency, subscription lock-in, external privacy surveillance, and total operational failure during telecommunication outages.
Our Dream Villa operates on Home Assistant OS (HAOS) deployed on high-reliability industrial hardware inside the telecom cabinet. All telemetry, state machines, and automation triggers execute locally on the local area network.
2. 35-Zone Area & Floor Registry Breakdown
The estate automation map matches the architectural room taxonomy 1:1 across 4 distinct levels:
home_assistant_registry:
floors:
- floor_id: "lv2_main_residence"
name: "Level 2: Main Residence"
area_count: 21
representative_areas: ["Living Room", "Dining Room", "Kitchen", "Pantry", "Primary Suite", "Home Office", "Salon", "Shop"]
- floor_id: "lv1_apartment"
name: "Level 1: Lower Suite"
area_count: 7
representative_areas: ["Private Entry", "Apartment Living", "Apartment Kitchen", "Apartment Bedroom", "Utility Mechanical"]
- floor_id: "lv3_roof"
name: "Level 3: Rooftop & Solar"
area_count: 3
representative_areas: ["Solar Array (16.5 kW)", "Blue Forest Solar Hot Water", "Observation Sky Deck"]
- floor_id: "perimeter"
name: "Perimeter & Grounds"
area_count: 4
representative_areas: ["Gated Main Entrance", "Dual EV Carport", "40+ Tree Fruit Orchard", "Artesian Well & Water Plant"]
3. High-Priority Automation Logic (YAML)
automation:
- alias: "Energy - Solar Overproduction EV Charging Headroom"
trigger:
- platform: numeric_state
entity_id: sensor.eg4_battery_state_of_charge
above: 90
- platform: numeric_state
entity_id: sensor.pv_solar_power_production
above: 8000
condition:
- condition: state
entity_id: binary_sensor.ev_vehicle_connected
state: "on"
action:
- service: switch.turn_on
entity_id: switch.ev_charging_station_48a
- service: notify.estate_admin
data:
title: "Solar Excess Detected"
message: "Battery at >90% and solar >8kW. EV Charging boosted to maximum 48 Amps free solar power."
- alias: "Hydrology - Artesian Well Low Reservoir Fill"
trigger:
- platform: numeric_state
entity_id: sensor.cistern_water_level_liters
below: 2500
condition:
- condition: numeric_state
entity_id: sensor.eg4_battery_state_of_charge
above: 40
action:
- service: switch.turn_on
entity_id: switch.artesian_well_submersible_pump
- service: notify.estate_admin
data:
title: "Artesian Pumping Cycle Active"
message: "Cistern below threshold. Pumping pristine deep artesian well water to reservoir."
4. Hardware Bus & RF Mesh Verification Checklist
- Zigbee 3.0 USB Coordinator plugged into USB 2.0 extension to avoid 2.4 GHz port noise.
- Verify routing mesh health across all 35 zones with Link Quality Index (LQI) > 120.
- Check RS-485 Modbus serial converter polling EG4 hybrid inverter registers every 2.0 seconds.
- Calibrate ultrasonic non-contact water level sensors inside main cistern tanks.
- Verify automated off-site encrypted backup snapshot uploaded to local NAS and secure cold storage.