diff --git a/homeassistant/components/touchline_sl/climate.py b/homeassistant/components/touchline_sl/climate.py
index 93328823749b99..0035bd07c34daf 100644
--- a/homeassistant/components/touchline_sl/climate.py
+++ b/homeassistant/components/touchline_sl/climate.py
@@ -7,6 +7,7 @@
 from homeassistant.components.climate import (
     ClimateEntity,
     ClimateEntityFeature,
+    HVACAction,
     HVACMode,
 )
 from homeassistant.const import ATTR_TEMPERATURE, UnitOfTemperature
@@ -41,6 +42,7 @@ class TouchlineSLZone(CoordinatorEntity[TouchlineSLModuleCoordinator], ClimateEn
     """Roth Touchline SL Zone."""
 
     _attr_has_entity_name = True
+    _attr_hvac_action = HVACAction.IDLE
     _attr_hvac_mode = HVACMode.HEAT
     _attr_hvac_modes = [HVACMode.HEAT]
     _attr_name = None
@@ -124,3 +126,16 @@ def set_attr(self) -> None:
         elif self.zone.mode == "globalSchedule":
             schedule = self.zone.schedule
             self._attr_preset_mode = schedule.name
+
+        if self.zone.algorithm == "heating":
+            self._attr_hvac_action = (
+                HVACAction.HEATING if self.zone.relay_on else HVACAction.IDLE
+            )
+            self._attr_hvac_mode = HVACMode.HEAT
+            self._attr_hvac_modes = [HVACMode.HEAT]
+        elif self.zone.algorithm == "cooling":
+            self._attr_hvac_action = (
+                HVACAction.COOLING if self.zone.relay_on else HVACAction.IDLE
+            )
+            self._attr_hvac_mode = HVACMode.COOL
+            self._attr_hvac_modes = [HVACMode.COOL]