diff --git a/CODEOWNERS b/CODEOWNERS
index b5138c0612..3fe111b628 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -568,7 +568,7 @@ esphome/components/tca9555/* @mobrembski
 esphome/components/tcl112/* @glmnet
 esphome/components/tcp_uart/* @Bascht74
 esphome/components/tee501/* @Stock-M
-esphome/components/teleinfo/* @0hax
+esphome/components/teleinfo/* @0hax @FredM67
 esphome/components/tem3200/* @bakerkj
 esphome/components/template/alarm_control_panel/* @grahambrown11 @hwstar
 esphome/components/template/datetime/* @rfdarter
diff --git a/esphome/components/teleinfo/__init__.py b/esphome/components/teleinfo/__init__.py
index 67aad11d0f..5a6a01f669 100644
--- a/esphome/components/teleinfo/__init__.py
+++ b/esphome/components/teleinfo/__init__.py
@@ -4,7 +4,8 @@ import esphome.config_validation as cv
 from esphome.const import CONF_ID
 from esphome.types import ConfigType
 
-CODEOWNERS = ["@0hax"]
+CODEOWNERS = ["@0hax", "@FredM67"]
+DOMAIN = "teleinfo"
 MULTI_CONF = True
 
 teleinfo_ns = cg.esphome_ns.namespace("teleinfo")
diff --git a/esphome/components/teleinfo/sensor/__init__.py b/esphome/components/teleinfo/sensor/__init__.py
index b51d4cb795..6a23836c8a 100644
--- a/esphome/components/teleinfo/sensor/__init__.py
+++ b/esphome/components/teleinfo/sensor/__init__.py
@@ -1,10 +1,32 @@
 import esphome.codegen as cg
 from esphome.components import sensor
+import esphome.config_validation as cv
 from esphome.const import (
+    CONF_DEVICE_CLASS,
+    CONF_ICON,
     CONF_ID,
+    CONF_STATE_CLASS,
+    CONF_UNIT_OF_MEASUREMENT,
+    DEVICE_CLASS_APPARENT_POWER,
+    DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
+    DEVICE_CLASS_POWER,
+    DEVICE_CLASS_REACTIVE_ENERGY,
+    DEVICE_CLASS_VOLTAGE,
     ICON_FLASH,
+    STATE_CLASS_MEASUREMENT,
     STATE_CLASS_TOTAL_INCREASING,
+    UNIT_AMPERE,
+    UNIT_KILOVOLT_AMPS,
+    UNIT_KILOVOLT_AMPS_REACTIVE_HOURS,
+    UNIT_KILOWATT,
+    UNIT_KILOWATT_HOURS,
+    UNIT_MILLIAMP,
+    UNIT_MILLIVOLT,
+    UNIT_VOLT,
+    UNIT_VOLT_AMPS,
+    UNIT_VOLT_AMPS_REACTIVE_HOURS,
+    UNIT_WATT,
     UNIT_WATT_HOURS,
 )
 from esphome.types import ConfigType
@@ -13,19 +35,125 @@ from .. import CONF_TAG_NAME, CONF_TELEINFO_ID, TELEINFO_LISTENER_SCHEMA, telein
 
 TeleInfoSensor = teleinfo_ns.class_("TeleInfoSensor", sensor.Sensor, cg.Component)
 
-CONFIG_SCHEMA = sensor.sensor_schema(
-    TeleInfoSensor,
-    unit_of_measurement=UNIT_WATT_HOURS,
-    icon=ICON_FLASH,
-    accuracy_decimals=0,
-    device_class=DEVICE_CLASS_ENERGY,
-    state_class=STATE_CLASS_TOTAL_INCREASING,
-).extend(TELEINFO_LISTENER_SCHEMA)
+
