diff --git a/ESPtermostat.ino b/ESPtermostat.ino
index 8d7a27c..80add7d 100644
--- a/ESPtermostat.ino
+++ b/ESPtermostat.ino
@@ -71,9 +71,12 @@ void setup() {
 
   startConversion(); // First temp read
   tasker.setInterval(startConversion, 15000); // read temperature every 15 seconds
-  //tasker.setTimeout(relayLoop, 5000);
   tasker.setInterval(otaHandle, 1000);
 
+  if(THERMOSTAT){
+    tasker.setInterval(thermostatCheck, 1000);
+  }
+
 //========== Web server setup ==========
 
   if(METRICS_EXPORT){
@@ -160,12 +163,13 @@ void notFound(AsyncWebServerRequest *request) {
     request->send(404, "text/plain", "Not found");
 }
 
-//void relayLoop(){
-//  byte pin = RELAY_PIN;
-//  bool led = !digitalRead(pin);
-//  digitalWrite(pin, led);
-//  tasker.setTimeout(relayLoop, led ? 3000 : 7000);
-//}
+void thermostatCheck(){
+  if(temperature < (reqTemp - offset)){
+    digitalWrite(RELAY_PIN, true);
+  }else if(temperature > (reqTemp + offset)){
+    digitalWrite(RELAY_PIN, false);
+  }
+}
 
 void readSensor() {
     // read the actual temperature after it's been converted