diff --git a/monitor/main.cpp b/monitor/main.cpp
index e468bac..6d51fbb 100644
--- a/monitor/main.cpp
+++ b/monitor/main.cpp
@@ -13,9 +13,51 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#include <phosphor-logging/log.hpp>
+#include <sdbusplus/bus.hpp>
+#include "fan.hpp"
+#include "fan_defs.hpp"
 
+using namespace phosphor::fan::monitor;
+using namespace phosphor::logging;
+
+
+void EventDeleter(sd_event* event)
+{
+    sd_event_unref(event);
+}
 
 int main()
 {
-    return 0;
+    auto bus = sdbusplus::bus::new_default();
+    sd_event* events = nullptr;
+    std::vector<std::unique_ptr<Fan>> fans;
+
+    auto r = sd_event_default(&events);
+    if (r < 0)
+    {
+        log<level::ERR>("Failed call to sd_event_default()",
+                        entry("ERROR=%s", strerror(-r)));
+        return -1;
+    }
+
+    std::shared_ptr<sd_event> eventPtr{events, EventDeleter};
+
+    //Attach the event object to the bus object so we can
+    //handle both sd_events (for the timers) and dbus signals.
+    bus.attach_event(eventPtr.get(), SD_EVENT_PRIORITY_NORMAL);
+
+    for (const auto& fanDef : fanDefinitions)
+    {
+        fans.emplace_back(std::make_unique<Fan>(bus, eventPtr, fanDef));
+    }
+
+    r = sd_event_loop(eventPtr.get());
+    if (r < 0)
+    {
+        log<level::ERR>("Failed call to sd_event_loop",
+                        entry("ERROR=%s", strerror(-r)));
+    }
+
+    return -1;
 }