diff --git a/homeassistant/components/ecobee/climate.py b/homeassistant/components/ecobee/climate.py
index dd29918ec18..6de23f09c60 100644
--- a/homeassistant/components/ecobee/climate.py
+++ b/homeassistant/components/ecobee/climate.py
@@ -32,6 +32,7 @@ from homeassistant.components.climate.const import (
 from homeassistant.const import (
     ATTR_ENTITY_ID,
     ATTR_TEMPERATURE,
+    PRECISION_TENTHS,
     STATE_ON,
     TEMP_FAHRENHEIT,
 )
@@ -379,6 +380,11 @@ class Thermostat(ClimateEntity):
         """Return the unit of measurement."""
         return TEMP_FAHRENHEIT
 
+    @property
+    def precision(self) -> float:
+        """Return the precision of the system."""
+        return PRECISION_TENTHS
+
     @property
     def current_temperature(self):
         """Return the current temperature."""
@@ -388,14 +394,14 @@ class Thermostat(ClimateEntity):
     def target_temperature_low(self):
         """Return the lower bound temperature we try to reach."""
         if self.hvac_mode == HVAC_MODE_HEAT_COOL:
-            return self.thermostat["runtime"]["desiredHeat"] / 10.0
+            return round(self.thermostat["runtime"]["desiredHeat"] / 10.0)
         return None
 
     @property
     def target_temperature_high(self):
         """Return the upper bound temperature we try to reach."""
         if self.hvac_mode == HVAC_MODE_HEAT_COOL:
-            return self.thermostat["runtime"]["desiredCool"] / 10.0
+            return round(self.thermostat["runtime"]["desiredCool"] / 10.0)
         return None
 
     @property
@@ -429,9 +435,9 @@ class Thermostat(ClimateEntity):
         if self.hvac_mode == HVAC_MODE_HEAT_COOL:
             return None
         if self.hvac_mode == HVAC_MODE_HEAT:
-            return self.thermostat["runtime"]["desiredHeat"] / 10.0
+            return round(self.thermostat["runtime"]["desiredHeat"] / 10.0)
         if self.hvac_mode == HVAC_MODE_COOL:
-            return self.thermostat["runtime"]["desiredCool"] / 10.0
+            return round(self.thermostat["runtime"]["desiredCool"] / 10.0)
         return None
 
     @property
diff --git a/tests/components/ecobee/test_climate.py b/tests/components/ecobee/test_climate.py
index 86f9926b756..da6017a71a1 100644
--- a/tests/components/ecobee/test_climate.py
+++ b/tests/components/ecobee/test_climate.py
@@ -83,14 +83,14 @@ async def test_target_temperature_low(ecobee_fixture, thermostat):
     """Test target low temperature."""
     assert thermostat.target_temperature_low == 40
     ecobee_fixture["runtime"]["desiredHeat"] = 502
-    assert thermostat.target_temperature_low == 50.2
+    assert thermostat.target_temperature_low == 50
 
 
 async def test_target_temperature_high(ecobee_fixture, thermostat):
     """Test target high temperature."""
     assert thermostat.target_temperature_high == 20
-    ecobee_fixture["runtime"]["desiredCool"] = 103
-    assert thermostat.target_temperature_high == 10.3
+    ecobee_fixture["runtime"]["desiredCool"] = 679
+    assert thermostat.target_temperature_high == 68
 
 
 async def test_target_temperature(ecobee_fixture, thermostat):