diff --git a/src/HaHelper.h b/src/HaHelper.h
index 9bc5d10..83457c4 100644
--- a/src/HaHelper.h
+++ b/src/HaHelper.h
@@ -199,6 +199,29 @@ public:
     return this->publish(this->getTopic("switch", "emergency_use_equitherm").c_str(), doc);
   }
 
+  bool publishSwitchEmergencyUsePid(bool enabledByDefault = true) {
+    JsonDocument doc;
+    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_TOPIC)] = this->getDeviceTopic("settings");
+    doc[FPSTR(HA_AVAILABILITY)][FPSTR(HA_VALUE_TEMPLATE)] = F("{{ iif(value_json.sensors.indoor.type != 1, 'online', 'offline') }}");
+    doc[FPSTR(HA_ENABLED_BY_DEFAULT)] = enabledByDefault;
+    doc[FPSTR(HA_UNIQUE_ID)] = this->getObjectId("emergency_use_pid");
+    doc[FPSTR(HA_OBJECT_ID)] = this->getObjectId("emergency_use_pid");
+    doc[FPSTR(HA_ENTITY_CATEGORY)] = F("config");
+    doc[FPSTR(HA_NAME)] = F("Use PID in emergency");
+    doc[FPSTR(HA_ICON)] = F("mdi:snowflake-alert");
+    doc[FPSTR(HA_STATE_TOPIC)] = this->getDeviceTopic("settings");
+    doc[FPSTR(HA_STATE_ON)] = true;
+    doc[FPSTR(HA_STATE_OFF)] = false;
+    doc[FPSTR(HA_VALUE_TEMPLATE)] = F("{{ value_json.emergency.usePid }}");
+    doc[FPSTR(HA_COMMAND_TOPIC)] = this->getDeviceTopic("settings/set");
+    doc[FPSTR(HA_PAYLOAD_ON)] = F("{\"emergency\": {\"usePid\" : true}}");
+    doc[FPSTR(HA_PAYLOAD_OFF)] = F("{\"emergency\": {\"usePid\" : false}}");
+    doc[FPSTR(HA_EXPIRE_AFTER)] = 120;
+    doc.shrinkToFit();
+
+    return this->publish(this->getTopic("switch", "emergency_use_pid").c_str(), doc);
+  }
+
 
   bool publishSwitchHeating(bool enabledByDefault = true) {
     JsonDocument doc;
diff --git a/src/MqttTask.h b/src/MqttTask.h
index de01e72..6768196 100644
--- a/src/MqttTask.h
+++ b/src/MqttTask.h
@@ -3,6 +3,8 @@
 #include <MqttWriter.h>
 #include "HaHelper.h"
 
+extern EEManager eeSettings;
+
 
 class MqttTask : public Task {
 public:
@@ -289,7 +291,32 @@ protected:
     }
 
     if (!doc["emergency"]["useEquitherm"].isNull() && doc["emergency"]["useEquitherm"].is<bool>()) {
-      settings.emergency.useEquitherm = doc["emergency"]["useEquitherm"].as<bool>();
+      if (settings.sensors.outdoor.type != 1) {
+        settings.emergency.useEquitherm = doc["emergency"]["useEquitherm"].as<bool>();
+
+      } else {
+        settings.emergency.useEquitherm = false;
+      }
+
+      if (settings.emergency.useEquitherm && settings.emergency.usePid) {
+        settings.emergency.usePid = false;
+      }
+
+      flag = true;
+    }
+
+    if (!doc["emergency"]["usePid"].isNull() && doc["emergency"]["usePid"].is<bool>()) {
+      if (settings.sensors.indoor.type != 1) {
+        settings.emergency.usePid = doc["emergency"]["usePid"].as<bool>();
+
+      } else {
+        settings.emergency.usePid = false;
+      }
+
+      if (settings.emergency.usePid && settings.emergency.useEquitherm) {
+        settings.emergency.useEquitherm = false;
+      }
+
       flag = true;
     }
 
