diff --git a/homeassistant/components/bosch_shc/icons.json b/homeassistant/components/bosch_shc/icons.json
new file mode 100644
index 00000000000..0b1cb767054
--- /dev/null
+++ b/homeassistant/components/bosch_shc/icons.json
@@ -0,0 +1,20 @@
+{
+  "entity": {
+    "sensor": {
+      "purity": {
+        "default": "mdi:molecule-co2"
+      },
+      "communication_quality": {
+        "default": "mdi:wifi"
+      },
+      "valvetappet": {
+        "default": "mdi:gauge"
+      }
+    },
+    "switch": {
+      "routing": {
+        "default": "mdi:wifi"
+      }
+    }
+  }
+}
diff --git a/homeassistant/components/bosch_shc/sensor.py b/homeassistant/components/bosch_shc/sensor.py
index df216ed0ff2..c9c194bdc08 100644
--- a/homeassistant/components/bosch_shc/sensor.py
+++ b/homeassistant/components/bosch_shc/sensor.py
@@ -199,7 +199,6 @@ class PuritySensor(SHCEntity, SensorEntity):
     """Representation of an SHC purity reporting sensor."""
 
     _attr_translation_key = "purity"
-    _attr_icon = "mdi:molecule-co2"
     _attr_native_unit_of_measurement = CONCENTRATION_PARTS_PER_MILLION
 
     def __init__(self, device: SHCDevice, parent_id: str, entry_id: str) -> None:
@@ -256,7 +255,6 @@ class CommunicationQualitySensor(SHCEntity, SensorEntity):
     """Representation of an SHC communication quality reporting sensor."""
 
     _attr_translation_key = "communication_quality"
-    _attr_icon = "mdi:wifi"
 
     def __init__(self, device: SHCDevice, parent_id: str, entry_id: str) -> None:
         """Initialize an SHC communication quality reporting sensor."""
@@ -339,7 +337,6 @@ class EnergySensor(SHCEntity, SensorEntity):
 class ValveTappetSensor(SHCEntity, SensorEntity):
     """Representation of an SHC valve tappet reporting sensor."""
 
-    _attr_icon = "mdi:gauge"
     _attr_translation_key = "valvetappet"
     _attr_state_class = SensorStateClass.MEASUREMENT
     _attr_native_unit_of_measurement = PERCENTAGE
diff --git a/homeassistant/components/bosch_shc/switch.py b/homeassistant/components/bosch_shc/switch.py
index 03d3ba2f6a9..8e542c860d4 100644
--- a/homeassistant/components/bosch_shc/switch.py
+++ b/homeassistant/components/bosch_shc/switch.py
@@ -199,7 +199,6 @@ class SHCSwitch(SHCEntity, SwitchEntity):
 class SHCRoutingSwitch(SHCEntity, SwitchEntity):
     """Representation of a SHC routing switch."""
 
-    _attr_icon = "mdi:wifi"
     _attr_translation_key = "routing"
     _attr_entity_category = EntityCategory.CONFIG