+def _preset(unit: str, device_class: str, state_class: str) -> dict[str, str]:
+    return {
+        CONF_UNIT_OF_MEASUREMENT: unit,
+        CONF_DEVICE_CLASS: device_class,
+        CONF_STATE_CLASS: state_class,
+    }
+
+
+_ENERGY = _preset(UNIT_WATT_HOURS, DEVICE_CLASS_ENERGY, STATE_CLASS_TOTAL_INCREASING)
+_REACTIVE_ENERGY = _preset(
+    UNIT_VOLT_AMPS_REACTIVE_HOURS,
+    DEVICE_CLASS_REACTIVE_ENERGY,
+    STATE_CLASS_TOTAL_INCREASING,
+)
+_CURRENT = _preset(UNIT_AMPERE, DEVICE_CLASS_CURRENT, STATE_CLASS_MEASUREMENT)
+_VOLTAGE = _preset(UNIT_VOLT, DEVICE_CLASS_VOLTAGE, STATE_CLASS_MEASUREMENT)
+_APPARENT_POWER_VA = _preset(
+    UNIT_VOLT_AMPS, DEVICE_CLASS_APPARENT_POWER, STATE_CLASS_MEASUREMENT
+)
+_APPARENT_POWER_KVA = _preset(
+    UNIT_KILOVOLT_AMPS, DEVICE_CLASS_APPARENT_POWER, STATE_CLASS_MEASUREMENT
+)
+_POWER = _preset(UNIT_WATT, DEVICE_CLASS_POWER, STATE_CLASS_MEASUREMENT)
+
+# Legacy defaults, kept for tags without a known preset
+_LEGACY_DEFAULT = {**_ENERGY, CONF_ICON: ICON_FLASH}
+
+# Units that are valid for each device class, used to decide whether a preset's
+# device class can be kept when the user overrides the unit (and vice versa)
+_COMPATIBLE_UNITS = {
+    DEVICE_CLASS_ENERGY: {UNIT_WATT_HOURS, UNIT_KILOWATT_HOURS},
+    DEVICE_CLASS_REACTIVE_ENERGY: {
+        UNIT_VOLT_AMPS_REACTIVE_HOURS,
+        UNIT_KILOVOLT_AMPS_REACTIVE_HOURS,
+    },
+    DEVICE_CLASS_CURRENT: {UNIT_AMPERE, UNIT_MILLIAMP},
+    DEVICE_CLASS_VOLTAGE: {UNIT_VOLT, UNIT_MILLIVOLT},
+    DEVICE_CLASS_APPARENT_POWER: {UNIT_VOLT_AMPS, UNIT_KILOVOLT_AMPS},
+    DEVICE_CLASS_POWER: {UNIT_WATT, UNIT_KILOWATT},
+}
+
+# Presets by tag prefix. No prefix is a prefix of another, so order is irrelevant.
+TIC_TAG_CONFIGS = {
+    # Standard mode
+    "EA": _ENERGY,
+    "ER": _REACTIVE_ENERGY,
+    "IRMS": _CURRENT,
+    "URMS": _VOLTAGE,
+    "UMOY": _VOLTAGE,
+    "SINST": _APPARENT_POWER_VA,
+    "SMAX": _APPARENT_POWER_VA,
+    "CC": _POWER,
+    "PREF": _APPARENT_POWER_KVA,
+    "PCOUP": _APPARENT_POWER_KVA,
+    # Historical mode
+    "BASE": _ENERGY,
+    "HCH": _ENERGY,
+    "EJP": _ENERGY,
+    "BBRH": _ENERGY,
+    "IINST": _CURRENT,
+    "IMAX": _CURRENT,
+    "ISOUSC": _CURRENT,
+    "ADPS": _CURRENT,
+    "ADIR": _CURRENT,
+    "PAPP": _APPARENT_POWER_VA,
+    "PMAX": _POWER,
+}
+
+
+def apply_tag_config(config: ConfigType) -> ConfigType:
+    """Apply preset configurations based on the tag name.
+
+    Only keys not set by the user are filled in. For known tags, a preset unit or
+    device class is dropped if it is incompatible with the one set by the user.
+    Unknown tags get the legacy defaults, merged key by key as before.
