diff --git a/homeassistant/components/intelliclima/fan.py b/homeassistant/components/intelliclima/fan.py
index b0ec494e184..28b64e1d768 100644
--- a/homeassistant/components/intelliclima/fan.py
+++ b/homeassistant/components/intelliclima/fan.py
@@ -74,7 +74,7 @@ class IntelliClimaVMCFan(IntelliClimaECOEntity, FanEntity):
         """Return the current speed percentage."""
         device_data = self._device_data
 
-        if device_data.speed_set == FanSpeed.auto:
+        if device_data.speed_set == FanSpeed.auto_get:
             return None
 
         return ranged_value_to_percentage(self._speed_range, int(device_data.speed_set))
@@ -92,7 +92,7 @@ class IntelliClimaVMCFan(IntelliClimaECOEntity, FanEntity):
         if device_data.mode_set == FanMode.off:
             return None
         if (
-            device_data.speed_set == FanSpeed.auto
+            device_data.speed_set == FanSpeed.auto_get
             and device_data.mode_set == FanMode.sensor
         ):
             return "auto"
@@ -111,7 +111,7 @@ class IntelliClimaVMCFan(IntelliClimaECOEntity, FanEntity):
         infinitely.
         """
         percentage = 25 if percentage == 0 else percentage
-        await self.async_set_mode_speed(fan_mode=preset_mode, percentage=percentage)
+        await self.async_set_mode_speed(preset_mode=preset_mode, percentage=percentage)
 
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Turn off the fan."""
@@ -124,10 +124,10 @@ class IntelliClimaVMCFan(IntelliClimaECOEntity, FanEntity):
 
     async def async_set_preset_mode(self, preset_mode: str) -> None:
         """Set preset mode."""
-        await self.async_set_mode_speed(fan_mode=preset_mode)
+        await self.async_set_mode_speed(preset_mode=preset_mode)
 
     async def async_set_mode_speed(
-        self, fan_mode: str | None = None, percentage: int | None = None
+        self, preset_mode: str | None = None, percentage: int | None = None
     ) -> None:
         """Set mode and speed.
 
@@ -137,7 +137,7 @@ class IntelliClimaVMCFan(IntelliClimaECOEntity, FanEntity):
         percentage = self.percentage if percentage is None else percentage
         percentage = 25 if percentage is None else percentage
 
-        if fan_mode == "auto":
+        if preset_mode == "auto":
             # auto is a special case with special mode and speed setting
             await self.coordinator.api.ecocomfort.set_mode_speed_auto(self._device_sn)
             await self.coordinator.async_request_refresh()
@@ -148,21 +148,20 @@ class IntelliClimaVMCFan(IntelliClimaECOEntity, FanEntity):
             return
 
         # Determine the fan mode
-        if fan_mode is not None:
-            # Set to requested fan_mode
-            mode = fan_mode
-        elif not self.is_on:
+        if not self.is_on:
             # Default to alternate fan mode if not turned on
             mode = FanMode.alternate
         else:
             # Maintain current mode
             mode = self._device_data.mode_set
 
-        speed = str(
-            math.ceil(
-                percentage_to_ranged_value(
-                    self._speed_range,
-                    percentage,
+        speed = FanSpeed(
+            str(
+                math.ceil(
+                    percentage_to_ranged_value(
+                        self._speed_range,
+                        percentage,
+                    )
                 )
             )
         )
diff --git a/homeassistant/components/intelliclima/manifest.json b/homeassistant/components/intelliclima/manifest.json
index 4d15d4bfa9a..97c90f65e96 100644
--- a/homeassistant/components/intelliclima/manifest.json
+++ b/homeassistant/components/intelliclima/manifest.json
@@ -7,5 +7,5 @@
   "integration_type": "device",
   "iot_class": "cloud_polling",
   "quality_scale": "bronze",
-  "requirements": ["pyintelliclima==0.2.2"]
+  "requirements": ["pyintelliclima==0.3.1"]
 }
diff --git a/homeassistant/components/intelliclima/select.py b/homeassistant/components/intelliclima/select.py
index d6b9f23b595..02e865088fa 100644
--- a/homeassistant/components/intelliclima/select.py
+++ b/homeassistant/components/intelliclima/select.py
@@ -68,12 +68,12 @@ class IntelliClimaVMCFanModeSelect(IntelliClimaECOEntity, SelectEntity):
 
