diff --git a/interface/src/project/GeneralInformation.tsx b/interface/src/project/GeneralInformation.tsx
index 91c976d..c161693 100644
--- a/interface/src/project/GeneralInformation.tsx
+++ b/interface/src/project/GeneralInformation.tsx
@@ -4,6 +4,7 @@ import {FormButton, restController, RestControllerProps, RestFormLoader, Section
 import {ENDPOINT_ROOT} from "../api";
 import {GeneralInformaitonState} from "./types";
 import RefreshIcon from "@material-ui/icons/Refresh";
+import {getRealTimeString, stringifyTime} from "./Time";
 
 // define api endpoint
 export const GENERALINFORMATION_SETTINGS_ENDPOINT = ENDPOINT_ROOT + "generalinfo";
@@ -11,16 +12,10 @@ export const GENERALINFORMATION_SETTINGS_ENDPOINT = ENDPOINT_ROOT + "generalinfo
 type GeneralInformationRestControllerProps = RestControllerProps<GeneralInformaitonState>;
 
 class GeneralInformation extends Component<GeneralInformationRestControllerProps> {
-    intervalhandler: number | undefined;
-
     componentDidMount() {
         this.props.loadData();
     }
 
-    componentWillUnmount() {
-        clearInterval(this.intervalhandler);
-    }
-
     render() {
         return (
             <SectionContent title='Information' titleGutter>
@@ -32,35 +27,34 @@ class GeneralInformation extends Component<GeneralInformationRestControllerProps
                                 <ListItem>
                                     <ListItemText
                                         primary="Chip läuft seit:"
-                                        secondary={this.stringifyTime(props.data.runtime) + ' / ' + this.getRealTimeString(props.data.runtime)}
+                                        secondary={<>{stringifyTime(props.data.runtime)}
+                                            <br/> {getRealTimeString(props.data.runtime)}</>}
                                     />
                                 </ListItem>
                                 <ListItem>
                                     <ListItemText
                                         primary="Zuletzt zu wenig Wasser:"
-                                        secondary={props.data.lastWaterOutage !== 0 ? "vor " +
-                                            this.stringifyTime(props.data.lastWaterOutage) + ' / ' +
-                                            this.getRealTimeString(props.data.lastWaterOutage) : "noch nie!"}
+                                        secondary={props.data.lastWaterOutage !== 0 ?
+                                            <>
+                                                vor {stringifyTime(props.data.lastWaterOutage)}<br/>
+                                                {getRealTimeString(props.data.lastWaterOutage)}
+                                            </> : "noch nie!"}
                                     />
                                 </ListItem>
                                 <ListItem>
                                     <ListItemText
                                         primary="Letzer Pumpenzyklus"
-                                        secondary={props.data.lastpumptime !== 0 ? "vor " +
-                                            this.stringifyTime(props.data.lastpumptime) + ' / ' +
-                                            this.getRealTimeString(props.data.lastpumptime) : "noch nie!"}
+                                        secondary={props.data.lastpumptime !== 0 ?
+                                            <>
+                                                vor {stringifyTime(props.data.lastpumptime)}<br/>
+                                                {getRealTimeString(props.data.lastpumptime)}
+                                            </> : "noch nie!"}
                                     />
                                 </ListItem>
                                 <ListItem>
                                     <ListItemText
                                         primary="Letze Pumpdauer:"
-                                        secondary={props.data.lastPumpDuration !== 0 ? this.stringifyTime(props.data.lastPumpDuration) : "-"}
-                                    />
-                                </ListItem>
-                                <ListItem>
-                                    <ListItemText
-                                        primary="Temperatur/Luftfeuchtigkeit:"
-                                        secondary={(props.data.temp !== -1 ? props.data.temp + "C" : "Auslesefehler!") + " / " + (props.data.hum !== -1 ? props.data.hum + "%" : "Auslesefehler!")}
+                                        secondary={props.data.lastPumpDuration !== 0 ? stringifyTime(props.data.lastPumpDuration) : "-"}
                                     />
                                 </ListItem>
                                 <ListItem>
@@ -87,40 +81,6 @@ class GeneralInformation extends Component<GeneralInformationRestControllerProps
             </SectionContent>
         );
     }
-
-    /**
-     * stringify seconds to a pretty format
-     * @param sec number of seconds
-     */
-    private stringifyTime(sec: number): string {
-        if (sec >= 86400) {
-            // display days
-            return (Math.trunc(sec / 86400) + "d " + Math.trunc((sec % 86400) / 3600) + "h " + Math.trunc((sec % 3600) / 60) + "min " + sec % 60 + "sec");
-        } else if (sec >= 3600) {
-            // display hours
-            return (Math.trunc(sec / 3600) + "h " + Math.trunc((sec % 3600) / 60) + "min " + sec % 60 + "sec");
-        } else if (sec >= 60) {
-            // only seconds and minutes
-            return (Math.trunc(sec / 60) + "min " + sec % 60 + "sec");
-        } else {
-            // only seconds
-            return (sec + "sec");
-        }
-    }
-
-    private getRealTimeString(runtime: number): string {
-        const timestamp = Date.now();
-
-        const a = new Date(timestamp - (runtime * 1000));
-        const months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
-        const year = a.getFullYear();
-        const month = months[a.getMonth()];
-        const date = a.getDate();
-        const hour = a.getHours();
-        const min = "0" + a.getMinutes();
-        const sec = "0" + a.getSeconds();
-        return '[' + date + ' ' + month + ' ' + year + ' ' + hour + ':' + min.substr(-2) + ':' + sec.substr(-2) + ']';
-    }
 }
 
