diff --git a/homeassistant/components/honeywell/climate.py b/homeassistant/components/honeywell/climate.py
index aa7365a936e..3677c0f8d56 100644
--- a/homeassistant/components/honeywell/climate.py
+++ b/homeassistant/components/honeywell/climate.py
@@ -126,7 +126,6 @@ class HoneywellUSThermostat(ClimateEntity):
         if device.temperature_unit == "C":
             self._attr_temperature_unit = UnitOfTemperature.CELSIUS
         self._attr_preset_modes = [PRESET_NONE, PRESET_AWAY, PRESET_HOLD]
-        self._attr_is_aux_heat = device.system_mode == "emheat"
 
         # not all honeywell HVACs support all modes
 
@@ -262,6 +261,11 @@ class HoneywellUSThermostat(ClimateEntity):
 
         return None
 
+    @property
+    def is_aux_heat(self) -> bool | None:
+        """Return true if aux heater."""
+        return self._device.system_mode == "emheat"
+
     @property
     def fan_mode(self) -> str | None:
         """Return the fan setting."""
diff --git a/homeassistant/components/honeywell/manifest.json b/homeassistant/components/honeywell/manifest.json
index 894892c3f4f..02bb95c38f6 100644
--- a/homeassistant/components/honeywell/manifest.json
+++ b/homeassistant/components/honeywell/manifest.json
@@ -6,5 +6,5 @@
   "documentation": "https://www.home-assistant.io/integrations/honeywell",
   "iot_class": "cloud_polling",
   "loggers": ["somecomfort"],
-  "requirements": ["aiosomecomfort==0.0.6"]
+  "requirements": ["aiosomecomfort==0.0.8"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 8cc88a00857..bc84932ea50 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -276,7 +276,7 @@ aioskybell==22.7.0
 aioslimproto==2.1.1
 
 # homeassistant.components.honeywell
-aiosomecomfort==0.0.6
+aiosomecomfort==0.0.8
 
 # homeassistant.components.steamist
 aiosteamist==0.3.2
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 2514f5f34ab..5dcae6f00d4 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -254,7 +254,7 @@ aioskybell==22.7.0
 aioslimproto==2.1.1
 
 # homeassistant.components.honeywell
-aiosomecomfort==0.0.6
+aiosomecomfort==0.0.8
 
 # homeassistant.components.steamist
 aiosteamist==0.3.2