+    """
+    if CONF_TAG_NAME not in config:
+        return config
+
+    # Runs before cv.string, so the raw value may not be a string yet
+    tag_name = str(config[CONF_TAG_NAME])
+    preset = next(
+        (p for prefix, p in TIC_TAG_CONFIGS.items() if tag_name.startswith(prefix)),
+        None,
+    )
+
+    config = dict(config)
+    if preset is None:
+        for key, value in _LEGACY_DEFAULT.items():
+            config.setdefault(key, value)
+        return config
+
+    unit = config.get(CONF_UNIT_OF_MEASUREMENT, preset[CONF_UNIT_OF_MEASUREMENT])
+    device_class = config.get(CONF_DEVICE_CLASS, preset[CONF_DEVICE_CLASS])
+    compatible = unit in _COMPATIBLE_UNITS.get(device_class, ())
+
+    for key, value in preset.items():
+        if key in config:
+            continue
+        if key in (CONF_UNIT_OF_MEASUREMENT, CONF_DEVICE_CLASS) and not compatible:
+            continue
+        config[key] = value
+    return config
+
+
+CONFIG_SCHEMA = cv.All(
+    apply_tag_config,
+    sensor.sensor_schema(
+        TeleInfoSensor,
+        accuracy_decimals=0,
+    ).extend(TELEINFO_LISTENER_SCHEMA),
+)
 
 
 async def to_code(config: ConfigType) -> None:
     var = cg.new_Pvariable(config[CONF_ID], config[CONF_TAG_NAME])
     await cg.register_component(var, config)
     await sensor.register_sensor(var, config)
+
     teleinfo = await cg.get_variable(config[CONF_TELEINFO_ID])
     cg.add(teleinfo.register_teleinfo_listener(var))
diff --git a/tests/component_tests/teleinfo/__init__.py b/tests/component_tests/teleinfo/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/tests/component_tests/teleinfo/test_sensor.py b/tests/component_tests/teleinfo/test_sensor.py
new file mode 100644
index 0000000000..a8f9420dea
--- /dev/null
+++ b/tests/component_tests/teleinfo/test_sensor.py
@@ -0,0 +1,149 @@
+"""Tests for teleinfo sensor tag presets."""
+
+import pytest
+
+from esphome.components.teleinfo import CONF_TAG_NAME
+from esphome.components.teleinfo.sensor import apply_tag_config
+from esphome.const import (
+    CONF_DEVICE_CLASS,
+    CONF_ICON,
+    CONF_STATE_CLASS,
+    CONF_UNIT_OF_MEASUREMENT,
+    DEVICE_CLASS_APPARENT_POWER,
+    DEVICE_CLASS_CURRENT,
+    DEVICE_CLASS_ENERGY,
+    DEVICE_CLASS_POWER,
+    DEVICE_CLASS_REACTIVE_ENERGY,
+    DEVICE_CLASS_VOLTAGE,
+    ICON_FLASH,
+    STATE_CLASS_MEASUREMENT,
+    STATE_CLASS_TOTAL_INCREASING,
+    UNIT_AMPERE,
+    UNIT_KILOVOLT_AMPS,
+    UNIT_KILOWATT_HOURS,
+    UNIT_MILLIAMP,
+    UNIT_VOLT,
+    UNIT_VOLT_AMPS,
+    UNIT_VOLT_AMPS_REACTIVE_HOURS,
+    UNIT_WATT,
+    UNIT_WATT_HOURS,
+)
+
+
+@pytest.mark.parametrize(
+    ("tag", "unit", "device_class", "state_class"),
+    [
+        ("EAST", UNIT_WATT_HOURS, DEVICE_CLASS_ENERGY, STATE_CLASS_TOTAL_INCREASING),
+        (
+            "ERQ1",
+            UNIT_VOLT_AMPS_REACTIVE_HOURS,
+            DEVICE_CLASS_REACTIVE_ENERGY,
+            STATE_CLASS_TOTAL_INCREASING,
+        ),
+        ("IRMS1", UNIT_AMPERE, DEVICE_CLASS_CURRENT, STATE_CLASS_MEASUREMENT),
+        ("URMS1", UNIT_VOLT, DEVICE_CLASS_VOLTAGE, STATE_CLASS_MEASUREMENT),
+        (
+            "SINSTS",
+            UNIT_VOLT_AMPS,
+            DEVICE_CLASS_APPARENT_POWER,
+            STATE_CLASS_MEASUREMENT,