 export default restController(GENERALINFORMATION_SETTINGS_ENDPOINT, GeneralInformation);
diff --git a/interface/src/project/HeatingInformation.tsx b/interface/src/project/HeatingInformation.tsx
new file mode 100644
index 0000000..5772138
--- /dev/null
+++ b/interface/src/project/HeatingInformation.tsx
@@ -0,0 +1,64 @@
+import React from "react";
+import {FormButton, restController, RestControllerProps, RestFormLoader, SectionContent} from "../components";
+import {ENDPOINT_ROOT} from "../api";
+import {Box, List, ListItem, ListItemText} from "@material-ui/core";
+import RefreshIcon from "@material-ui/icons/Refresh";
+import {getRealTimeString, stringifyTime} from "./Time";
+import {HeatingInformationState} from "./types";
+
+// define api endpoint
+export const HEATING_ENDPOINT = ENDPOINT_ROOT + "heatinginfo";
+
+type HeatingRestcontollerprops = RestControllerProps<HeatingInformationState>;
+
+class HeatingInformation extends React.Component<HeatingRestcontollerprops> {
+    componentDidMount() {
+        this.props.loadData();
+    }
+
+    render = () => (
+        <SectionContent title='Heizung Information' titleGutter>
+            <RestFormLoader
+                {...this.props}
+                render={props => (
+                    <>
+                        <List>
+                            <ListItem>
+                                <ListItemText
+                                    primary="Heizung lief zuletzt:"
+                                    secondary={props.data.lastheating !== 0 ?
+                                        <>
+                                            vor {stringifyTime(props.data.lastheating)}<br/>
+                                            {getRealTimeString(props.data.lastheating)}
+                                        </> : "noch nie!"}
+                                />
+                            </ListItem>
+                            <ListItem>
+                                <ListItemText
+                                    primary="Letze Heizdauer:"
+                                    secondary={props.data.lastheatduration === 0 ? "-" : props.data.lastheatduration === -1 ? "läuft gerade!" : stringifyTime(props.data.lastheatduration)}
+                                />
+                            </ListItem>
+                            <ListItem>
+                                <ListItemText
+                                    primary="Temperatur/Luftfeuchtigkeit:"
+                                    secondary={(props.data.temp !== -1 ? props.data.temp + "C" : "Auslesefehler!") + " / " + (props.data.hum !== -1 ? props.data.hum + "%" : "Auslesefehler!")}
+                                />
+                            </ListItem>
+                        </List>
+                        <Box display="flex" flexWrap="wrap">
+                            <Box flexGrow={1} padding={1}>
+                                <FormButton startIcon={<RefreshIcon/>} variant="contained" color="secondary"
+                                            onClick={this.props.loadData}>
+                                    Refresh
+                                </FormButton>
+                            </Box>
+                        </Box>
+                    </>
+                )}
+            />
+        </SectionContent>
+    );
+}
+
+export default restController(HEATING_ENDPOINT, HeatingInformation);
\ No newline at end of file
diff --git a/interface/src/project/PumpControl.tsx b/interface/src/project/PumpControl.tsx
index 204e812..74abc34 100644
--- a/interface/src/project/PumpControl.tsx
+++ b/interface/src/project/PumpControl.tsx
@@ -9,6 +9,7 @@ import { AuthenticatedRoute } from '../authentication';
 
