diff --git a/src/MainTask.h b/src/MainTask.h
index f97329b..f087921 100644
--- a/src/MainTask.h
+++ b/src/MainTask.h
@@ -225,7 +225,7 @@ protected:
       uint8_t availableSensors = 0;
 
       if (Sensors::existsConnectedSensorsByPurpose(Sensors::Purpose::INDOOR_TEMP)) {
-        auto value = Sensors::getMeanValueByPurpose(Sensors::Purpose::INDOOR_TEMP, Sensors::ValueType::PRIMARY);
+        auto value = Sensors::getMeanValueByPurpose(Sensors::Purpose::INDOOR_TEMP, Sensors::ValueType::PRIMARY, settings.heating.indoorTempAvgType);
         if (value < lowTemp) {
           lowTemp = value;
         }
diff --git a/src/Sensors.h b/src/Sensors.h
index bd9b524..8095414 100644
--- a/src/Sensors.h
+++ b/src/Sensors.h
@@ -77,6 +77,12 @@ public:
     RSSI        = 3
   };
 
+  enum class AverageType : uint8_t {
+    MEAN    = 0,
+    MINIMUM = 1,
+    MAXIMUM = 2
+  };
+
   typedef struct {
     bool enabled = false;
     char name[33];
@@ -330,38 +336,61 @@ public:
     return updated;
   }
 
-  static float getMeanValueByPurpose(Purpose purpose, const ValueType valueType, bool onlyConnected = true) {
+  static float getMeanValueByPurpose(Purpose purpose, const ValueType valueType, const AverageType avgType = AverageType::MEAN, const bool onlyConnected = true, const float defaultValue = NAN) {
     if (settings == nullptr || results == nullptr) {
-      return 0.0f;
+      return defaultValue;
     }
 
     uint8_t valueId = (uint8_t) valueType;
     if (!isValidValueId(valueId)) {
-      return 0.0f;
+      return defaultValue;
     }
     
     float value = 0.0f;
     uint8_t amount = 0;
 
-    for (uint8_t id = 0; id <= getMaxSensorId(); id++) {
-      auto& sSensor = settings[id];
-      auto& rSensor = results[id];
+    if (avgType == AverageType::MEAN) {
+      float sum = 0.0f;
+      for (uint8_t id = 0; id <= getMaxSensorId(); id++) {
+        auto& sSensor = settings[id];
+        auto& rSensor = results[id];
 
-      if (sSensor.purpose == purpose && (!onlyConnected || rSensor.connected)) {
-        value += rSensor.values[valueId];
-        amount++;
+        if (sSensor.purpose == purpose && (!onlyConnected || rSensor.connected)) {
+          sum += rSensor.values[valueId];
+          amount++;
+        }
+      }
+
+      value = amount == 1 ? sum : (sum / amount);
+
+    } else if (avgType == AverageType::MINIMUM) {
+      for (uint8_t id = 0; id <= getMaxSensorId(); id++) {
+        auto& sSensor = settings[id];
+        auto& rSensor = results[id];
+
+        if (sSensor.purpose == purpose && (!onlyConnected || rSensor.connected)) {
+          if (amount == 0 || rSensor.values[valueId] < value) {
+            value = rSensor.values[valueId];
+            amount++;
+          }
+        }
+      }
+
+    } else if (avgType == AverageType::MAXIMUM) {
+      for (uint8_t id = 0; id <= getMaxSensorId(); id++) {
+        auto& sSensor = settings[id];
+        auto& rSensor = results[id];
+
+        if (sSensor.purpose == purpose && (!onlyConnected || rSensor.connected)) {
+          if (amount == 0 || rSensor.values[valueId] > value) {
+            value = rSensor.values[valueId];
+            amount++;
+          }
+        }
       }
     }
 
