home-assistant/home-assistant.io

Features

• Local-First Storage - Prioritizes local storage for all system states and historical data to eliminate reliance on cloud providers.
• Workflow Automations - Provides a comprehensive engine for building complex smart home routines using visual editors and dynamic logic.
• Home Automation - Acts as a self-hosted hub that integrates smart devices and executes automation logic locally to eliminate cloud dependencies.
• Hardware State Entities - Models physical hardware as stateful entities with attributes to decouple device logic from system automation.
• Smart Home and IoT - Functions as a central hub for managing and visualizing electricity, solar, gas, and water consumption.
• Geographic Zone Transitions - Triggers automated actions when a person or device enters or leaves a predefined geographic zone.
• Device Domain Organizations - Organizes entities and actions into functional domains to ensure consistent behavior across different hardware brands.
• External Data Parsing - Extracts specific fields from raw JSON or command-line responses to transform them into usable system states.
• Local Data Stores - Processes and stores all smart home data on local hardware to eliminate cloud dependencies.
• Sensor Data Aggregation - Home Assistant averages sensor values, converts units, and counts active entities to derive insights from raw data.
• Boolean Expression Evaluation - Evaluates boolean expressions within templates to decide if an automation sequence should proceed.
• Entity State Registries - Maintains a centralized registry of the current status and attributes of all system entities.
• Dynamic Templates - Uses logic-based templates to perform complex data conversions and conditional operations within scripts.
• Script Sequences - Triggers ordered lists of actions through scripts, dashboards, or voice commands to automate household functions.
• Automation Blueprints - Creates multiple functional scripts or automations from a single configurable template to reuse logic.
• Visual Logic Editors - Provides a dedicated editor interface for defining complex sequences of automation actions, conditions, and triggers.
• Template-Based Logic Engines - Uses a Jinja2-based logic engine to transform raw entity data into dynamic values for actions and notifications.
• Automation Blueprints - Offers reusable automation blueprints that allow complex logic to be shared and applied across various devices.
• Event-Based Triggers - Defines triggers, conditions, and actions to automatically respond to system events or state changes.
• Execution Filters - Evaluates conditional requirements after a trigger occurs to block actions if specific criteria are not met.
• Derived IoT Entities - Defines virtual sensors and switches whose states are computed from other existing entities using custom logic.
• Device Action Invocations - Triggers specific behaviors in devices by targeting unique identifiers with control parameters.
• Virtual Sensors - Calculates new sensor values by aggregating data from multiple existing entities using software logic.
• Geographic Zone Monitoring - Monitors whether entities are present within defined geographic zones to drive location-based automations.
• Event-Driven Automations - Launches automation sequences in response to hardware sensor state changes or device events.
• IoT Asset Hierarchies - Assigns devices and entities to specific areas and floors for structural management of the home.
• IoT Device Handlers - Wraps third-party hardware APIs into standardized logic to control diverse device brands through a single interface.
• Mobile Presence Synchronizations - Synchronizes system state with mobile apps to enable remote management and geolocation-based presence detection.
• Smart Home Control Interfaces - Constructs visual control interfaces using cards and layouts to monitor and manage smart home entities.
• Third-Party Hardware Integration - Wraps third-party hardware APIs into a standardized internal interface to provide unified device control.
• MQTT Messaging Integrations - Integrates with MQTT brokers to synchronize device states and trigger home automation workflows.
• System Action Execution - Executes concrete operations on the system, such as modifying device states or activating scenes.
• Automation Sequencing - Executes a sequence of actions and conditions in a specific order to perform complex home automation tasks.
• Domain Specific Templating Engines - Implements a powerful templating engine for dynamic logic and data transformation of device states and time.
• User Account Management - Home Assistant stores usernames and hashed passwords locally to control access and designate administrative ownership.
• Security and Access Control - Home Assistant controls sign-in credentials, multi-factor authentication, and access tokens through a dedicated security profile.
• User Access Management - Home Assistant assigns administrator or non-administrator roles to users to control who can modify system settings.