 import GeneralInformation from './GeneralInformation';
 import SettingsController from "./SettingsController";
+import HeatingInformation from "./HeatingInformation";
 
 class PumpControl extends Component<RouteComponentProps> {
 
@@ -21,10 +22,12 @@ class PumpControl extends Component<RouteComponentProps> {
       <MenuAppBar sectionTitle="Wasserpumpensteuerung">
         <Tabs value={this.props.match.url} onChange={this.handleTabChange} variant="fullWidth">
           <Tab value={`/${PROJECT_PATH}/pumpe/information`} label="Information" />
+            <Tab value={`/${PROJECT_PATH}/pumpe/heizung`} label="Heizung" />
           <Tab value={`/${PROJECT_PATH}/pumpe/settings`} label="Einstellungen" />
         </Tabs>
         <Switch>
           <AuthenticatedRoute exact path={`/${PROJECT_PATH}/pumpe/information`} component={GeneralInformation} />
+            <AuthenticatedRoute exact path={`/${PROJECT_PATH}/pumpe/heizung`} component={HeatingInformation} />
           <AuthenticatedRoute exact path={`/${PROJECT_PATH}/pumpe/settings`} component={SettingsController} />
           <Redirect to={`/${PROJECT_PATH}/pumpe/information`} />
         </Switch>
diff --git a/interface/src/project/Time.ts b/interface/src/project/Time.ts
new file mode 100644
index 0000000..51a6440
--- /dev/null
+++ b/interface/src/project/Time.ts
@@ -0,0 +1,33 @@
+/**
+ * stringify seconds to a pretty format
+ * @param sec number of seconds
+ */
+export function stringifyTime(sec: number): string {
+    if (sec >= 86400) {
+        // display days
+        return (Math.trunc(sec / 86400) + "d " + Math.trunc((sec % 86400) / 3600) + "h " + Math.trunc((sec % 3600) / 60) + "min " + sec % 60 + "sec");
+    } else if (sec >= 3600) {
+        // display hours
+        return (Math.trunc(sec / 3600) + "h " + Math.trunc((sec % 3600) / 60) + "min " + sec % 60 + "sec");
+    } else if (sec >= 60) {
+        // only seconds and minutes
+        return (Math.trunc(sec / 60) + "min " + sec % 60 + "sec");
+    } else {
+        // only seconds
+        return (sec + "sec");
+    }
+}
+
+export function getRealTimeString(runtime: number): string {
+    const timestamp = Date.now();
+
+    const a = new Date(timestamp - (runtime * 1000));
+    const months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+    const year = a.getFullYear();
+    const month = months[a.getMonth()];
+    const date = a.getDate();
+    const hour = a.getHours();
+    const min = "0" + a.getMinutes();
+    const sec = "0" + a.getSeconds();
+    return '[' + date + ' ' + month + ' ' + year + ' ' + hour + ':' + min.substr(-2) + ':' + sec.substr(-2) + ']';
+}
\ No newline at end of file
diff --git a/interface/src/project/types.ts b/interface/src/project/types.ts
index 460dd62..5153a22 100644
--- a/interface/src/project/types.ts
+++ b/interface/src/project/types.ts
@@ -7,8 +7,6 @@ export interface SettingsState {
 }
 
 export interface GeneralInformaitonState {
-  hum: number;
-  temp: number;
   lastpumptime: number;
   lastWaterOutage: number;
   lastPumpDuration: number;
@@ -17,3 +15,11 @@ export interface GeneralInformaitonState {
   pressuresensor: boolean;
   version: string;
 }
+
+export interface HeatingInformationState {
+  lastheating: number;
+  lastheatduration: number;
+  hum: number;
+  temp: number;
+
+}
diff --git a/src/GeneralInfoService.cpp b/src/GeneralInfoService.cpp
index 7062e40..f20a9d0 100644
--- a/src/GeneralInfoService.cpp
+++ b/src/GeneralInfoService.cpp
@@ -6,9 +6,7 @@
 #include "Pins.h"
 #include "Timer.h"
 
