diff --git a/homeassistant/components/refoss/bridge.py b/homeassistant/components/refoss/bridge.py
index 82cc2540f6c..11e92620fbb 100644
--- a/homeassistant/components/refoss/bridge.py
+++ b/homeassistant/components/refoss/bridge.py
@@ -9,7 +9,7 @@ from refoss_ha.discovery import Discovery, Listener
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.dispatcher import async_dispatcher_send
 
-from .const import COORDINATORS, DISPATCH_DEVICE_DISCOVERED, DOMAIN
+from .const import _LOGGER, COORDINATORS, DISPATCH_DEVICE_DISCOVERED, DOMAIN
 from .coordinator import RefossDataUpdateCoordinator
 
 
@@ -36,11 +36,21 @@ class DiscoveryService(Listener):
         self.hass.data[DOMAIN][COORDINATORS].append(coordo)
         await coordo.async_refresh()
 
+        _LOGGER.debug(
+            "Discover new device: %s, ip: %s",
+            device_info.dev_name,
+            device_info.inner_ip,
+        )
         async_dispatcher_send(self.hass, DISPATCH_DEVICE_DISCOVERED, coordo)
 
     async def device_update(self, device_info: DeviceInfo) -> None:
         """Handle updates in device information, update if ip has changed."""
         for coordinator in self.hass.data[DOMAIN][COORDINATORS]:
             if coordinator.device.device_info.mac == device_info.mac:
+                _LOGGER.debug(
+                    "Update device %s ip to %s",
+                    device_info.dev_name,
+                    device_info.inner_ip,
+                )
                 coordinator.device.device_info.inner_ip = device_info.inner_ip
                 await coordinator.async_refresh()
diff --git a/homeassistant/components/refoss/config_flow.py b/homeassistant/components/refoss/config_flow.py
index fe33cefc1bd..5b667940731 100644
--- a/homeassistant/components/refoss/config_flow.py
+++ b/homeassistant/components/refoss/config_flow.py
@@ -5,7 +5,7 @@ from __future__ import annotations
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import config_entry_flow
 
-from .const import DISCOVERY_TIMEOUT, DOMAIN
+from .const import _LOGGER, DISCOVERY_TIMEOUT, DOMAIN
 from .util import refoss_discovery_server
 
 
@@ -14,6 +14,9 @@ async def _async_has_devices(hass: HomeAssistant) -> bool:
 
     refoss_discovery = await refoss_discovery_server(hass)
     devices = await refoss_discovery.broadcast_msg(wait_for=DISCOVERY_TIMEOUT)
+    _LOGGER.debug(
+        "Discovered devices: [%s]", ", ".join([info.dev_name for info in devices])
+    )
     return len(devices) > 0
 
 
diff --git a/homeassistant/components/refoss/const.py b/homeassistant/components/refoss/const.py
index 851f8ba8f77..62db733ece5 100644
--- a/homeassistant/components/refoss/const.py
+++ b/homeassistant/components/refoss/const.py
@@ -11,7 +11,7 @@ COORDINATORS = "coordinators"
 DATA_DISCOVERY_SERVICE = "refoss_discovery"
 
 DISCOVERY_SCAN_INTERVAL = 30
-DISCOVERY_TIMEOUT = 8
+DISCOVERY_TIMEOUT = 20
 DISPATCH_DEVICE_DISCOVERED = "refoss_device_discovered"
 DISPATCHERS = "dispatchers"
 
diff --git a/homeassistant/components/refoss/coordinator.py b/homeassistant/components/refoss/coordinator.py
index 8b03313d6d6..929d1b3962b 100644
--- a/homeassistant/components/refoss/coordinator.py
+++ b/homeassistant/components/refoss/coordinator.py
@@ -34,6 +34,11 @@ class RefossDataUpdateCoordinator(DataUpdateCoordinator[None]):
             self.last_update_success = True
             self._error_count = 0
         except DeviceTimeoutError:
+            _LOGGER.debug(
+                "Update device %s status timeout,ip: %s",
+                self.device.dev_name,
+                self.device.inner_ip,
+            )
             self._error_count += 1
 
