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🌡️ Smart Thermostat Controller Blueprint
An intelligent Home Assistant automation that manages your heating based on multiple conditions for optimal comfort and energy efficiency.
✨ Features
🪟 Window/Door Detection
Automatically turns off heating when windows or doors are opened, preventing energy waste. Configurable delay to avoid false triggers.
🌤️ Weather-Based Control
Monitors outdoor temperature and disables heating when it's warm enough outside. Includes adjustable winter mode threshold and delay settings.
📅 Schedule-Based Temperature Control
Uses a schedule helper or calendar to set different temperatures for:
- ☀️ Day Mode - Higher comfort temperature during active hours
- 🌙 Night Mode - Lower temperature for sleeping or away periods
🏖️ Holiday/Away Mode
Integrates with a calendar to automatically reduce heating when you're away. Smart pre-heating starts before you return home (configurable offset).
🔄 Multi-Thermostat Sync
Manual adjustment of any thermostat instantly syncs all others to the same temperature, giving you quick override control.
🎯 Priority-Based Logic
- Manual adjustments (highest priority)
- Windows/doors open → heating OFF
- Too warm outside → heating OFF
- Away mode → reduced temperature
- Day/night schedule → comfort temperatures
🛠️ Requirements
- Window/door sensor(s) (binary_sensor)
- Outdoor temperature sensor
- Climate entity (thermostat)
- Schedule helper OR calendar for day/night timing
- Calendar for away/holiday periods
📊 Smart Logging
All mode changes are logged to your Home Assistant logbook for easy monitoring and debugging.
Acknowledgement and background
I tried different Home Assistant add-ons and integrations, but wasn't really satisfied in controlling room temperature in our house. The heating is based on central heating and radiators with different Zigbee-based termostats.
This blueprint for HA was initially inspired by ha-smarter-thermostat by muratcesmecioglu, but deviated through extending to also include an away calendar and a manual overwrite mode to allow manual inputs on the thermostats. Logic coding was assisted by claude.ai.