diff --git a/homeassistant/components/nam/__init__.py b/homeassistant/components/nam/__init__.py
index 98152956fb5..094c286b931 100644
--- a/homeassistant/components/nam/__init__.py
+++ b/homeassistant/components/nam/__init__.py
@@ -42,7 +42,7 @@ from .const import (
 
 _LOGGER = logging.getLogger(__name__)
 
-PLATFORMS = ["sensor"]
+PLATFORMS = ["button", "sensor"]
 
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
diff --git a/homeassistant/components/nam/button.py b/homeassistant/components/nam/button.py
new file mode 100644
index 00000000000..3a205606ccc
--- /dev/null
+++ b/homeassistant/components/nam/button.py
@@ -0,0 +1,58 @@
+"""Support for the Nettigo Air Monitor service."""
+from __future__ import annotations
+
+import logging
+
+from homeassistant.components.button import ButtonEntity, ButtonEntityDescription
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import ENTITY_CATEGORY_CONFIG
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from . import NAMDataUpdateCoordinator
+from .const import DEFAULT_NAME, DOMAIN
+
+PARALLEL_UPDATES = 1
+
+_LOGGER = logging.getLogger(__name__)
+
+RESTART_BUTTON: ButtonEntityDescription = ButtonEntityDescription(
+    key="restart",
+    name=f"{DEFAULT_NAME} Restart",
+    icon="mdi:restart",
+    entity_category=ENTITY_CATEGORY_CONFIG,
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+) -> None:
+    """Add a Nettigo Air Monitor entities from a config_entry."""
+    coordinator: NAMDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+
+    buttons: list[NAMButton] = []
+    buttons.append(NAMButton(coordinator, RESTART_BUTTON))
+
+    async_add_entities(buttons, False)
+
+
+class NAMButton(CoordinatorEntity, ButtonEntity):
+    """Define an Nettigo Air Monitor button."""
+
+    coordinator: NAMDataUpdateCoordinator
+
+    def __init__(
+        self,
+        coordinator: NAMDataUpdateCoordinator,
+        description: ButtonEntityDescription,
+    ) -> None:
+        """Initialize."""
+        super().__init__(coordinator)
+        self._attr_device_info = coordinator.device_info
+        self._attr_unique_id = f"{coordinator.unique_id}-{description.key}"
+        self.entity_description = description
+
+    async def async_press(self) -> None:
+        """Triggers the restart."""
+        await self.coordinator.nam.async_restart()
diff --git a/tests/components/nam/test_button.py b/tests/components/nam/test_button.py
new file mode 100644
index 00000000000..7cd731e7584
--- /dev/null
+++ b/tests/components/nam/test_button.py
@@ -0,0 +1,48 @@
+"""Test button of Nettigo Air Monitor integration."""
+from unittest.mock import patch
+
+from homeassistant.components.button import DOMAIN as BUTTON_DOMAIN
+from homeassistant.const import ATTR_ENTITY_ID, ATTR_ICON, STATE_UNKNOWN
+from homeassistant.helpers import entity_registry as er
+from homeassistant.util import dt as dt_util
+
+from tests.components.nam import init_integration
+
+
+async def test_button(hass):
+    """Test states of the button."""
+    registry = er.async_get(hass)
+
+    await init_integration(hass)
+
+    state = hass.states.get("button.nettigo_air_monitor_restart")
+    assert state
+    assert state.state == STATE_UNKNOWN
+    assert state.attributes.get(ATTR_ICON) == "mdi:restart"
+
+    entry = registry.async_get("button.nettigo_air_monitor_restart")
+    assert entry
+    assert entry.unique_id == "aa:bb:cc:dd:ee:ff-restart"
+
+
+async def test_button_press(hass):
+    """Test button press."""
+    await init_integration(hass)
+
+    now = dt_util.utcnow()
+    with patch(
+        "homeassistant.components.nam.NettigoAirMonitor.async_restart"
+    ) as mock_restart, patch("homeassistant.core.dt_util.utcnow", return_value=now):
+        await hass.services.async_call(
+            BUTTON_DOMAIN,
+            "press",
+            {ATTR_ENTITY_ID: "button.nettigo_air_monitor_restart"},
+            blocking=True,
+        )
+        await hass.async_block_till_done()
+
+    mock_restart.assert_called_once()
+
+    state = hass.states.get("button.nettigo_air_monitor_restart")
+    assert state
+    assert state.state == now.isoformat()