diff --git a/lab3/src/main/java/ru/spbstu/telematics/java/App.java b/lab3/src/main/java/ru/spbstu/telematics/java/App.java
index 146e6f7..47f0751 100644
--- a/lab3/src/main/java/ru/spbstu/telematics/java/App.java
+++ b/lab3/src/main/java/ru/spbstu/telematics/java/App.java
@@ -1,13 +1,11 @@
 package ru.spbstu.telematics.java;
 
-/**
- * Hello world!
- *
- */
-public class App 
-{
-    public static void main( String[] args )
-    {
-        System.out.println( "Hello World!" );
+public class App {
+    public static void main(String[] args) {
+        Room room = new Room();
+        Settings settings = new Settings(28, 0.4);
+        Controller controller = new Controller(room, settings);
+        Thread controllerThread = new Thread(controller);
+        controllerThread.start();
     }
 }
diff --git a/lab3/src/main/java/ru/spbstu/telematics/java/Controller.java b/lab3/src/main/java/ru/spbstu/telematics/java/Controller.java
index 1f43419..3eaab87 100644
--- a/lab3/src/main/java/ru/spbstu/telematics/java/Controller.java
+++ b/lab3/src/main/java/ru/spbstu/telematics/java/Controller.java
@@ -7,14 +7,62 @@ package ru.spbstu.telematics.java;
  * комнаты напрямую.
  */
 public class Controller implements Runnable {
-    private Room room;
     private Settings settings;
     private Sensor sensor;
+    private Thread sensorThread;
     private Heater heater;
+    private Thread heaterThread;
     private Fan fan;
+    private Thread fanThread;
+
+    public Controller(Room room, Settings settings) {
+        this.settings = settings;
+
+        sensor = new Sensor(room);
+        sensorThread = new Thread(sensor);
+
+        heater = new Heater(room);
+        heaterThread = new Thread(heater);
+
+        fan = new Fan(room);
+        fanThread = new Thread(fan);
+    }
+
+    private long updateIntervalMs = 500;
+    private double tolerance = 0.01;
 
     @Override
     public void run() {
+        sensorThread.start();
+        heaterThread.start();
+        fanThread.start();
 
+        while (!Thread.interrupted()) {
+            if (sensor.getTemperature() < settings.getTemperature() * (1 - tolerance)) {
+                heater.turnOn();
+            } else {
+                heater.turnOff();
+            }
+
+            if (sensor.getHumidity() > settings.getHumidity() * (1 + tolerance)) {
+                fan.turnOn();
+            } else {
+                fan.turnOff();
+            }
+
+            Utils.sleep(updateIntervalMs);
+        }
+
+        sensorThread.interrupt();
+        heaterThread.interrupt();
+        fanThread.interrupt();
+
+        try {
+            sensorThread.join();
+            heaterThread.join();
+            fanThread.join();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
     }
 }