diff --git a/homeassistant/components/huum/climate.py b/homeassistant/components/huum/climate.py
index 6a50137f0a7..af4e8cc3623 100644
--- a/homeassistant/components/huum/climate.py
+++ b/homeassistant/components/huum/climate.py
@@ -89,7 +89,10 @@ class HuumDevice(HuumBaseEntity, ClimateEntity):
     async def async_set_hvac_mode(self, hvac_mode: HVACMode) -> None:
         """Set hvac mode."""
         if hvac_mode == HVACMode.HEAT:
-            await self._turn_on(self.target_temperature)
+            # Make sure to send integers
+            # The temperature is not always an integer if the user uses Fahrenheit
+            temperature = int(self.target_temperature)
+            await self._turn_on(temperature)
         elif hvac_mode == HVACMode.OFF:
             await self.coordinator.huum.turn_off()
         await self.coordinator.async_refresh()
@@ -99,6 +102,7 @@ class HuumDevice(HuumBaseEntity, ClimateEntity):
         temperature = kwargs.get(ATTR_TEMPERATURE)
         if temperature is None or self.hvac_mode != HVACMode.HEAT:
             return
+        temperature = int(temperature)
 
         await self._turn_on(temperature)
         await self.coordinator.async_refresh()