• User Account Management - Home Assistant updates personal passwords and controls active session tokens to secure individual accounts.
• Automated Device Discovery - Automatically scans the network to identify and register known hardware from various brands.
• Device Class Filters - Home Assistant selects groups of entities based on their predefined device class, such as temperature or motion.
• Event Bus Systems - Implements an internal event bus to decouple physical device changes from the triggering of automations.
• Device Grouping - Directs actions to specific entities, physical areas, or device IDs to control multiple components.
• Energy Management - Centralizes energy reporting by integrating data from solar inverters, utility meters, and energy monitors.
• Automation Variable Injection - Home Assistant uses template variables to modify actions or messages based on the trigger platform and state data.
• Conditional Logic Evaluation - Home Assistant performs boolean checks on values using a natural language syntax to determine if they meet criteria.
• State Expression Evaluation - Home Assistant calculates values or executes logic within text using specific delimiters to generate dynamic output.
• State Verification - Verifies if one or more entities match a specific state to determine if automation logic should proceed.
• Presence Tracking - Monitors the physical location and presence of persons to trigger home automations.
• Voice Interaction Management - Coordinates the full voice interaction loop including wake-word detection, speech recognition, and response synthesis for device control.
• Natural Language Device Control - Implements systems that translate human natural language into actionable commands for smart home devices.
• Voice Assistants - Provides a local system for processing spoken language to enable conversational interaction and hands-free control of home devices.
• Command Parsing - Processes spoken commands using pattern matching and wildcards to trigger specific home automation actions.
• Current Monitoring - Measures electrical current draw using transformer clamp sensors to track power consumption.
• IoT Entity Filters - Provides labels and filters to isolate subsets of smart home devices and automations.
• Presence and Location - Monitors the physical location and presence of users and devices using trackers and map-based zones.
• Hierarchical Location Mapping - Implements spatial organization that nests devices within floors and areas for bulk action targeting.
• Matter Standard Integrations - Implements integration logic for pairing Matter-certified devices using QR codes or manual entry.
• Attribute Selectors - Offers UI mechanisms for browsing and selecting available state attributes of specific entities.
• Custom Python Integration - Executes standard Python string and numeric methods within templates to transform data values.
• Data Transformation Filters - Modifies data by passing it through a chain of filters to convert types or format text.
• Entity Labels - Groups and filters entities based on custom assigned labels regardless of physical location.
• Datetime String Formatting - Home Assistant converts a date or time object into a custom string format for display purposes.
• Entity Selectors - Implements a finder interface to target specific entities, devices, or areas using filters.
• Entity Search & Indexing - Locates specific system entities or devices via a global search overlay.
• Long-Term Statistics Storage - Home Assistant records hourly aggregates of sensor data to maintain historical trends while purging short-term snapshots.
• Missing Value Imputation - Replaces unknown or unavailable sensor states with default values or alternative logic branches.
• Numeric Comparison Validators - Validates if an entity state or attribute falls above or below specified numeric thresholds.
• Shared Definition Importing - Enables loading specific macros or template files into configurations via import and include statements.
• State Timestamps - Records the exact time when entity states are updated to maintain a historical timeline.
• State Type Casting - Converts text-based sensor states into integers or floats using fallback values to prevent errors.
• String-to-Datetime Parsing - Home Assistant transforms a text string or UNIX timestamp into a formal datetime object using specified formats.
• Time Zone Management - Converts timestamps between local and UTC time zones to ensure accurate temporal comparisons.
• Entity Grouping - Allows merging multiple entities into a single representative group for unified control.
• State-Based Entity Counters - Filters entities by their current state to return a total count of matching items.
• Configuration File Validators - Checks configuration and automation files for syntax errors before applying changes to ensure system stability.
• Template Configuration Exposers - Exposes blueprint-defined parameters as variables for evaluation within dynamic automation templates.
• Real-Time Code Evaluation - Produces real-time messages or values by evaluating code snippets against current system data.
