diff --git a/homeassistant/components/balboa/__init__.py b/homeassistant/components/balboa/__init__.py
index d6a80e8fa8f..7e220bd46f8 100644
--- a/homeassistant/components/balboa/__init__.py
+++ b/homeassistant/components/balboa/__init__.py
@@ -18,7 +18,13 @@ from .const import CONF_SYNC_TIME, DEFAULT_SYNC_TIME, DOMAIN
 
 _LOGGER = logging.getLogger(__name__)
 
-PLATFORMS = [Platform.BINARY_SENSOR, Platform.CLIMATE, Platform.FAN, Platform.LIGHT]
+PLATFORMS = [
+    Platform.BINARY_SENSOR,
+    Platform.CLIMATE,
+    Platform.FAN,
+    Platform.LIGHT,
+    Platform.SELECT,
+]
 
 
 KEEP_ALIVE_INTERVAL = timedelta(minutes=1)
diff --git a/homeassistant/components/balboa/icons.json b/homeassistant/components/balboa/icons.json
index 7261f71bd00..7454366f692 100644
--- a/homeassistant/components/balboa/icons.json
+++ b/homeassistant/components/balboa/icons.json
@@ -27,6 +27,11 @@
           "off": "mdi:pump-off"
         }
       }
+    },
+    "select": {
+      "temperature_range": {
+        "default": "mdi:thermometer-lines"
+      }
     }
   }
 }
diff --git a/homeassistant/components/balboa/select.py b/homeassistant/components/balboa/select.py
new file mode 100644
index 00000000000..3fdd8c4d014
--- /dev/null
+++ b/homeassistant/components/balboa/select.py
@@ -0,0 +1,52 @@
+"""Support for Spa Client selects."""
+
+from pybalboa import SpaClient, SpaControl
+from pybalboa.enums import LowHighRange
+
+from homeassistant.components.select import SelectEntity
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import DOMAIN
+from .entity import BalboaEntity
+
+
+async def async_setup_entry(
+    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+) -> None:
+    """Set up the spa select entity."""
+    spa: SpaClient = hass.data[DOMAIN][entry.entry_id]
+    async_add_entities([BalboaTempRangeSelectEntity(spa.temperature_range)])
+
+
+class BalboaTempRangeSelectEntity(BalboaEntity, SelectEntity):
+    """Representation of a Temperature Range select."""
+
+    _attr_icon = "mdi:thermometer-lines"
+    _attr_name = "Temperature range"
+    _attr_unique_id = "temperature_range"
+    _attr_translation_key = "temperature_range"
+    _attr_options = [
+        LowHighRange.LOW.name.lower(),
+        LowHighRange.HIGH.name.lower(),
+    ]
+
+    def __init__(self, control: SpaControl) -> None:
+        """Initialise the select."""
+        super().__init__(control.client, "TempHiLow")
+        self._control = control
+
+    @property
+    def current_option(self) -> str | None:
+        """Return current select option."""
+        if self._control.state == LowHighRange.HIGH:
+            return LowHighRange.HIGH.name.lower()
+        return LowHighRange.LOW.name.lower()
+
+    async def async_select_option(self, option: str) -> None:
+        """Select temperature range high/low mode."""
+        if option == LowHighRange.HIGH.name.lower():
+            await self._client.set_temperature_range(LowHighRange.HIGH)
+        else:
+            await self._client.set_temperature_range(LowHighRange.LOW)
diff --git a/homeassistant/components/balboa/strings.json b/homeassistant/components/balboa/strings.json
index 3c8f82764d4..6ced7dfd8c3 100644
--- a/homeassistant/components/balboa/strings.json
+++ b/homeassistant/components/balboa/strings.json
@@ -65,6 +65,15 @@
       "only_light": {
         "name": "Light"
       }
+    },
+    "select": {
+      "temperature_range": {
+        "name": "Temperature range",
+        "state": {
+          "low": "Low",
+          "high": "High"
+        }
+      }
     }
   }
 }
diff --git a/tests/components/balboa/conftest.py b/tests/components/balboa/conftest.py
index fce022572c3..7f679773f93 100644
--- a/tests/components/balboa/conftest.py
+++ b/tests/components/balboa/conftest.py
@@ -5,7 +5,7 @@ from __future__ import annotations
 from collections.abc import Callable, Generator
 from unittest.mock import AsyncMock, MagicMock, patch
 