-    if (!amount) {
-      return 0.0f;
-      
-    } else if (amount == 1) {
-      return value;
-
-    } else {
-      return value / amount;
-    }
+    return amount > 0 ? value : defaultValue;
   }
 
   static bool existsConnectedSensorsByPurpose(Purpose purpose) {
diff --git a/src/SensorsTask.h b/src/SensorsTask.h
index 7c5fa6e..905bd88 100644
--- a/src/SensorsTask.h
+++ b/src/SensorsTask.h
@@ -423,14 +423,50 @@ protected:
   }
 
   void updateMasterValues() {
-    vars.master.heating.outdoorTemp = Sensors::getMeanValueByPurpose(Sensors::Purpose::OUTDOOR_TEMP, Sensors::ValueType::PRIMARY);
-    vars.master.heating.indoorTemp = Sensors::getMeanValueByPurpose(Sensors::Purpose::INDOOR_TEMP, Sensors::ValueType::PRIMARY);
+    vars.master.heating.indoorTemp = Sensors::getMeanValueByPurpose(
+      Sensors::Purpose::INDOOR_TEMP,
+      Sensors::ValueType::PRIMARY,
+      settings.heating.indoorTempAvgType,
+      true,
+      0.0f
+    );
+    vars.master.heating.outdoorTemp = Sensors::getMeanValueByPurpose(
+      Sensors::Purpose::OUTDOOR_TEMP,
+      Sensors::ValueType::PRIMARY,
+      settings.heating.outdoorTempAvgType,
+      true,
+      0.0f
+    );
 
-    vars.master.heating.currentTemp = Sensors::getMeanValueByPurpose(Sensors::Purpose::HEATING_TEMP, Sensors::ValueType::PRIMARY);
-    vars.master.heating.returnTemp = Sensors::getMeanValueByPurpose(Sensors::Purpose::HEATING_RETURN_TEMP, Sensors::ValueType::PRIMARY);
+    vars.master.heating.currentTemp = Sensors::getMeanValueByPurpose(
+      Sensors::Purpose::HEATING_TEMP,
+      Sensors::ValueType::PRIMARY,
+      Sensors::AverageType::MEAN,
+      true,
+      0.0f
+    );
+    vars.master.heating.returnTemp = Sensors::getMeanValueByPurpose(
+      Sensors::Purpose::HEATING_RETURN_TEMP,
+      Sensors::ValueType::PRIMARY,
+      Sensors::AverageType::MEAN,
+      true,
+      0.0f
+    );
 
-    vars.master.dhw.currentTemp = Sensors::getMeanValueByPurpose(Sensors::Purpose::DHW_TEMP, Sensors::ValueType::PRIMARY);
-    vars.master.dhw.returnTemp = Sensors::getMeanValueByPurpose(Sensors::Purpose::DHW_RETURN_TEMP, Sensors::ValueType::PRIMARY);
+    vars.master.dhw.currentTemp = Sensors::getMeanValueByPurpose(
+      Sensors::Purpose::DHW_TEMP,
+      Sensors::ValueType::PRIMARY,
+      Sensors::AverageType::MEAN,
+      true,
+      0.0f
+    );
+    vars.master.dhw.returnTemp = Sensors::getMeanValueByPurpose(
+      Sensors::Purpose::DHW_RETURN_TEMP,
+      Sensors::ValueType::PRIMARY,
+      Sensors::AverageType::MEAN,
+      true,
+      0.0f
+    );
   }
 
   void makeDallasInstances() {
diff --git a/src/Settings.h b/src/Settings.h
index 62e6289..2f3e23a 100644
--- a/src/Settings.h
+++ b/src/Settings.h
@@ -107,6 +107,8 @@ struct Settings {
     uint8_t minTemp = DEFAULT_HEATING_MIN_TEMP;
     uint8_t maxTemp = DEFAULT_HEATING_MAX_TEMP;
     uint8_t maxModulation = 100;
+    Sensors::AverageType indoorTempAvgType = Sensors::AverageType::MEAN;
+    Sensors::AverageType outdoorTempAvgType = Sensors::AverageType::MEAN;
 