+        ),
+        (
+            "PREF",
+            UNIT_KILOVOLT_AMPS,
+            DEVICE_CLASS_APPARENT_POWER,
+            STATE_CLASS_MEASUREMENT,
+        ),
+        ("CCASN", UNIT_WATT, DEVICE_CLASS_POWER, STATE_CLASS_MEASUREMENT),
+        ("HCHC", UNIT_WATT_HOURS, DEVICE_CLASS_ENERGY, STATE_CLASS_TOTAL_INCREASING),
+        ("BBRHCJB", UNIT_WATT_HOURS, DEVICE_CLASS_ENERGY, STATE_CLASS_TOTAL_INCREASING),
+        ("IINST1", UNIT_AMPERE, DEVICE_CLASS_CURRENT, STATE_CLASS_MEASUREMENT),
+        ("ADIR2", UNIT_AMPERE, DEVICE_CLASS_CURRENT, STATE_CLASS_MEASUREMENT),
+        ("PAPP", UNIT_VOLT_AMPS, DEVICE_CLASS_APPARENT_POWER, STATE_CLASS_MEASUREMENT),
+        ("PMAX", UNIT_WATT, DEVICE_CLASS_POWER, STATE_CLASS_MEASUREMENT),
+    ],
+)
+def test_known_tag_preset(
+    tag: str, unit: str, device_class: str, state_class: str
+) -> None:
+    config = apply_tag_config({CONF_TAG_NAME: tag})
+    assert config[CONF_UNIT_OF_MEASUREMENT] == unit
+    assert config[CONF_DEVICE_CLASS] == device_class
+    assert config[CONF_STATE_CLASS] == state_class
+    assert CONF_ICON not in config
+
+
+def test_unknown_tag_keeps_legacy_defaults() -> None:
+    config = apply_tag_config({CONF_TAG_NAME: "MYTAG"})
+    assert config[CONF_UNIT_OF_MEASUREMENT] == UNIT_WATT_HOURS
+    assert config[CONF_DEVICE_CLASS] == DEVICE_CLASS_ENERGY
+    assert config[CONF_STATE_CLASS] == STATE_CLASS_TOTAL_INCREASING
+    assert config[CONF_ICON] == ICON_FLASH
+
+
+def test_unknown_tag_user_unit_keeps_legacy_device_class() -> None:
+    config = apply_tag_config(
+        {CONF_TAG_NAME: "MYTAG", CONF_UNIT_OF_MEASUREMENT: UNIT_KILOWATT_HOURS}
+    )
+    assert config[CONF_UNIT_OF_MEASUREMENT] == UNIT_KILOWATT_HOURS
+    assert config[CONF_DEVICE_CLASS] == DEVICE_CLASS_ENERGY
+    assert config[CONF_STATE_CLASS] == STATE_CLASS_TOTAL_INCREASING
+    assert config[CONF_ICON] == ICON_FLASH
+
+
+def test_unknown_tag_starting_with_u_is_not_voltage() -> None:
+    config = apply_tag_config({CONF_TAG_NAME: "UNKNOWN"})
+    assert config[CONF_DEVICE_CLASS] == DEVICE_CLASS_ENERGY
+
+
+def test_numeric_tag_name_does_not_crash() -> None:
+    config = apply_tag_config({CONF_TAG_NAME: 1234})
+    assert config[CONF_TAG_NAME] == 1234
+    assert config[CONF_DEVICE_CLASS] == DEVICE_CLASS_ENERGY
+
+
+@pytest.mark.parametrize(
+    ("tag", "unit", "device_class"),
+    [
+        ("HCHP", UNIT_KILOWATT_HOURS, DEVICE_CLASS_ENERGY),
+        ("EAST", UNIT_KILOWATT_HOURS, DEVICE_CLASS_ENERGY),
+        ("PREF", UNIT_VOLT_AMPS, DEVICE_CLASS_APPARENT_POWER),
+        ("IINST1", UNIT_MILLIAMP, DEVICE_CLASS_CURRENT),
+    ],
+)
+def test_user_compatible_unit_keeps_preset_device_class(
+    tag: str, unit: str, device_class: str
+) -> None:
+    config = apply_tag_config({CONF_TAG_NAME: tag, CONF_UNIT_OF_MEASUREMENT: unit})
+    assert config[CONF_UNIT_OF_MEASUREMENT] == unit
+    assert config[CONF_DEVICE_CLASS] == device_class
+
+
+def test_user_incompatible_unit_skips_preset_device_class() -> None:
+    config = apply_tag_config({CONF_TAG_NAME: "PAPP", CONF_UNIT_OF_MEASUREMENT: "W"})
+    assert config[CONF_UNIT_OF_MEASUREMENT] == "W"
+    assert CONF_DEVICE_CLASS not in config
+    assert config[CONF_STATE_CLASS] == STATE_CLASS_MEASUREMENT
+
+