         # If in auto mode (sensor mode with auto speed), return None (handled by fan entity preset mode)
         if (
-            device_data.speed_set == FanSpeed.auto
+            device_data.speed_set == FanSpeed.auto_get
             and device_data.mode_set == FanMode.sensor
         ):
             return None
 
-        return INTELLICLIMA_MODE_TO_FAN_MODE.get(FanMode(device_data.mode_set))
+        return INTELLICLIMA_MODE_TO_FAN_MODE.get(device_data.mode_set)
 
     async def async_select_option(self, option: str) -> None:
         """Set the fan mode."""
@@ -83,7 +83,7 @@ class IntelliClimaVMCFanModeSelect(IntelliClimaECOEntity, SelectEntity):
 
         # Determine speed: keep current speed if available, otherwise default to sleep
         if (
-            device_data.speed_set == FanSpeed.auto
+            device_data.speed_set == FanSpeed.auto_get
             or device_data.mode_set == FanMode.off
         ):
             speed = FanSpeed.sleep
diff --git a/homeassistant/components/intelliclima/strings.json b/homeassistant/components/intelliclima/strings.json
index 2cc00c3c371..7c8e1b25053 100644
--- a/homeassistant/components/intelliclima/strings.json
+++ b/homeassistant/components/intelliclima/strings.json
@@ -6,7 +6,7 @@
     "error": {
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
       "invalid_auth": "[%key:common::config_flow::error::invalid_auth%]",
-      "no_devices": "No IntelliClima devices found in your account",
+      "no_devices": "No supported IntelliClima devices were found in your account",
       "unknown": "[%key:common::config_flow::error::unknown%]"
     },
     "step": {
diff --git a/requirements_all.txt b/requirements_all.txt
index cd173e8aa69..58782b72050 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2158,7 +2158,7 @@ pyicloud==2.4.1
 pyinsteon==1.6.4
 
 # homeassistant.components.intelliclima
-pyintelliclima==0.2.2
+pyintelliclima==0.3.1
 
 # homeassistant.components.intesishome
 pyintesishome==1.8.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index ddf6b100249..88d3703b6c9 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1847,7 +1847,7 @@ pyicloud==2.4.1
 pyinsteon==1.6.4
 
 # homeassistant.components.intelliclima
-pyintelliclima==0.2.2
+pyintelliclima==0.3.1
 
 # homeassistant.components.ipma
 pyipma==3.0.9
diff --git a/tests/components/intelliclima/conftest.py b/tests/components/intelliclima/conftest.py
index 6f97e3289ef..c0925b20420 100644
--- a/tests/components/intelliclima/conftest.py
+++ b/tests/components/intelliclima/conftest.py
@@ -4,6 +4,7 @@ from collections.abc import Generator
 from types import SimpleNamespace
 from unittest.mock import AsyncMock, patch
 
+from pyintelliclima.const import FanMode, FanSpeed
 from pyintelliclima.intelliclima_types import (
     IntelliClimaDevices,
     IntelliClimaECO,
@@ -50,9 +51,9 @@ def single_eco_device() -> IntelliClimaDevices:
         model=IntelliClimaModelType(modello="ECO", tipo="wifi"),
         name="Test VMC",
         houses_id="12345",
-        mode_set="1",
+        mode_set=FanMode.inward,
         mode_state="1",
-        speed_set="3",
+        speed_set=FanSpeed.medium,
         speed_state="3",
         last_online="2025-11-18 10:22:51",
         creation_date="2025-11-18 10:22:51",
diff --git a/tests/components/intelliclima/test_fan.py b/tests/components/intelliclima/test_fan.py
index 5319be60098..0ad99a02996 100644
--- a/tests/components/intelliclima/test_fan.py
+++ b/tests/components/intelliclima/test_fan.py
@@ -3,6 +3,7 @@
 from collections.abc import AsyncGenerator
 from unittest.mock import AsyncMock, patch
 