-GeneralInfoService::GeneralInfoService(AsyncWebServer *server, float *lasthum, float *lasttemp) :
-        hum(lasthum),
-        temp(lasttemp),
+GeneralInfoService::GeneralInfoService(AsyncWebServer *server) :
         lastPumpTime(0),
         lastWaterOutage(0),
         lastPumpDuration(0) {
@@ -19,9 +17,6 @@ void GeneralInfoService::reply(AsyncWebServerRequest *request) {
     AsyncJsonResponse *response = new AsyncJsonResponse(false, MAX_FEATURES_SIZE);
     JsonObject root = response->getRoot();
 
-    root["temp"] = *temp;
-    root["hum"] = *hum;
-
     const uint32_t systime = Timer::getSystemSeconds();
 
     root["lastpumptime"] = lastPumpTime != 0 ? systime - lastPumpTime : 0;
diff --git a/src/GeneralInfoService.h b/src/GeneralInfoService.h
index b2947d1..371234f 100644
--- a/src/GeneralInfoService.h
+++ b/src/GeneralInfoService.h
@@ -17,7 +17,7 @@
 
 class GeneralInfoService {
 public:
-    GeneralInfoService(AsyncWebServer* server, float* lasthum, float* lasttemp);
+    GeneralInfoService(AsyncWebServer* server);
 
     /**
      * sets the last time when the pump was on
@@ -40,9 +40,6 @@ public:
 private:
     void reply(AsyncWebServerRequest* request);
 
-    float * hum;
-    float * temp;
-
     unsigned long lastPumpTime, lastWaterOutage, lastPumpDuration;
 
 };
diff --git a/src/Heating.cpp b/src/Heating.cpp
index fa0f1af..9d8e300 100644
--- a/src/Heating.cpp
+++ b/src/Heating.cpp
@@ -4,18 +4,21 @@
 
 #include "Heating.h"
 #include "Pins.h"
+#include "Timer.h"
 
 Heating::Heating() : mHeizungTicker(),
                      mLuefterTicker(),
                      mTurnOffTicker(),
                      msettings(nullptr),
-                     mHeatingStatus(),
+                     mheatingservice(nullptr),
+                     mHeatingStatus(false),
                      lasttemp(0),
                      lasthum(0),
                      sensor() {}
 
-void Heating::init(unsigned mode, const SettingState *settings) {
+void Heating::init(unsigned mode, const SettingState *settings, HeatingInfoService *heatingservice) {
     msettings = settings;
+    mheatingservice = heatingservice;
 
     switch (mode) {
         case TIME: {
@@ -27,11 +30,13 @@ void Heating::init(unsigned mode, const SettingState *settings) {
 
             sensor.setPin(TempSensorPin);
 
-            sensor.onData([this, settings](float hum, float temp) {
-                schedule_function([hum, temp, settings, this]() {
+            sensor.onData([this](float hum, float temp) {
+                schedule_function([hum, temp, this]() {
                     Serial.printf("Temp: %gdegC\n", temp);
                     Serial.printf("Humid: %g%%\n", hum);
 
+                    mheatingservice->setSensorData(hum, temp);
+
                     this->lasttemp = temp;
                     this->lasthum = hum;
 
@@ -43,8 +48,10 @@ void Heating::init(unsigned mode, const SettingState *settings) {
                 this->lasttemp = -1.0;
                 this->lasthum = -1.0;
 
+                mheatingservice->setSensorData(-1.0, -1.0);
+
                 // emergency turnoff of heating
-                if(mHeatingStatus){
+                if (mHeatingStatus) {
                     digitalWrite(HeizungPin, LOW);
                 }
 
@@ -63,39 +70,41 @@ void Heating::init(unsigned mode, const SettingState *settings) {
     }
 }
 