     struct {
       bool enabled = true;
diff --git a/src/strings.h b/src/strings.h
index c7a17af..d4b8c62 100644
--- a/src/strings.h
+++ b/src/strings.h
@@ -115,6 +115,7 @@ const char S_IGNORE_DIAG_STATE[]                    PROGMEM = "ignoreDiagState";
 const char S_IMMERGAS_FIX[]                         PROGMEM = "immergasFix";
 const char S_ALWAYS_SEND_INDOOR_TEMP[]              PROGMEM = "alwaysSendIndoorTemp";
 const char S_INDOOR_TEMP[]                          PROGMEM = "indoorTemp";
+const char S_INDOOR_TEMP_AVG_TYPE[]                 PROGMEM = "indoorTempAvgType";
 const char S_INDOOR_TEMP_CONTROL[]                  PROGMEM = "indoorTempControl";
 const char S_IN_GPIO[]                              PROGMEM = "inGpio";
 const char S_INPUT[]                                PROGMEM = "input";
@@ -155,6 +156,7 @@ const char S_ON_LOSS_CONNECTION[]                   PROGMEM = "onLossConnection"
 const char S_OPENTHERM[]                            PROGMEM = "opentherm";
 const char S_OPTIONS[]                              PROGMEM = "options";
 const char S_OUTDOOR_TEMP[]                         PROGMEM = "outdoorTemp";
+const char S_OUTDOOR_TEMP_AVG_TYPE[]                PROGMEM = "outdoorTempAvgType";
 const char S_OUT_GPIO[]                             PROGMEM = "outGpio";
 const char S_OUTPUT[]                               PROGMEM = "output";
 const char S_OVERHEAT[]                             PROGMEM = "overheat";
diff --git a/src/utils.h b/src/utils.h
index ea4f5c8..52c5d13 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -498,6 +498,8 @@ void settingsToJson(const Settings& src, JsonVariant dst, bool safe = false) {
   heating[FPSTR(S_MIN_TEMP)] = src.heating.minTemp;
   heating[FPSTR(S_MAX_TEMP)] = src.heating.maxTemp;
   heating[FPSTR(S_MAX_MODULATION)] = src.heating.maxModulation;
+  heating[FPSTR(S_INDOOR_TEMP_AVG_TYPE)] = static_cast<uint8_t>(src.heating.indoorTempAvgType);
+  heating[FPSTR(S_OUTDOOR_TEMP_AVG_TYPE)] = static_cast<uint8_t>(src.heating.outdoorTempAvgType);
 
   auto heatingOverheatProtection = heating[FPSTR(S_OVERHEAT_PROTECTION)].to<JsonObject>();
   heatingOverheatProtection[FPSTR(S_HIGH_TEMP)] = src.heating.overheatProtection.highTemp;
@@ -1393,6 +1395,42 @@ bool jsonToSettings(const JsonVariantConst src, Settings& dst, bool safe = false
     }
   }
 
+  if (!src[FPSTR(S_HEATING)][FPSTR(S_INDOOR_TEMP_AVG_TYPE)].isNull()) {
+    uint8_t value = src[FPSTR(S_HEATING)][FPSTR(S_INDOOR_TEMP_AVG_TYPE)].as<uint8_t>();
+
+    switch (value) {
+      case static_cast<uint8_t>(Sensors::AverageType::MEAN):
+      case static_cast<uint8_t>(Sensors::AverageType::MINIMUM):
+      case static_cast<uint8_t>(Sensors::AverageType::MAXIMUM):
+        if (static_cast<uint8_t>(dst.heating.indoorTempAvgType) != value) {
+          dst.heating.indoorTempAvgType = static_cast<Sensors::AverageType>(value);
+          changed = true;
+        }
+        break;
+
+      default:
+        break;
+    }
+  }
+
+  if (!src[FPSTR(S_HEATING)][FPSTR(S_OUTDOOR_TEMP_AVG_TYPE)].isNull()) {
+    uint8_t value = src[FPSTR(S_HEATING)][FPSTR(S_OUTDOOR_TEMP_AVG_TYPE)].as<uint8_t>();
+
+    switch (value) {
+      case static_cast<uint8_t>(Sensors::AverageType::MEAN):
+      case static_cast<uint8_t>(Sensors::AverageType::MINIMUM):
+      case static_cast<uint8_t>(Sensors::AverageType::MAXIMUM):
+        if (static_cast<uint8_t>(dst.heating.outdoorTempAvgType) != value) {
+          dst.heating.outdoorTempAvgType = static_cast<Sensors::AverageType>(value);
+          changed = true;
+        }
+        break;
+
+      default:
+        break;
+    }
+  }
+
   if (!src[FPSTR(S_HEATING)][FPSTR(S_OVERHEAT_PROTECTION)][FPSTR(S_HIGH_TEMP)].isNull()) {
     unsigned char value = src[FPSTR(S_HEATING)][FPSTR(S_OVERHEAT_PROTECTION)][FPSTR(S_HIGH_TEMP)].as<unsigned char>();
 
