diff --git a/.vscode/launch.json b/.vscode/launch.json
index 4bae663..42c6c32 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -1,8 +1,9 @@
 {
   "configurations": [
+
       {
           "name": "Python: Debug Tests",
-          "type": "python",
+          "type": "",
           "request": "launch",
           "program": "${file}",
           "purpose": ["debug-test"],
@@ -12,6 +13,17 @@
               "hidden": true, // keep original launch order in 'run and debug' tab
           }
       },
+      {
+        "name": "Debug Tests",
+        "type": "debugpy",
+        "request": "launch",
+        "program": "${file}",
+        "console": "integratedTerminal",
+        "justMyCode": false,
+        "presentation": {
+            "hidden": true, // keep original launch order in 'run and debug' tab
+        }
+    }      
   ],
   "version": "0.2.0"
 }
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 823b7af..7a2d01a 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -5,6 +5,7 @@
   "python.experiments.optOutFrom": ["pythonTestAdapter"],
   "python.testing.unittestEnabled": false,
   "python.testing.pytestEnabled": true,
+  "debugpy.debugJustMyCode": false,
   "cSpell.words": [
     "ASHRAE",
     "automations",
diff --git a/custom_components/lennoxs30/number.py b/custom_components/lennoxs30/number.py
index 144f7ab..91e7708 100644
--- a/custom_components/lennoxs30/number.py
+++ b/custom_components/lennoxs30/number.py
@@ -9,11 +9,12 @@
 from typing import Any
 import voluptuous as vol
 
-from homeassistant.components.number import NumberEntity
+from homeassistant.components.number import NumberEntity, NumberDeviceClass
 from homeassistant.const import (
     PERCENTAGE,
     UnitOfTemperature,
     UnitOfTime,
+    UnitOfVolumeFlowRate,
 )
 from homeassistant.helpers import config_validation as cv
 from homeassistant.exceptions import HomeAssistantError
@@ -437,6 +438,11 @@ def device_info(self) -> DeviceInfo:
 class EquipmentParameterNumber(S30BaseEntityMixin, NumberEntity):
     """Set timed ventilation."""
 
+    absolute_temperature_pids: list[int] = [
+        202, 203, 105, 106, 128, 129, 55, 178, 194,
+        195, 179, 297, 298, 299, 300, 301, 302, 326, 327, 328
+    ]
+
     def __init__(
         self,
         hass: HomeAssistant,
@@ -508,7 +514,7 @@ def native_step(self) -> float:
 
     @property
     def native_value(self) -> float:
-        return self.parameter.value
+        return float(self.parameter.value)
 
     async def async_set_native_value(self, value: float) -> None:
         """Update the current value."""
@@ -529,6 +535,21 @@ async def async_set_native_value(self, value: float) -> None:
     @property
     def native_unit_of_measurement(self):
         return lennox_uom_to_ha_uom(self.parameter.unit)
+    
+    @property
+    def device_class(self):
+        uom = self.native_unit_of_measurement
+        if uom in (UnitOfTemperature.CELSIUS, UnitOfTemperature.FAHRENHEIT):
+            # Many of the parameters are temperature offsets, for now we only
+            # report absolute temperatures as having the device_class which allows
+            # then to be automatically translated to celsius
+            if self.parameter.pid in self.absolute_temperature_pids:
+                return NumberDeviceClass.TEMPERATURE
+            return None
+        if uom == UnitOfVolumeFlowRate.CUBIC_FEET_PER_MINUTE:
+            return NumberDeviceClass.VOLUME_FLOW_RATE
+        return None
+
 
     @property
     def device_info(self) -> DeviceInfo:
diff --git a/tests/test_manager.py b/tests/test_manager.py
index 0df6c29..21d4f3d 100644
--- a/tests/test_manager.py
+++ b/tests/test_manager.py
@@ -38,7 +38,6 @@
     DS_DISCONNECTED,
     DS_LOGIN_FAILED,
     DS_RETRY_WAIT,
-    PLATFORMS,
     RETRY_INTERVAL_SECONDS,
     Manager,
 )
diff --git a/tests/test_number_equipment_parameter_number.py b/tests/test_number_equipment_parameter_number.py
index 99a903b..f88522b 100644
--- a/tests/test_number_equipment_parameter_number.py
+++ b/tests/test_number_equipment_parameter_number.py
@@ -54,8 +54,26 @@ async def test_equipment_parameter_number_unit_of_measure(hass, manager: Manager
     equipment = system.equipment[0]
     parameter = equipment.parameters[72]
     c = EquipmentParameterNumber(hass, manager, system, equipment, parameter)
+    c.hass = hass
+
+    hass.config.units.temperature_unit = UnitOfTemperature.CELSIUS
+    assert c.native_unit_of_measurement == UnitOfTemperature.FAHRENHEIT
+    assert c.unit_of_measurement == UnitOfTemperature.FAHRENHEIT
+
+    hass.config.units.temperature_unit = UnitOfTemperature.FAHRENHEIT
+    assert c.native_unit_of_measurement == UnitOfTemperature.FAHRENHEIT
     assert c.unit_of_measurement == UnitOfTemperature.FAHRENHEIT
 
+    hass.config.units.temperature_unit = UnitOfTemperature.CELSIUS
+    parameter = equipment.parameters[202]
+    c = EquipmentParameterNumber(hass, manager, system, equipment, parameter)
+    c.hass = hass
+    assert c.native_unit_of_measurement == UnitOfTemperature.FAHRENHEIT
+    assert c.unit_of_measurement == UnitOfTemperature.CELSIUS
+
+    hass.config.units.temperature_unit = UnitOfTemperature.FAHRENHEIT
+    assert c.native_unit_of_measurement == UnitOfTemperature.FAHRENHEIT
+    assert c.unit_of_measurement == UnitOfTemperature.FAHRENHEIT
 
 @pytest.mark.asyncio
 async def test_equipment_parameter_number_max_value(hass, manager: Manager):
@@ -63,6 +81,8 @@ async def test_equipment_parameter_number_max_value(hass, manager: Manager):
     equipment = system.equipment[0]
     parameter = equipment.parameters[72]
     c = EquipmentParameterNumber(hass, manager, system, equipment, parameter)
+    c.hass = hass
+    hass.config.units.temperature_unit = UnitOfTemperature.FAHRENHEIT
     assert c.max_value == float(parameter.range_max)
 
 
@@ -72,6 +92,9 @@ async def test_equipment_parameter_number_min_value(hass, manager: Manager):
     equipment = system.equipment[0]
     parameter = equipment.parameters[72]
     c = EquipmentParameterNumber(hass, manager, system, equipment, parameter)
+    c.hass = hass
+    hass.config.units.temperature_unit = UnitOfTemperature.FAHRENHEIT
+
     assert c.min_value == float(parameter.range_min)
 
 
@@ -90,7 +113,17 @@ async def test_equipment_parameter_number_value(hass, manager: Manager):
     equipment = system.equipment[0]
     parameter = equipment.parameters[72]
     c = EquipmentParameterNumber(hass, manager, system, equipment, parameter)
-    assert c.value == parameter.value
+    c.hass = hass
+    hass.config.units.temperature_unit = UnitOfTemperature.FAHRENHEIT
+    assert c.value == float(parameter.value)
+
+    hass.config.units.temperature_unit = UnitOfTemperature.CELSIUS
+    assert c.value == float(parameter.value)
+
+    parameter = equipment.parameters[202]
+    c = EquipmentParameterNumber(hass, manager, system, equipment, parameter)
+    c.hass = hass
+    assert c.value == 21.1
 
 
 @pytest.mark.asyncio