• Template Utility Macros - Home Assistant creates macros that return data types like numbers or lists to perform logic checks.
• Component-Based Date-Time Specifications - Offers standardized inputs for specifying dates, times of day, and durations.
• Date Difference Calculators - Calculates the duration between two datetime objects or generates human-readable time-since strings.
• Dynamic Action Resolution - Uses templates to dynamically determine which action to execute based on the current system state.
• Dynamic Value Inputs - Accepts templates in input fields to allow dynamic values based on entity states or calculations.
• Action Concurrency - Executes multiple automation actions simultaneously rather than sequentially.
• Blueprint Synchronization - Provides the ability to download and update automation templates from external URLs.
• Webhook Triggers - Provides HTTP endpoints that allow external services to trigger specific home automation sequences.
• Concurrency Policies - Defines how to handle new triggers when a previous instance of the same automation is still executing.
• Execution Simulation - Allows verifying entire automation flows by simulating trigger events to ensure actions execute correctly.
• Automation Action Testing - Provides tools to manually execute and verify individual automation steps and conditions in isolation.
• Blueprint De-parameterization - Enables converting a parameterized blueprint automation into a standard automation for manual overrides.
• Component Selectors - Provides specialized selectors for system components like backup locations and conversation agents within blueprints.
• Trigger State Management - Enables users to enable, disable, or toggle specific automation triggers to control system responses.
• Execution Flow Controls - Manages the execution flow of automations via stopping, looping, or branching based on conditional logic.
• Floor Management - Provides systems for defining and managing physical floor levels and zones within the home environment.
• State Inspection Tools - Home Assistant views the current state and attributes of all entities to verify data for triggers and conditions.
• Community Logic Imports - Maps community-authored automation logic to local devices to apply preconfigured routines.
• Configuration File Splitting - Supports distributing complex settings across multiple files using include statements to simplify configuration management.
• Public Base URL Configuration - Home Assistant defines the public internet address used by the system to coordinate remote connections.
• Template Variables - Assigns values to named identifiers for reuse throughout a dynamic template.
• Calendar Event Triggers - Triggers automations when calendar events start or end, including support for time offsets.
• Add-on Hosting - Provides capabilities for hosting supplemental software as add-ons within the automation ecosystem.
• MQTT Bridging - Bridges MQTT messages from IoT devices to trigger automated workflows and synchronize system states.
• Cover Actuators - Implements the hardware control logic required to operate blinds, shutters, and garage doors.
• Device State Presets - Captures current states of selected devices as named scenes to be restored as presets later.
• Device State Scenes - Applies predefined sets of device states to restore specific environment configurations.
• Gas Consumption Monitoring - Tracks and measures natural gas usage via hardware interfaces for home utility monitoring.
• Geolocation Triggers - Provides automation triggers based on the entry or exit of devices from predefined geographic zones.
• HVAC Control Systems - Provides logic for regulating heating and cooling systems based on thermostat and sensor inputs.
• Manual Automation Scripts - Enables users to manually trigger the action sequence of an automation, optionally bypassing conditions.
• Matter and BLE Gateway Controllers - Functions as a controller for pairing and managing smart home devices using the Matter standard for local interoperability.
• Appliance Energy Monitoring - Provides detailed monitoring of energy consumption for individual household appliances and smart plugs.
• Temporal Automation Constraints - Provides the ability to restrict automation actions to specific time windows or calendar days.
• Virtual Entities - Builds software-defined virtual entities to store states and perform calculations for dashboards.
• System Event Triggers - Triggers manual system events with custom data to communicate between scripts and integrations.
• Event Notifications - Home Assistant delivers messages and images to connected devices to alert users of specific events.
• Hardware Device Selectors - Identifies and targets hardware devices using filters such as model ID or integration type.
• Timestamp Formatters - Converts raw timestamps into human-readable date and time strings using custom format codes.
• Conditional Logic - Home Assistant evaluates a statement and executes specific text or actions only when the condition is true.
• Data Type Conversions - Home Assistant transforms values between text, integers, floats, and booleans using filters and fallback defaults.
