diff --git a/homeassistant/components/climate/generic_thermostat.py b/homeassistant/components/climate/generic_thermostat.py
index 6b7f6cb2afc..030a76626c6 100644
--- a/homeassistant/components/climate/generic_thermostat.py
+++ b/homeassistant/components/climate/generic_thermostat.py
@@ -14,8 +14,7 @@ from homeassistant.core import DOMAIN as HA_DOMAIN
 from homeassistant.components.climate import (
     STATE_HEAT, STATE_COOL, STATE_IDLE, STATE_AUTO, ClimateDevice,
     ATTR_OPERATION_MODE, ATTR_AWAY_MODE, SUPPORT_OPERATION_MODE,
-    SUPPORT_AWAY_MODE, SUPPORT_TARGET_TEMPERATURE, PLATFORM_SCHEMA,
-    DEFAULT_MIN_TEMP, DEFAULT_MAX_TEMP)
+    SUPPORT_AWAY_MODE, SUPPORT_TARGET_TEMPERATURE, PLATFORM_SCHEMA)
 from homeassistant.const import (
     ATTR_UNIT_OF_MEASUREMENT, STATE_ON, STATE_OFF, ATTR_TEMPERATURE,
     CONF_NAME, ATTR_ENTITY_ID, SERVICE_TURN_ON, SERVICE_TURN_OFF,
@@ -268,7 +267,8 @@ class GenericThermostat(ClimateDevice):
         if self._min_temp:
             return self._min_temp
 
-        return DEFAULT_MIN_TEMP
+        # get default temp from super class
+        return super().min_temp
 
     @property
     def max_temp(self):
@@ -277,7 +277,8 @@ class GenericThermostat(ClimateDevice):
         if self._max_temp:
             return self._max_temp
 
-        return DEFAULT_MAX_TEMP
+        # Get default temp from super class
+        return super().max_temp
 
     @asyncio.coroutine
     def _async_sensor_changed(self, entity_id, old_state, new_state):
diff --git a/homeassistant/components/climate/sensibo.py b/homeassistant/components/climate/sensibo.py
index b3fff0dd796..363653608e8 100644
--- a/homeassistant/components/climate/sensibo.py
+++ b/homeassistant/components/climate/sensibo.py
@@ -19,7 +19,7 @@ from homeassistant.components.climate import (
     ATTR_CURRENT_HUMIDITY, ClimateDevice, DOMAIN, PLATFORM_SCHEMA,
     SUPPORT_TARGET_TEMPERATURE, SUPPORT_OPERATION_MODE,
     SUPPORT_FAN_MODE, SUPPORT_SWING_MODE,
-    SUPPORT_ON_OFF, DEFAULT_MIN_TEMP, DEFAULT_MAX_TEMP)
+    SUPPORT_ON_OFF)
 from homeassistant.exceptions import PlatformNotReady
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
@@ -246,13 +246,13 @@ class SensiboClimate(ClimateDevice):
     def min_temp(self):
         """Return the minimum temperature."""
         return self._temperatures_list[0] \
-            if self._temperatures_list else DEFAULT_MIN_TEMP
+            if self._temperatures_list else super().min_temp
 
     @property
     def max_temp(self):
         """Return the maximum temperature."""
         return self._temperatures_list[-1] \
-            if self._temperatures_list else DEFAULT_MAX_TEMP
+            if self._temperatures_list else super().max_temp
 
     @property
     def unique_id(self):
diff --git a/homeassistant/components/climate/tado.py b/homeassistant/components/climate/tado.py
index 59da425553a..b3734e020e0 100644
--- a/homeassistant/components/climate/tado.py
+++ b/homeassistant/components/climate/tado.py
@@ -8,8 +8,8 @@ import logging
 
 from homeassistant.const import (PRECISION_TENTHS, TEMP_CELSIUS)
 from homeassistant.components.climate import (
-    ClimateDevice, SUPPORT_TARGET_TEMPERATURE, SUPPORT_OPERATION_MODE,
-    DEFAULT_MIN_TEMP, DEFAULT_MAX_TEMP)
+    ClimateDevice, SUPPORT_TARGET_TEMPERATURE, SUPPORT_OPERATION_MODE)
+from homeassistant.util.temperature import convert as convert_temperature
 from homeassistant.const import ATTR_TEMPERATURE
 from homeassistant.components.tado import DATA_TADO
 
@@ -231,18 +231,14 @@ class TadoClimate(ClimateDevice):
     @property
     def min_temp(self):
         """Return the minimum temperature."""
-        if self._min_temp:
-            return self._min_temp
-
-        return DEFAULT_MIN_TEMP
+        return convert_temperature(self._min_temp, self._unit,
+                                   self.hass.config.units.temperature_unit)
 
     @property
     def max_temp(self):
         """Return the maximum temperature."""
-        if self._max_temp:
-            return self._max_temp
-
-        return DEFAULT_MAX_TEMP
+        return convert_temperature(self._max_temp, self._unit,
+                                   self.hass.config.units.temperature_unit)
 
     def update(self):
         """Update the state of this climate device."""