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Sensor in Home Assistant

sensor part of Home Assistant since 0.7

Quality: Internal

The Sensor integration connects Home Assistant to physical sensors that measure environmental or device-specific data. It is used to monitor conditions like temperature, humidity, motion, and energy usage within a home automation setup.

Typical uses

  • Monitor temperature and humidity
  • Detect motion
  • Track energy consumption
  • Check device status

Facts about this integration

Compatible with Home Assistant
yes, official integration
Setup
in configuration.yaml
Kind
Entity type
Quality scale
Internal – Part of Home Assistant itself, not rated separately.
Installations
120,277 (16.7 % of the installations that share statistics)
Categories
Sensor
Maintained by
@home-assistant/core

Setup

  1. Nothing to install: this is part of Home Assistant and available as soon as it is running.

Blueprints that use this integration

  • Automation Sensor Light – Switches lights based on sensor inputs, schedules, and user-defined switches. Requires binary sensors, lights, and input booleans. ♥ 1,709 · Import · Forum
  • Automation Cover Control Automation (CCA) – Controls covers using input texts, selects, and sensors. Integrates with calendars and weather data for automated cover adjustments. ♥ 787 · Import · Forum
  • Automation NSPanel Configuration – Configures NSPanel devices with ESPhome, using weather and sensor data to trigger light notifications and controls. ♥ 626 · Import · Forum
  • Automation Appliance Notifications & Actions – Tracks appliance status with sensors and sends mobile app notifications, enabling input number and select adjustments. ♥ 488 · Import · Forum
  • Automation Bathroom Humidity Exhaust Fan – Activates bathroom exhaust fan based on humidity sensor readings and user-defined switches. ♥ 391 · Import · Forum
  • Automation Smart Light – Automates lights using sensors, switches, and scenes, with input booleans for manual control. ♥ 215 · Import · Forum

All blueprints for it

Known issues and fixes

5 open issues and 8 bug fixes in the last twelve months are recorded for Sensor in the Home Assistant issue tracker. If something does not work, update first: the most recent fix shipped with Home Assistant 2026.2.0.

Open

  • open Reported problem #168394 since April 16, 2026 · 3 reactions · 10 comments · #168394
  • open Reported problem #133588 since December 19, 2024 · 0 reactions · 14 comments · #133588
  • open Reported problem #189620 since October 30, 2026 · 0 reactions · 1 comment · #189620
  • open Reported problem #188457 since October 25, 2026 · 0 reactions · 1 comment · #188457
  • open Reported problem #188336 since October 24, 2026 · 0 reactions · 1 comment · #188336

Fixed

Source: the issue tracker of Home Assistant, as of November 2, 2026. The sentences are written by a language model from the titles of the issues; the reports themselves are on GitHub.

Check a specific device for known problems in the product check →

Source of this entry: the official documentation of the integration
The description was written by a language model from the facts listed here, not taken from the documentation.

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