-float *Heating::getLastTemp() {
-    return &lasttemp;
-}
-
-float *Heating::getLastHum() {
-    return &lasthum;
-}
-
 void Heating::handleHeatingEvents() {
     if (this->lasthum > (float) msettings->heatUp) {
-        // turn off active turnoff timers
-        mLuefterTicker.detach();
-        Serial.println("heating should run now!");
-        // turn on heating and fan
-        digitalWrite(LuefterPin, HIGH);
-        digitalWrite(HeizungPin, HIGH);
-        mHeatingStatus = true;
+        // only turn on if turned off
+        if (mHeatingStatus == false) {
+            // turn off active turnoff timers
+            mLuefterTicker.detach();
+            Serial.println("heating should run now!");
+            // turn on heating and fan
+            digitalWrite(LuefterPin, HIGH);
+            digitalWrite(HeizungPin, HIGH);
+
+            mHeatingStatus = true;
+            mheatingservice->setLastHeatingStarttime(Timer::getSystemSeconds());
+
+            mheatingservice->setLastHetingEndtime(0);
+        }
     } else if (this->lasthum < (float) msettings->heatLow) {
         // if humidity too low turn off heating and fan after 60secs
-        digitalWrite(HeizungPin, LOW);
-        Serial.println("heating should NOT run now!");
+        if (mHeatingStatus == true) {
+            digitalWrite(HeizungPin, LOW);
+            Serial.println("heating should NOT run now!");
 
-        // if heating status in on set ticker to turn of fan in 60sec
-        if (mHeatingStatus) {
-            mLuefterTicker.once((float) msettings->fanRuntime, []() {
-                // turn off fan
-                digitalWrite(LuefterPin, LOW);
-                schedule_function([]() {
-                    Serial.println("turning off fan");
+            // if heating status in on set ticker to turn of fan in 60sec
+            if (mHeatingStatus) {
+                mLuefterTicker.once((float) msettings->fanRuntime, []() {
+                    // turn off fan
+                    digitalWrite(LuefterPin, LOW);
+                    schedule_function([]() {
+                        Serial.println("turning off fan");
+                    });
                 });
-            });
+            }
+            mheatingservice->setLastHetingEndtime(Timer::getSystemSeconds());
+            mHeatingStatus = false;
         }
-        mHeatingStatus = false;
     }
 }
 
diff --git a/src/Heating.h b/src/Heating.h
index d238b3a..d4b5980 100644
--- a/src/Heating.h
+++ b/src/Heating.h
@@ -8,6 +8,7 @@
 #include <DHT.h>
 #include "Pins.h"
 #include "SettingsService.h"
+#include "HeatingInfoService.h"
 
 class Heating {
 public:
@@ -18,19 +19,7 @@ public:
      * @param mode select the operating mode
      * @param settings a settings object is needed for HUMIDITY mode to get percent values set by user
      */
-    void init(unsigned mode, const SettingState* settings);
-
-    /**
-     * get the last captured humidity value
-     * @return humidity value
-     */
-    float* getLastHum();
-
-    /**
-     * get the last captured temperature value
-     * @return temperature value
-     */
-    float* getLastTemp();
+    void init(unsigned mode, const SettingState* settings, HeatingInfoService *heatingservice);
 
     enum MODES {TIME, HUMIDITY};
 private:
@@ -39,6 +28,7 @@ private:
     Ticker mTurnOffTicker;
 
     const SettingState* msettings;
+    HeatingInfoService *mheatingservice;
 
     bool mHeatingStatus;
 
