diff --git a/README.md b/README.md
index 42ad817..319ddd0 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ Integration for GE WiFi-enabled appliances into Home Assistant.  This integratio
 - Laundry (Washer/Dryer)
 - Whole Home Water Filter
 - Whole Home Water Softener
-- A/C (Portable, Split, Window)
+- A/C (Portable, Split, Window, Built-In)
 - Range Hood
 - Advantium
 - Microwave
@@ -69,4 +69,4 @@ Please click [here](CHANGELOG.md) for change information.
 [license-shield]: https://img.shields.io/github/license/simbaja/ha_gehome.svg?style=for-the-badge
 [maintenance-shield]: https://img.shields.io/badge/maintainer-Jack%20Simbach%20%40simbaja-blue.svg?style=for-the-badge
 [releases-shield]: https://img.shields.io/github/release/simbaja/ha_gehome.svg?style=for-the-badge
-[releases]: https://github.com/simbaja/ha_gehome/releases
\ No newline at end of file
+[releases]: https://github.com/simbaja/ha_gehome/releases
diff --git a/custom_components/ge_home/climate.py b/custom_components/ge_home/climate.py
index 3694a09..fbdb94d 100644
--- a/custom_components/ge_home/climate.py
+++ b/custom_components/ge_home/climate.py
@@ -14,7 +14,7 @@ from .update_coordinator import GeHomeUpdateCoordinator
 _LOGGER = logging.getLogger(__name__)
 
 async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry, async_add_entities: Callable):
-    """GE Home Water Heaters."""
+    """GE Climate Devices."""
     _LOGGER.debug('Adding GE Climate Entities')
     coordinator: GeHomeUpdateCoordinator = hass.data[DOMAIN][config_entry.entry_id]
 
diff --git a/custom_components/ge_home/devices/biac.py b/custom_components/ge_home/devices/biac.py
index 8ddcfd2..916b6cb 100644
--- a/custom_components/ge_home/devices/biac.py
+++ b/custom_components/ge_home/devices/biac.py
@@ -7,11 +7,12 @@ from gehomesdk.erd import ErdCode, ErdApplianceType
 from .base import ApplianceApi
 from ..entities import GeSacClimate, GeErdSensor, GeErdSwitch, ErdOnOffBoolConverter, GeErdBinarySensor
 
+
 _LOGGER = logging.getLogger(__name__)
 
 
 class BiacApi(ApplianceApi):
-    """API class for Built-in AC objects"""
+    """API class for Built-In AC objects"""
     APPLIANCE_TYPE = ErdApplianceType.BUILT_IN_AIR_CONDITIONER
 
     def get_all_entities(self) -> List[Entity]:
@@ -31,4 +32,4 @@ class BiacApi(ApplianceApi):
 
         entities = base_entities + sac_entities
         return entities
-        
+
diff --git a/custom_components/ge_home/entities/ac/__init__.py b/custom_components/ge_home/entities/ac/__init__.py
index 0f2e6ad..aefb995 100644
--- a/custom_components/ge_home/entities/ac/__init__.py
+++ b/custom_components/ge_home/entities/ac/__init__.py
@@ -1,3 +1,4 @@
 from .ge_wac_climate import GeWacClimate
 from .ge_sac_climate import GeSacClimate
-from .ge_pac_climate import GePacClimate
\ No newline at end of file
+from .ge_pac_climate import GePacClimate
+from .ge_biac_climate import GeBiacClimate
diff --git a/custom_components/ge_home/entities/ac/ge_biac_climate.py b/custom_components/ge_home/entities/ac/ge_biac_climate.py
new file mode 100644
index 0000000..f3b7453
--- /dev/null
+++ b/custom_components/ge_home/entities/ac/ge_biac_climate.py
@@ -0,0 +1,45 @@
+import logging
+from typing import Any, List, Optional
+
+from homeassistant.components.climate.const import (
+    HVAC_MODE_AUTO,
+    HVAC_MODE_COOL,
+    HVAC_MODE_FAN_ONLY,
+)
+from gehomesdk import ErdAcOperationMode
+from ...devices import ApplianceApi
+from ..common import GeClimate, OptionsConverter
+from .fan_mode_options import AcFanModeOptionsConverter, AcFanOnlyFanModeOptionsConverter
+
+_LOGGER = logging.getLogger(__name__)
+
+class BiacHvacModeOptionsConverter(OptionsConverter):
+    @property
+    def options(self) -> List[str]:
+        return [HVAC_MODE_AUTO, HVAC_MODE_COOL, HVAC_MODE_FAN_ONLY]
+    def from_option_string(self, value: str) -> Any:
+        try:
+            return {
+                HVAC_MODE_AUTO: ErdAcOperationMode.ENERGY_SAVER,
+                HVAC_MODE_COOL: ErdAcOperationMode.COOL,
+                HVAC_MODE_FAN_ONLY: ErdAcOperationMode.FAN_ONLY
+            }.get(value)
+        except:
+            _LOGGER.warn(f"Could not set HVAC mode to {value.upper()}")
+            return ErdAcOperationMode.COOL
+    def to_option_string(self, value: Any) -> Optional[str]:
+        try:
+            return {
+                ErdAcOperationMode.ENERGY_SAVER: HVAC_MODE_AUTO,
+                ErdAcOperationMode.AUTO: HVAC_MODE_AUTO,
+                ErdAcOperationMode.COOL: HVAC_MODE_COOL,
+                ErdAcOperationMode.FAN_ONLY: HVAC_MODE_FAN_ONLY
+            }.get(value)
+        except:
+            _LOGGER.warn(f"Could not determine operation mode mapping for {value}")
+            return HVAC_MODE_COOL
+  
+class GeBiacClimate(GeClimate):
+    """Class for Built-In AC units"""
+    def __init__(self, api: ApplianceApi):
+        super().__init__(api, BiacHvacModeOptionsConverter(), AcFanModeOptionsConverter(), AcFanOnlyFanModeOptionsConverter())
diff --git a/custom_components/ge_home/entities/common/ge_climate.py b/custom_components/ge_home/entities/common/ge_climate.py
index fc48f93..7f44edb 100644
--- a/custom_components/ge_home/entities/common/ge_climate.py
+++ b/custom_components/ge_home/entities/common/ge_climate.py
@@ -191,4 +191,4 @@ class GeClimate(GeEntity, ClimateEntity):
             return (temperature_f - 32.0) * (5/9)
 
     def _get_icon(self) -> Optional[str]:
-        return "mdi:air-conditioner"
\ No newline at end of file
+        return "mdi:air-conditioner"