• Datetime Manipulation Utilities - Home Assistant formats, compares, and performs calculations on timestamps to trigger time-sensitive logic.
• JSON Parsing - Converts JSON formatted text from sensors or payloads into accessible objects.
• Script Variable Management - Manages and overrides variables within automation sequences to provide dynamic data for templates.
• Nested Template Data Access - Retrieves specific values from lists using indices and from dictionaries using dot or bracket notation.
• Credential Isolation - Home Assistant replaces passwords and API keys in configuration files with identifiers that map to a secure file.
• Secure Remote Access - Home Assistant establishes secure external connectivity via cloud services, encrypted tunnels, or SSL certificates.
• Multi-Factor Authentication - Home Assistant requires a username and password for entry and uses multi-factor authentication to protect the system.
• Blueprint Input Configurations - Defines user-facing input fields and selectors for blueprints to capture specific entities or values.
• Template Macros - Allows the definition of custom, reusable template logic that can be shared across different configuration areas.
• Automation Execution Contexts - Provides special variables to reference an entity's own state or the trigger data that initiated an automation.
• Boolean Logic Combinators - Uses boolean logic combinators to evaluate multiple conditions before proceeding with an automation action.
• Dynamic Value Computations - Evaluates expressions to determine action data and notification content based on the current system state.
• Configuration Packages - Organizes related settings for specific rooms or functions into single configuration packages.
• Latching Logic - Maintains a state as true once a threshold is crossed until a separate clearing condition is met.
• Automation Schema Definitions - Provides a standardized schema for defining metadata and requirements for reusable automation blueprints.
• Automation Debugging - Visualizes the execution path and timing of automations through interactive graphs and logs for troubleshooting.
• Label-Based Targeting - Allows targeting groups of devices or entities for actions based on custom assigned labels.
• Backup and Restore - Recovers previous system states using external backups to restore account access and configurations.
• Configuration Backups - Creates and manages backups of local application configuration files for restoration or migration.
• Configuration Hot-Reloading - Enables applying changes to configuration files at runtime without requiring a full system restart.
• Safe Modes - Home Assistant starts the system without loading custom additions to isolate if a problem originates from core software.
• Electricity Meter Integrations - Interfaces with hardware electricity meters and provider APIs to track real-time power usage.
• Solar Production Forecasting - Predicts future solar energy generation based on weather data to drive automated home actions.
• Energy Flow Visualizations - Provides visual dashboards showing real-time energy movement between production, storage, and consumption.
• Energy Tariff Configurations - Defines time-of-use pricing structures to categorize energy usage and calculate costs across different tariffs.
• Power-to-Energy Converters - Converts real-time power measurements in Watts into total energy usage for accurate historical tracking.
• Home Battery Integrations - Monitors energy flow and state-of-charge data for residential battery storage systems.
• Solar Inverter Integrations - Ingests data from solar power inverters to monitor real-time energy production.
• Action Response Capturing - Captures output from executed actions into variables for use as input in subsequent automation steps.
• System Setting Configurations - Provides a configuration file for managing advanced system settings and integration parameters not available in the UI.
• Third-Party Application Management - Installs and manages third-party applications and automation engines to extend core system capabilities.
• Solar Event Triggers - Triggers automation actions based on local sunrise, sunset, or solar elevation angles.
• Template Logic Sandboxing - Tests dynamic logic and variables in a sandbox environment to verify output before deployment.
• Structured Configuration Editors - Provides single-line, multi-line, and structured YAML editors for entering complex data objects.
• List Iteration - Repeats a sequence of actions or text for every item found in a list.
• Dynamic Text Formatting - Home Assistant transforms raw data into human-readable sentences or summaries for user-facing interfaces.
• Visual Automation Editors - Provides a graphical user interface for designing automated workflows without writing code.
• Execution Error Captures - Controls whether an automation sequence halts or continues after an action encounters an error.
• State Validations - Verifies that an entity matches a specific state to prevent errors when entities are missing.

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