diff --git a/src/HeatingInfoService.cpp b/src/HeatingInfoService.cpp
new file mode 100644
index 0000000..35780be
--- /dev/null
+++ b/src/HeatingInfoService.cpp
@@ -0,0 +1,46 @@
+//
+// Created by lukas on 19.12.20.
+//
+
+#include <AsyncJson.h>
+#include "HeatingInfoService.h"
+#include "Timer.h"
+
+HeatingInfoService::HeatingInfoService(AsyncWebServer *server) :
+        hum(-1),
+        temp(-1),
+        lastheating(0),
+        lastheatend(0) {
+    server->on(HEATINGINFO_SERVICE_PATH, HTTP_GET, std::bind(&HeatingInfoService::reply, this, std::placeholders::_1));
+}
+
+void HeatingInfoService::reply(AsyncWebServerRequest *request) {
+    AsyncJsonResponse *response = new AsyncJsonResponse(false, MAX_FEATURES_SIZE);
+    JsonObject root = response->getRoot();
+
+    root["temp"] = temp;
+    root["hum"] = hum;
+
+    const uint32_t systime = Timer::getSystemSeconds();
+
+    root["lastheating"] = lastheating != 0 ? systime - lastheating : 0;
+    // if lastheating == 0 => there was no cycle upon now
+    // if lastheatend == 0 => heating is currently active
+    root["lastheatduration"] = lastheating == 0 ? 0 : lastheatend == 0 ? -1 : lastheatend - lastheating;
+
+    response->setLength();
+    request->send(response);
+}
+
+void HeatingInfoService::setSensorData(float hum, float temp) {
+    this->hum = hum;
+    this->temp = temp;
+}
+
+void HeatingInfoService::setLastHeatingStarttime(unsigned long time) {
+    this->lastheating = time;
+}
+
+void HeatingInfoService::setLastHetingEndtime(unsigned long time) {
+    this->lastheatend = time;
+}
diff --git a/src/HeatingInfoService.h b/src/HeatingInfoService.h
new file mode 100644
index 0000000..76f1be9
--- /dev/null
+++ b/src/HeatingInfoService.h
@@ -0,0 +1,35 @@
+//
+// Created by lukas on 19.12.20.
+//
+
+#ifndef PUMPENSTEUERUNG_HEATINGINFOSERVICE_H
+#define PUMPENSTEUERUNG_HEATINGINFOSERVICE_H
+
+#include <ESPAsyncWebServer.h>
+
+#define MAX_FEATURES_SIZE 256
+#define HEATINGINFO_SERVICE_PATH "/rest/heatinginfo" // set the api backend path
+
+
+class HeatingInfoService {
+public:
+    HeatingInfoService(AsyncWebServer* server);
+
+    void setSensorData(float hum, float temp);
+
+    void setLastHeatingStarttime(unsigned long time);
+
+    void setLastHetingEndtime(unsigned long time);
+
+private:
+    void reply(AsyncWebServerRequest* request);
+
+    float hum;
+    float temp;
+
+    unsigned long lastheating;
+    unsigned long lastheatend;
+};
+
+
+#endif //PUMPENSTEUERUNG_HEATINGINFOSERVICE_H
diff --git a/src/Pins.h b/src/Pins.h
index 8614ecb..08732a7 100644
--- a/src/Pins.h
+++ b/src/Pins.h
@@ -16,6 +16,6 @@
 #define TempSensorPin  D4
 
 // version info
-#define VERSION "v1.2.2"
+#define VERSION "v1.2.3"
 
 #endif //PUMPENSTEUERUNG_PINS_H
diff --git a/src/main.cpp b/src/main.cpp
index e40605a..eb23aaf 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -6,6 +6,7 @@
 #include "GeneralInfoService.h"
 #include "SettingsService.h"
 #include "Timer.h"
+#include "HeatingInfoService.h"
 
 bool allow;
 bool error = false;
@@ -24,7 +25,8 @@ uint32_t turnontime = 0;
 AsyncWebServer server(80);
 ESP8266React esp8266React(&server);
 
-GeneralInfoService generalinfo = GeneralInfoService(&server, mHeat.getLastHum(), mHeat.getLastTemp());
+GeneralInfoService generalinfo = GeneralInfoService(&server);
+HeatingInfoService heatinginfo = HeatingInfoService(&server);
 SettingsService settingsservice = SettingsService(&server, esp8266React.getSecurityManager());
 
 void pumpeSchalten(bool on) {
@@ -180,7 +182,7 @@ void setup() {
 
     // initialize heating control
     Serial.println("initializing heating service");
-    mHeat.init(Heating::HUMIDITY, settingsservice.getSettings());
+    mHeat.init(Heating::HUMIDITY, settingsservice.getSettings(), &heatinginfo);
 
     Serial.println("startup sequence complete!\n");
 }