+def test_user_incompatible_device_class_skips_preset_unit() -> None:
+    config = apply_tag_config(
+        {CONF_TAG_NAME: "PAPP", CONF_DEVICE_CLASS: DEVICE_CLASS_POWER}
+    )
+    assert config[CONF_DEVICE_CLASS] == DEVICE_CLASS_POWER
+    assert CONF_UNIT_OF_MEASUREMENT not in config
+
+
+def test_user_same_device_class_keeps_preset_unit() -> None:
+    config = apply_tag_config(
+        {CONF_TAG_NAME: "PAPP", CONF_DEVICE_CLASS: DEVICE_CLASS_APPARENT_POWER}
+    )
+    assert config[CONF_UNIT_OF_MEASUREMENT] == UNIT_VOLT_AMPS
+
+
+def test_user_state_class_is_kept() -> None:
+    config = apply_tag_config(
+        {CONF_TAG_NAME: "HCHP", CONF_STATE_CLASS: STATE_CLASS_MEASUREMENT}
+    )
+    assert config[CONF_STATE_CLASS] == STATE_CLASS_MEASUREMENT
+    assert config[CONF_UNIT_OF_MEASUREMENT] == UNIT_WATT_HOURS
diff --git a/tests/components/teleinfo/common.yaml b/tests/components/teleinfo/common.yaml
index dcb2cb14bd..7f73bca62c 100644
--- a/tests/components/teleinfo/common.yaml
+++ b/tests/components/teleinfo/common.yaml
@@ -22,11 +22,95 @@ teleinfo:
   update_interval: 60s
 
 sensor:
+  # Historical mode tags - auto-configured via apply_tag_config
   - platform: teleinfo
     name: hchc
     tag_name: HCHC
     teleinfo_id: test_teleinfo
-    unit_of_measurement: Wh
+  - platform: teleinfo
+    name: base
+    tag_name: BASE
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: iinst1
+    tag_name: IINST1
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: papp
+    tag_name: PAPP
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: bbrhcjb
+    tag_name: BBRHCJB
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: ejphn
+    tag_name: EJPHN
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: pmax
+    tag_name: PMAX
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: imax1
+    tag_name: IMAX1
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: isousc
+    tag_name: ISOUSC
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: adps
+    tag_name: ADPS
+    teleinfo_id: test_teleinfo
+  # Standard mode tags - auto-configured via apply_tag_config
+  - platform: teleinfo
+    name: east
+    tag_name: EAST
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: erqt
+    tag_name: ERQT
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: irms1
+    tag_name: IRMS1
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: urms1
+    tag_name: URMS1
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: sinsts
+    tag_name: SINSTS
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: smaxsn
+    tag_name: SMAXSN
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: ccasn
+    tag_name: CCASN
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: pref
+    tag_name: PREF
+    teleinfo_id: test_teleinfo
+  - platform: teleinfo
+    name: pcoup
+    tag_name: PCOUP
+    teleinfo_id: test_teleinfo
+  # Explicit override - user-specified unit should not be overwritten
+  - platform: teleinfo
+    name: hchp_override
+    tag_name: HCHP
+    teleinfo_id: test_teleinfo
+    unit_of_measurement: kWh
+  # Unknown tag - no auto-config match, should still compile
+  - platform: teleinfo
+    name: custom_tag
+    tag_name: MYTAG
+    teleinfo_id: test_teleinfo
 
 text_sensor:
   - platform: teleinfo