diff --git a/src/index.ts b/src/index.ts
index 863b295..d7dfbea 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -21,26 +21,33 @@ import fetch from 'node-fetch';
 import { request } from 'graphql-request';
 import getSensorDataQuery from './queries/getSensorData';
 
-const PORT = process.env.PORT || 3000;
+const PORT = parseInt(process.env.PORT) || 3000;
 const SET_POINT = parseFloat(process.env.SET_POINT);
 const USERNAME = process.env.USERNAME;
 const PASSWORD = process.env.PASSWORD;
 const NOTIF_URL = process.env.NOTIF_URL;
 const MESSAGE = process.env.MESSAGE;
 const GRAPHQL_URL = process.env.GRAPHQL_URL;
+const TICK_THRESHOLD = parseInt(process.env.TICK_THRESHOLD ?? '15');	
 const SLEEP_TIMER = 1000;
 
+let numberOfTicks = 0;
+
 async function temperatoTick() {
     try {
         const response = await request(GRAPHQL_URL, getSensorDataQuery);
         
 	if (response.getSensorData.temperato >= SET_POINT) {
-            const basicAuth = Buffer.from(`${USERNAME}:${PASSWORD}`).toString('base64');
-            await fetch(NOTIF_URL, {
-                method: 'post',
-                body: `{"message": "${MESSAGE}"}`,
-                headers: { 'Content-Type': 'application/json', 'Authorization': `Basic ${basicAuth}` },
-            });
+            numberOfTicks++;
+            if (numberOfTicks == TICK_THRESHOLD) {
+		    numberOfTicks = 0;
+                const basicAuth = Buffer.from(`${USERNAME}:${PASSWORD}`).toString('base64');
+                await fetch(NOTIF_URL, {
+                    method: 'post',
+                    body: `{"message": "${MESSAGE}"}`,
+                    headers: { 'Content-Type': 'application/json', 'Authorization': `Basic ${basicAuth}` },
+                });
+	    }
         }
     } catch (e) {
         console.error(e);