             if self._error_count >= MAX_ERRORS:
diff --git a/homeassistant/components/refoss/entity.py b/homeassistant/components/refoss/entity.py
index 502101608ec..662b7c89376 100644
--- a/homeassistant/components/refoss/entity.py
+++ b/homeassistant/components/refoss/entity.py
@@ -23,5 +23,7 @@ class RefossEntity(CoordinatorEntity[RefossDataUpdateCoordinator]):
             connections={(CONNECTION_NETWORK_MAC, mac)},
             identifiers={(DOMAIN, mac)},
             manufacturer="Refoss",
+            sw_version=coordinator.device.fmware_version,
+            hw_version=coordinator.device.hdware_version,
             name=coordinator.device.dev_name,
         )
diff --git a/homeassistant/components/refoss/manifest.json b/homeassistant/components/refoss/manifest.json
index da7050433f3..93ffe5b3f26 100644
--- a/homeassistant/components/refoss/manifest.json
+++ b/homeassistant/components/refoss/manifest.json
@@ -5,5 +5,6 @@
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/refoss",
   "iot_class": "local_polling",
-  "requirements": ["refoss-ha==1.2.5"]
+  "requirements": ["refoss-ha==1.2.5"],
+  "single_config_entry": true
 }
diff --git a/homeassistant/components/refoss/sensor.py b/homeassistant/components/refoss/sensor.py
index 26454cae48d..7065470657f 100644
--- a/homeassistant/components/refoss/sensor.py
+++ b/homeassistant/components/refoss/sensor.py
@@ -27,6 +27,7 @@ from homeassistant.helpers.typing import StateType
 
 from .bridge import RefossDataUpdateCoordinator
 from .const import (
+    _LOGGER,
     CHANNEL_DISPLAY_NAME,
     COORDINATORS,
     DISPATCH_DEVICE_DISCOVERED,
@@ -143,6 +144,7 @@ async def async_setup_entry(
             for channel in device.channels
             for description in descriptions
         )
+        _LOGGER.debug("Device %s add sensor entity success", device.dev_name)
 
     for coordinator in hass.data[DOMAIN][COORDINATORS]:
         init_device(coordinator)
diff --git a/homeassistant/components/refoss/switch.py b/homeassistant/components/refoss/switch.py
index 0f5aba0cfc4..aed132ecc3a 100644
--- a/homeassistant/components/refoss/switch.py
+++ b/homeassistant/components/refoss/switch.py
@@ -13,7 +13,7 @@ from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
 from .bridge import RefossDataUpdateCoordinator
-from .const import COORDINATORS, DISPATCH_DEVICE_DISCOVERED, DOMAIN
+from .const import _LOGGER, COORDINATORS, DISPATCH_DEVICE_DISCOVERED, DOMAIN
 from .entity import RefossEntity
 
 
@@ -37,6 +37,7 @@ async def async_setup_entry(
             new_entities.append(entity)
 
         async_add_entities(new_entities)
+        _LOGGER.debug("Device %s add switch entity success", device.dev_name)
 
     for coordinator in hass.data[DOMAIN][COORDINATORS]:
         init_device(coordinator)
diff --git a/homeassistant/generated/integrations.json b/homeassistant/generated/integrations.json
index 8343b7fde9d..41a20a4e723 100644
--- a/homeassistant/generated/integrations.json
+++ b/homeassistant/generated/integrations.json
@@ -5149,7 +5149,8 @@
       "name": "Refoss",
       "integration_type": "hub",
       "config_flow": true,
-      "iot_class": "local_polling"
+      "iot_class": "local_polling",
+      "single_config_entry": true
     },
     "rejseplanen": {
       "name": "Rejseplanen",