diff --git a/homeassistant/components/simplisafe/__init__.py b/homeassistant/components/simplisafe/__init__.py
index e81559bd1fa..a3f56a9e1a3 100644
--- a/homeassistant/components/simplisafe/__init__.py
+++ b/homeassistant/components/simplisafe/__init__.py
@@ -500,7 +500,7 @@ class SimpliSafe:
 
         async def async_update_system(system):
             """Update a system."""
-            await system.update(cached=False)
+            await system.update(cached=system.version != 3)
             self._async_process_new_notifications(system)
 
         tasks = [async_update_system(system) for system in self.systems.values()]
diff --git a/homeassistant/components/simplisafe/binary_sensor.py b/homeassistant/components/simplisafe/binary_sensor.py
index cd6a4465261..263bbf51b13 100644
--- a/homeassistant/components/simplisafe/binary_sensor.py
+++ b/homeassistant/components/simplisafe/binary_sensor.py
@@ -12,7 +12,7 @@ from homeassistant.components.binary_sensor import (
 from homeassistant.core import callback
 
 from . import SimpliSafeEntity
-from .const import DATA_CLIENT, DOMAIN
+from .const import DATA_CLIENT, DOMAIN, LOGGER
 
 SUPPORTED_BATTERY_SENSOR_TYPES = [
     EntityTypes.carbon_monoxide,
@@ -48,9 +48,13 @@ SENSOR_MODELS = {
 async def async_setup_entry(hass, entry, async_add_entities):
     """Set up SimpliSafe binary sensors based on a config entry."""
     simplisafe = hass.data[DOMAIN][DATA_CLIENT][entry.entry_id]
-
     sensors = []
+
     for system in simplisafe.systems.values():
+        if system.version == 2:
+            LOGGER.info("Skipping sensor setup for V2 system: %s", system.system_id)
+            continue
+
         for sensor in system.sensors.values():
             if sensor.type in SUPPORTED_SENSOR_TYPES:
                 sensors.append(SimpliSafeBinarySensor(simplisafe, system, sensor))
diff --git a/homeassistant/components/simplisafe/sensor.py b/homeassistant/components/simplisafe/sensor.py
index fd6f1121af9..5909471c455 100644
--- a/homeassistant/components/simplisafe/sensor.py
+++ b/homeassistant/components/simplisafe/sensor.py
@@ -5,21 +5,24 @@ from homeassistant.const import DEVICE_CLASS_TEMPERATURE, TEMP_FAHRENHEIT
 from homeassistant.core import callback
 
 from . import SimpliSafeEntity
-from .const import DATA_CLIENT, DOMAIN
+from .const import DATA_CLIENT, DOMAIN, LOGGER
 
 
 async def async_setup_entry(hass, entry, async_add_entities):
     """Set up SimpliSafe freeze sensors based on a config entry."""
     simplisafe = hass.data[DOMAIN][DATA_CLIENT][entry.entry_id]
+    sensors = []
 
-    async_add_entities(
-        [
-            SimplisafeFreezeSensor(simplisafe, system, sensor)
-            for system in simplisafe.systems.values()
-            for sensor in system.sensors.values()
-            if sensor.type == EntityTypes.temperature
-        ]
-    )
+    for system in simplisafe.systems.values():
+        if system.version == 2:
+            LOGGER.info("Skipping sensor setup for V2 system: %s", system.system_id)
+            continue
+
+        for sensor in system.sensors.values():
+            if sensor.type == EntityTypes.temperature:
+                sensors.append(SimplisafeFreezeSensor(simplisafe, system, sensor))
+
+    async_add_entities(sensors)
 
 
 class SimplisafeFreezeSensor(SimpliSafeEntity):