diff --git a/homeassistant/components/nuheat/__init__.py b/homeassistant/components/nuheat/__init__.py
index fb17e6b45bf..21c7ca79a1f 100644
--- a/homeassistant/components/nuheat/__init__.py
+++ b/homeassistant/components/nuheat/__init__.py
@@ -1,6 +1,5 @@
 """Support for NuHeat thermostats."""
 
-from datetime import timedelta
 from http import HTTPStatus
 import logging
 
@@ -11,14 +10,14 @@ from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ConfigEntryNotReady
-from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 
 from .const import CONF_SERIAL_NUMBER, DOMAIN, PLATFORMS
+from .coordinator import NuHeatCoordinator
 
 _LOGGER = logging.getLogger(__name__)
 
 
-def _get_thermostat(api, serial_number):
+def _get_thermostat(api: nuheat.NuHeat, serial_number: str) -> nuheat.NuHeatThermostat:
     """Authenticate and create the thermostat object."""
     api.authenticate()
     return api.get_thermostat(serial_number)
@@ -29,9 +28,9 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 
     conf = entry.data
 
-    username = conf[CONF_USERNAME]
-    password = conf[CONF_PASSWORD]
-    serial_number = conf[CONF_SERIAL_NUMBER]
+    username: str = conf[CONF_USERNAME]
+    password: str = conf[CONF_PASSWORD]
+    serial_number: str = conf[CONF_SERIAL_NUMBER]
 
     api = nuheat.NuHeat(username, password)
 
@@ -53,18 +52,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
         _LOGGER.error("Failed to login to nuheat: %s", ex)
         return False
 
-    async def _async_update_data():
-        """Fetch data from API endpoint."""
-        await hass.async_add_executor_job(thermostat.get_data)
-
-    coordinator = DataUpdateCoordinator(
-        hass,
-        _LOGGER,
-        config_entry=entry,
-        name=f"nuheat {serial_number}",
-        update_method=_async_update_data,
-        update_interval=timedelta(minutes=5),
-    )
+    coordinator = NuHeatCoordinator(hass, entry, thermostat)
 
     hass.data.setdefault(DOMAIN, {})
     hass.data[DOMAIN][entry.entry_id] = (thermostat, coordinator)
diff --git a/homeassistant/components/nuheat/climate.py b/homeassistant/components/nuheat/climate.py
index 6a38bb160be..d0ea35c2e8b 100644
--- a/homeassistant/components/nuheat/climate.py
+++ b/homeassistant/components/nuheat/climate.py
@@ -27,6 +27,7 @@ from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
 from .const import DOMAIN, MANUFACTURER, NUHEAT_API_STATE_SHIFT_DELAY
+from .coordinator import NuHeatCoordinator
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -69,7 +70,7 @@ async def async_setup_entry(
     async_add_entities([entity], True)
 
 
-class NuHeatThermostat(CoordinatorEntity, ClimateEntity):
+class NuHeatThermostat(CoordinatorEntity[NuHeatCoordinator], ClimateEntity):
     """Representation of a NuHeat Thermostat."""
 
     _attr_hvac_modes = OPERATION_LIST
diff --git a/homeassistant/components/nuheat/coordinator.py b/homeassistant/components/nuheat/coordinator.py
new file mode 100644
index 00000000000..6555f7376ed
--- /dev/null
+++ b/homeassistant/components/nuheat/coordinator.py
@@ -0,0 +1,42 @@
+"""DataUpdateCoordinator for NuHeat thermostats."""
+
+from datetime import timedelta
+import logging
+
+import nuheat
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
+
+from .const import CONF_SERIAL_NUMBER
+
+_LOGGER = logging.getLogger(__name__)
+
+SCAN_INTERVAL = timedelta(minutes=5)
+
+
+class NuHeatCoordinator(DataUpdateCoordinator[None]):
+    """Coordinator for NuHeat thermostat data."""
+
+    config_entry: ConfigEntry
+
+    def __init__(
+        self,
+        hass: HomeAssistant,
+        entry: ConfigEntry,
+        thermostat: nuheat.NuHeatThermostat,
+    ) -> None:
+        """Initialize the coordinator."""
+        super().__init__(
+            hass,
+            _LOGGER,
+            config_entry=entry,
+            name=f"nuheat {entry.data[CONF_SERIAL_NUMBER]}",
+            update_interval=SCAN_INTERVAL,
+        )
+        self.thermostat = thermostat
+
+    async def _async_update_data(self) -> None:
+        """Fetch data from API endpoint."""
+        await self.hass.async_add_executor_job(self.thermostat.get_data)