+from pyintelliclima.const import FanMode, FanSpeed
 import pytest
 from syrupy.assertion import SnapshotAssertion
 
@@ -103,7 +104,7 @@ async def test_fan_turn_on_service_calls_api(
 
     # Device serial from single_eco_device.crono_sn
     mock_cloud_interface.ecocomfort.set_mode_speed.assert_awaited_once_with(
-        "11223344", "1", "2"
+        "11223344", FanMode.inward, FanSpeed.low
     )
 
 
@@ -119,10 +120,10 @@ async def test_fan_set_percentage_maps_to_speed(
         {ATTR_ENTITY_ID: FAN_ENTITY_ID, ATTR_PERCENTAGE: 15},
         blocking=True,
     )
-    # Initial mode_set="1" (forward) from single_eco_device.
-    # Sleep speed is "1" (25%).
+    # Initial mode_set=FanMode.inward from single_eco_device.
+    # Sleep speed is FanSpeed.sleep (25%).
     mock_cloud_interface.ecocomfort.set_mode_speed.assert_awaited_once_with(
-        "11223344", "1", "1"
+        "11223344", FanMode.inward, FanSpeed.sleep
     )
 
 
@@ -165,18 +166,18 @@ async def test_fan_set_percentage_zero_turns_off(
     ("service_data", "expected_mode", "expected_speed"),
     [
         # percentage=None, preset_mode=None -> defaults to previous speed > 75% (medium),
-        # previous mode > "inward"
-        ({}, "1", "3"),
-        # percentage=0, preset_mode=None -> default 25% (sleep), previous mode (inward)
-        ({ATTR_PERCENTAGE: 0}, "1", "1"),
+        # previous mode > FanMode.inward
+        ({}, FanMode.inward, FanSpeed.medium),
+        # percentage=0, preset_mode=None -> default 25% (FanSpeed.sleep), previous mode (inward)
+        ({ATTR_PERCENTAGE: 0}, FanMode.inward, FanSpeed.sleep),
     ],
 )
 async def test_fan_turn_on_defaulting_behavior(
     hass: HomeAssistant,
     mock_cloud_interface: AsyncMock,
     service_data: dict,
-    expected_mode: str,
-    expected_speed: str,
+    expected_mode: FanMode,
+    expected_speed: FanSpeed,
 ) -> None:
     """turn_on defaults percentage/preset as expected."""
     data = {ATTR_ENTITY_ID: FAN_ENTITY_ID} | service_data
diff --git a/tests/components/intelliclima/test_select.py b/tests/components/intelliclima/test_select.py
index eb448d7edfc..b8d56bb1b08 100644
--- a/tests/components/intelliclima/test_select.py
+++ b/tests/components/intelliclima/test_select.py
@@ -86,10 +86,10 @@ async def test_select_option_keeps_current_speed(
         {ATTR_ENTITY_ID: SELECT_ENTITY_ID, ATTR_OPTION: option},
         blocking=True,
     )
-    # Device starts with speed_set="3" (from single_eco_device in conftest),
+    # Device starts with speed_set=FanSpeed.medium (from single_eco_device in conftest),
     # mode is not off and not auto, so current speed is preserved.
     mock_cloud_interface.ecocomfort.set_mode_speed.assert_awaited_once_with(
-        "11223344", expected_mode, "3"
+        "11223344", expected_mode, FanSpeed.medium
     )
 
 
@@ -119,9 +119,9 @@ async def test_select_option_in_auto_mode_defaults_speed_to_sleep(
     mock_cloud_interface: AsyncMock,
     single_eco_device,
 ) -> None:
-    """When speed_set is FanSpeed.auto (auto preset), selecting an option defaults to sleep speed."""
+    """When speed_set is FanSpeed.auto_get (auto preset), selecting an option defaults to sleep speed."""
     eco = list(single_eco_device.ecocomfort2_devices.values())[0]
-    eco.speed_set = FanSpeed.auto
+    eco.speed_set = FanSpeed.auto_get
     eco.mode_set = FanMode.sensor
 
     await hass.services.async_call(