diff --git a/homeassistant/components/honeywell/climate.py b/homeassistant/components/honeywell/climate.py
index 19eb5c649d7..6bfefcf3a8c 100644
--- a/homeassistant/components/honeywell/climate.py
+++ b/homeassistant/components/honeywell/climate.py
@@ -146,13 +146,13 @@ class HoneywellUSThermostat(ClimateEntity):
             | ClimateEntityFeature.TARGET_TEMPERATURE_RANGE
         )
 
-        if device._data["canControlHumidification"]:
+        if device._data.get("canControlHumidification"):
             self._attr_supported_features |= ClimateEntityFeature.TARGET_HUMIDITY
 
-        if device.raw_ui_data["SwitchEmergencyHeatAllowed"]:
+        if device.raw_ui_data.get("SwitchEmergencyHeatAllowed"):
             self._attr_supported_features |= ClimateEntityFeature.AUX_HEAT
 
-        if not device._data["hasFan"]:
+        if not device._data.get("hasFan"):
             return
 
         # not all honeywell fans support all modes
diff --git a/homeassistant/components/honeywell/sensor.py b/homeassistant/components/honeywell/sensor.py
index 8c25216b2ff..c1f70bbdd1f 100644
--- a/homeassistant/components/honeywell/sensor.py
+++ b/homeassistant/components/honeywell/sensor.py
@@ -20,6 +20,7 @@ from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.typing import StateType
 
+from . import HoneywellData
 from .const import DOMAIN, HUMIDITY_STATUS_KEY, TEMPERATURE_STATUS_KEY
 
 
@@ -71,7 +72,7 @@ async def async_setup_entry(
     async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up the Honeywell thermostat."""
-    data = hass.data[DOMAIN][config_entry.entry_id]
+    data: HoneywellData = hass.data[DOMAIN][config_entry.entry_id]
     sensors = []
 
     for device in data.devices.values():
diff --git a/tests/components/honeywell/test_climate.py b/tests/components/honeywell/test_climate.py
index afb49cbffca..4d6989d79e8 100644
--- a/tests/components/honeywell/test_climate.py
+++ b/tests/components/honeywell/test_climate.py
@@ -48,13 +48,13 @@ FAN_ACTION = "fan_action"
 PRESET_HOLD = "Hold"
 
 
-async def test_no_thermostats(
+async def test_no_thermostat_options(
     hass: HomeAssistant, device: MagicMock, config_entry: MagicMock
 ) -> None:
-    """Test the setup of the climate entities when there are no appliances available."""
+    """Test the setup of the climate entities when there are no additional options available."""
     device._data = {}
     await init_integration(hass, config_entry)
-    assert len(hass.states.async_all()) == 0
+    assert len(hass.states.async_all()) == 1
 
 
 async def test_static_attributes(