-from pybalboa.enums import HeatMode
+from pybalboa.enums import HeatMode, LowHighRange
 import pytest
 
 from homeassistant.core import HomeAssistant
@@ -60,5 +60,6 @@ def client_fixture() -> Generator[MagicMock, None, None]:
         client.heat_state = 2
         client.lights = []
         client.pumps = []
+        client.temperature_range.state = LowHighRange.LOW
 
         yield client
diff --git a/tests/components/balboa/test_select.py b/tests/components/balboa/test_select.py
new file mode 100644
index 00000000000..bd79f024817
--- /dev/null
+++ b/tests/components/balboa/test_select.py
@@ -0,0 +1,85 @@
+"""Tests of the select entity of the balboa integration."""
+
+from __future__ import annotations
+
+from unittest.mock import MagicMock, call
+
+from pybalboa import SpaControl
+from pybalboa.enums import LowHighRange
+import pytest
+
+from homeassistant.components.select import (
+    ATTR_OPTION,
+    DOMAIN as SELECT_DOMAIN,
+    SERVICE_SELECT_OPTION,
+)
+from homeassistant.const import ATTR_ENTITY_ID
+from homeassistant.core import HomeAssistant
+
+from . import client_update, init_integration
+
+ENTITY_SELECT = "select.fakespa_temperature_range"
+
+
+@pytest.fixture
+def mock_select(client: MagicMock):
+    """Return a mock switch."""
+    select = MagicMock(SpaControl)
+
+    async def set_state(state: LowHighRange):
+        select.state = state  # mock the spacontrol state
+
+    select.client = client
+    select.state = LowHighRange.LOW
+    select.set_state = set_state
+    client.temperature_range = select
+    return select
+
+
+async def test_select(hass: HomeAssistant, client: MagicMock, mock_select) -> None:
+    """Test spa temperature range select."""
+    await init_integration(hass)
+
+    # check if the initial state is off
+    state = hass.states.get(ENTITY_SELECT)
+    assert state.state == LowHighRange.LOW.name.lower()
+
+    # test high state
+    await _select_option_and_wait(hass, ENTITY_SELECT, LowHighRange.HIGH.name.lower())
+    assert client.set_temperature_range.call_count == 1
+    assert client.set_temperature_range.call_args == call(LowHighRange.HIGH)
+
+    # test back to low state
+    await _select_option_and_wait(hass, ENTITY_SELECT, LowHighRange.LOW.name.lower())
+    assert client.set_temperature_range.call_count == 2  # total call count
+    assert client.set_temperature_range.call_args == call(LowHighRange.LOW)
+
+
+async def test_selected_option(
+    hass: HomeAssistant, client: MagicMock, mock_select
+) -> None:
+    """Test spa temperature range selected option."""
+
+    await init_integration(hass)
+
+    # ensure initial low state
+    state = hass.states.get(ENTITY_SELECT)
+    assert state.state == LowHighRange.LOW.name.lower()
+
+    # ensure high state
+    mock_select.state = LowHighRange.HIGH
+    state = await client_update(hass, client, ENTITY_SELECT)
+    assert state.state == LowHighRange.HIGH.name.lower()
+
+
+async def _select_option_and_wait(hass: HomeAssistant | None, entity, option):
+    await hass.services.async_call(
+        SELECT_DOMAIN,
+        SERVICE_SELECT_OPTION,
+        {
+            ATTR_ENTITY_ID: entity,
+            ATTR_OPTION: option,
+        },
+        blocking=True,
+    )
+    await hass.async_block_till_done()