diff --git a/src_data/locales/cn.json b/src_data/locales/cn.json
index bd2314b..2d97a04 100644
--- a/src_data/locales/cn.json
+++ b/src_data/locales/cn.json
@@ -291,6 +291,11 @@
         "min": "最低温度",
         "max": "最高温度"
       },
+      "avgType": {
+        "mean": "平均温度",
+        "min": "最低温度",
+        "max": "最高温度"
+      },
       "maxModulation": "最大调制范围",
       "ohProtection": {
         "title": "超温保护",
@@ -352,7 +357,15 @@
             "set0target": "设置空目标"
           }
         },
-        "turboFactor": "Turbo 模式系数"
+        "turboFactor": "Turbo 模式系数",
+        "indoorTempAvgType": {
+          "title": "室内温度平均类型",
+          "desc": "使用两个或更多室内温度传感器时可能有用（使用 «Equitherm» 和/或 «PID» 时）。"
+        },
+        "outdoorTempAvgType": {
+          "title": "室外温度平均类型",
+          "desc": "使用两个或更多室外温度传感器时可能有用（使用 «Equitherm» 时）。"
+        }
       },
       "emergency": {
         "desc": "紧急模式会在以下情况自动激活（当PID或气候补偿无法计算热媒设定值时）：<br />启用气候补偿但室外温度传感器断开连接；<br />启用PID或 OpenTherm 选项中启用<i>原生供暖控制</i>但室内温度传感器断开连接。<br /><b>注意：</b> 网络故障或MQTT 服务器连接故障时，类型为<i>通过MQTT/API手动控制</i>的传感器将显示为断开连接状态。",
diff --git a/src_data/locales/en.json b/src_data/locales/en.json
index c78a461..a093f6c 100644
--- a/src_data/locales/en.json
+++ b/src_data/locales/en.json
@@ -291,6 +291,11 @@
         "min": "Minimum temperature",
         "max": "Maximum temperature"
       },
+      "avgType": {
+        "mean": "Mean temperature",
+        "min": "Minimum temperature",
+        "max": "Maximum temperature"
+      },
       "maxModulation": "Max modulation level",
       "ohProtection": {
         "title": "Overheating protection",
@@ -352,7 +357,15 @@
             "set0target": "Set null target"
           }
         },
-        "turboFactor": "Turbo mode coeff."
+        "turboFactor": "Turbo mode coeff.",
+        "indoorTempAvgType": {
+          "title": "Indoor temp. averaging type",
+          "desc": "May be useful when using two or more indoor temp. sensors (when using «Equitherm» and/or «PID»)."
+        },
+        "outdoorTempAvgType": {
+          "title": "Outdoor temp. averaging type",
+          "desc": "May be useful when using two or more outdoor temp. sensors (when using «Equitherm»)."
+        }
       },
       "emergency": {
         "desc": "Emergency mode is activated automatically when «PID» or «Equitherm» cannot calculate the heat carrier setpoint:<br />- if «Equitherm» is enabled and the outdoor temperature sensor is disconnected;<br />- if «PID» or OT option <i>«Native heating control»</i> is enabled and the indoor temperature sensor is disconnected.<br /><b>Note:</b> On network fault or MQTT fault, sensors with <i>«Manual via MQTT/API»</i> type will be in DISCONNECTED state.",
diff --git a/src_data/locales/it.json b/src_data/locales/it.json
index 54555e6..0764ffb 100644
--- a/src_data/locales/it.json
+++ b/src_data/locales/it.json
@@ -291,6 +291,11 @@
         "min": "Temperatura minima",
         "max": "Temperatura massima"
       },
+      "avgType": {
+        "mean": "Temperatura media",
+        "min": "Temperatura minima",
+        "max": "Temperatura massima"
+      },
       "maxModulation": "Max livello modulazione",
       "ohProtection": {
         "title": "Protezione contro il surriscaldamento",
@@ -352,7 +357,15 @@
             "set0target": "Imposta target nullo"
           }
         },
-        "turboFactor": "Turbo mode coeff."
+        "turboFactor": "Turbo mode coeff.",
+        "indoorTempAvgType": {
+          "title": "Tipo di media temperatura interna",
+          "desc": "Utile con due o più sensori di temperatura interna (quando si usa «Equitherm» e/o «PID»)."
+        },
+        "outdoorTempAvgType": {
+          "title": "Tipo di media temperatura esterna",
+          "desc": "Utile con due o più sensori di temperatura esterna (quando si usa «Equitherm»)."
+        }
       },
       "emergency": {
