diff --git a/lab3/src/main/java/ru/spbstu/telematics/java/Fan.java b/lab3/src/main/java/ru/spbstu/telematics/java/Fan.java
index f71d2d7..147c6bc 100644
--- a/lab3/src/main/java/ru/spbstu/telematics/java/Fan.java
+++ b/lab3/src/main/java/ru/spbstu/telematics/java/Fan.java
@@ -28,8 +28,8 @@ public class Fan implements Runnable {
     }
 
     private Random random = new Random();
-    private double humidityMaxStep = 0.03;
-    private long maxStepTimeMs = 3000;
+    private double humidityMaxStep = 0.005;
+    private long maxStepTimeMs = 500;
 
     @Override
     public void run() {
diff --git a/lab3/src/main/java/ru/spbstu/telematics/java/Heater.java b/lab3/src/main/java/ru/spbstu/telematics/java/Heater.java
index e60e5ec..36a9236 100644
--- a/lab3/src/main/java/ru/spbstu/telematics/java/Heater.java
+++ b/lab3/src/main/java/ru/spbstu/telematics/java/Heater.java
@@ -28,8 +28,8 @@ public class Heater implements Runnable {
     }
 
     private Random random = new Random();
-    private double temperatureMaxStep = 1;
-    private long maxStepTimeMs = 3000;
+    private double temperatureMaxStep = 0.25;
+    private long maxStepTimeMs = 500;
 
     @Override
     public void run() {
diff --git a/lab3/src/main/java/ru/spbstu/telematics/java/Room.java b/lab3/src/main/java/ru/spbstu/telematics/java/Room.java
index 11b3ae5..95eec01 100644
--- a/lab3/src/main/java/ru/spbstu/telematics/java/Room.java
+++ b/lab3/src/main/java/ru/spbstu/telematics/java/Room.java
@@ -39,9 +39,9 @@ public class Room implements Runnable {
 
     // Параметры произвольного изменения температуры и влажности в комнате
     private Random random = new Random();
-    private double temperatureMaxStep = 1;
-    private double humidityMaxStep = 0.05;
-    private long maxStepTimeMs = 3000;
+    private double temperatureMaxStep = 0.12; // примерно 0.5% от средних значений
+    private double humidityMaxStep = 0.003;
+    private long maxStepTimeMs = 500;
 
     @Override
     public void run() {