         "desc": "Il modo emergenza è attivato automaticamente quando «PID» o «Equitherm» non possono calcolare il setpoint:<br />- se «Equitherm» è attivato e il sensore della temperatura esternare è disconnesso;<br />- se «PID» o l'opzione OT <i>«Impostazioni riscaldamento native»</i> è attiva e il sensore di temperatura interno è disconnesso.<br /><b>Nota:</b> In mancanza di rete o MQTT, sensore di tipo <i>«Manuale via MQTT/API»</i> è in stato Disconnesso.",
diff --git a/src_data/locales/nl.json b/src_data/locales/nl.json
index fcce416..0d74311 100644
--- a/src_data/locales/nl.json
+++ b/src_data/locales/nl.json
@@ -291,6 +291,11 @@
         "min": "Minimumtemperatuur",
         "max": "Maximumtemperatuur"
       },
+      "avgType": {
+        "mean": "Gemiddelde temperatuur",
+        "min": "Minimum temperatuur",
+        "max": "Maximum temperatuur"
+      },
       "maxModulation": "Max. modulatieniveau",
       "ohProtection": {
         "title": "Oververhittingsbeveiliging",
@@ -352,7 +357,15 @@
             "set0target": "Stel null target in"
           }
         },
-        "turboFactor": "Turbomodus coëff."
+        "turboFactor": "Turbomodus coëff.",
+        "indoorTempAvgType": {
+          "title": "Binnentemperatuur gemiddelde type",
+          "desc": "Nuttig bij twee of meer binnentemperatuursensoren (bij gebruik van «Equitherm» en/of «PID»)."
+        },
+        "outdoorTempAvgType": {
+          "title": "Buitentemperatuur gemiddelde type",
+          "desc": "Nuttig bij twee of meer buitensensoren (bij gebruik van «Equitherm»)."
+        }
       },
       "emergency": {
         "desc": "Noodmodus wordt automatisch geactiveerd wanneer «PID» of «Equitherm» het instelpunt van de warmtedrager niet kan berekenen:<br />- als «Equitherm» is ingeschakeld en de buitentemperatuursensor is losgekoppeld;<br />- als «PID» of OT-optie <i>«Natuurlijke verwarmingsregeling»</i> is ingeschakeld en de binnentemperatuursensor is losgekoppeld.<br /><b>Let op:</b> Bij een netwerk- of MQTT-storing krijgen sensoren van het type <i>«Handmatig via MQTT/API»</i> de status ONVERBONDEN.",
diff --git a/src_data/locales/ru.json b/src_data/locales/ru.json
index 726f0b1..1194fb0 100644
--- a/src_data/locales/ru.json
+++ b/src_data/locales/ru.json
@@ -291,6 +291,11 @@
         "min": "Мин. температура",
         "max": "Макс. температура"
       },
+      "avgType": {
+        "mean": "Средняя температура",
+        "min": "Минимальная температура",
+        "max": "Максимальная температура"
+      },
       "maxModulation": "Макс. уровень модуляции",
       "ohProtection": {
         "title": "Защита от перегрева",
@@ -352,7 +357,15 @@
             "set0target": "Установить 0 в качестве целевой темп."
           }
         },
-        "turboFactor": "Коэфф. турбо режима"
+        "turboFactor": "Коэфф. турбо режима",
+        "indoorTempAvgType": {
+          "title": "Тип усреднения внутренней темп.",
+          "desc": "Полезно при использовании двух и более датчиков внутренней температуры (при использовании «Equitherm» и/или «PID»)."
+        },
+        "outdoorTempAvgType": {
+          "title": "Тип усреднения наружнной темп.",
+          "desc": "Полезно при использовании двух и более датчиков наружной температуры (при использовании «Equitherm»)."
+        }
       },
       "emergency": {
         "desc": "Аварийный режим активируется автоматически, если «ПИД» или «ПЗА» не могут рассчитать уставку теплоносителя:<br />- если «ПЗА» включен и датчик наружной температуры отключен;<br />- если включен «ПИД» или OT опция <i>«Передать управление отоплением котлу»</i> и датчик внутренней температуры отключен.<br /><b>Примечание:</b> При сбое сети или MQTT датчики с типом <i>«Вручную через MQTT/API»</i> будут находиться в состоянии ОТКЛЮЧЕН.",
diff --git a/src_data/pages/settings.html b/src_data/pages/settings.html
index 68276fa..63b765c 100644
--- a/src_data/pages/settings.html
+++ b/src_data/pages/settings.html
@@ -198,6 +198,28 @@
                 </label>
               </div>
 
+              <div class="grid">
+                <label>
+                  <span data-i18n>settings.heating.indoorTempAvgType.title</span>
+                  <select name="heating[indoorTempAvgType]">
+                    <option value="0" data-i18n>settings.avgType.mean</option>
+                    <option value="1" data-i18n>settings.avgType.min</option>
+                    <option value="2" data-i18n>settings.avgType.max</option>
+                  </select>
+                  <small data-i18n>settings.heating.indoorTempAvgType.desc</small>
+                </label>
+
+                <label>
+                  <span data-i18n>settings.heating.outdoorTempAvgType.title</span>
+                  <select name="heating[outdoorTempAvgType]">
+                    <option value="0" data-i18n>settings.avgType.mean</option>
+                    <option value="1" data-i18n>settings.avgType.min</option>
+                    <option value="2" data-i18n>settings.avgType.max</option>
+                  </select>
+                  <small data-i18n>settings.heating.outdoorTempAvgType.desc</small>
+                </label>
+              </div>
+
               <hr />
 
               <details>
@@ -1171,6 +1193,8 @@
           setSelectValue("[name='heating[hysteresis][action]']", data.heating.hysteresis.action);
           setInputValue("[name='heating[turboFactor]']", data.heating.turboFactor);
           setInputValue("[name='heating[maxModulation]']", data.heating.maxModulation);
+          setSelectValue("[name='heating[indoorTempAvgType]']", data.heating.indoorTempAvgType);
+          setSelectValue("[name='heating[outdoorTempAvgType]']", data.heating.outdoorTempAvgType);
           setInputValue("[name='heating[overheatProtection][highTemp]']", data.heating.overheatProtection.highTemp, {
             "min": 0,
             "max": data.system.unitSystem == 0 ? 100 : 212