@@ -442,6 +469,11 @@ protected:
     if (!doc["sensors"]["outdoor"]["type"].isNull() && doc["sensors"]["outdoor"]["type"].is<unsigned char>()) {
       if (doc["sensors"]["outdoor"]["type"].as<unsigned char>() >= 0 && doc["sensors"]["outdoor"]["type"].as<unsigned char>() <= 2) {
         settings.sensors.outdoor.type = doc["sensors"]["outdoor"]["type"].as<unsigned char>();
+
+        if (settings.sensors.outdoor.type == 1) {
+          settings.emergency.useEquitherm = false;
+        }
+
         flag = true;
       }
     }
@@ -456,6 +488,11 @@ protected:
     if (!doc["sensors"]["indoor"]["type"].isNull() && doc["sensors"]["indoor"]["type"].is<unsigned char>()) {
       if (doc["sensors"]["indoor"]["type"].as<unsigned char>() >= 1 && doc["sensors"]["indoor"]["type"].as<unsigned char>() <= 3) {
         settings.sensors.indoor.type = doc["sensors"]["indoor"]["type"].as<unsigned char>();
+
+        if (settings.sensors.indoor.type == 1) {
+          settings.emergency.usePid = false;
+        }
+
         flag = true;
       }
     }
@@ -547,6 +584,7 @@ protected:
     this->haHelper->publishSwitchEmergency();
     this->haHelper->publishNumberEmergencyTarget();
     this->haHelper->publishSwitchEmergencyUseEquitherm();
+    this->haHelper->publishSwitchEmergencyUsePid();
 
     // heating
     this->haHelper->publishSwitchHeating(false);
@@ -719,6 +757,7 @@ protected:
     doc["emergency"]["enable"] = settings.emergency.enable;
     doc["emergency"]["target"] = settings.emergency.target;
     doc["emergency"]["useEquitherm"] = settings.emergency.useEquitherm;
+    doc["emergency"]["usePid"] = settings.emergency.usePid;
 
     doc["heating"]["enable"] = settings.heating.enable;
     doc["heating"]["turbo"] = settings.heating.turbo;
diff --git a/src/OpenThermTask.h b/src/OpenThermTask.h
index 1788607..0bbf226 100644
--- a/src/OpenThermTask.h
+++ b/src/OpenThermTask.h
@@ -341,7 +341,7 @@ protected:
 
     // коммутационная разность (hysteresis)
     // только для pid и/или equitherm
-    if (settings.heating.hysteresis > 0 && !vars.states.emergency && (settings.equitherm.enable || settings.pid.enable)) {
+    if (settings.heating.hysteresis > 0 && (!vars.states.emergency || settings.emergency.usePid) && (settings.equitherm.enable || settings.pid.enable)) {
       float halfHyst = settings.heating.hysteresis / 2;
       if (this->pump && vars.temperatures.indoor - settings.heating.target + 0.0001 >= halfHyst) {
         this->pump = false;
diff --git a/src/RegulatorTask.h b/src/RegulatorTask.h
index edfc6a5..82b5e19 100644
--- a/src/RegulatorTask.h
+++ b/src/RegulatorTask.h
@@ -91,12 +91,33 @@ protected:
         prevEtResult = etResult;
         newTemp += etResult;
 
-        Log.sinfoln("REGULATOR.EQUITHERM", F("New emergency result: %u (%f)"), (int) round(etResult), etResult);
+        Log.sinfoln("REGULATOR.EQUITHERM", F("New emergency result: %hhu (%f)"), (uint8_t) round(etResult), etResult);
 
       } else {
         newTemp += prevEtResult;
       }
 
+    } else if(settings.emergency.usePid && settings.sensors.indoor.type != 1) {
+      if (vars.parameters.heatingEnabled) {
+        float pidResult = getPidTemp(
+          settings.heating.minTemp,
+          settings.heating.maxTemp
+        );
+
+        if (fabs(prevPidResult - pidResult) + 0.0001 >= 0.5) {
+          prevPidResult = pidResult;
+          newTemp += pidResult;
+
+          Log.sinfoln("REGULATOR.PID", F("New emergency result: %hhu (%f)"), (uint8_t) round(pidResult), pidResult);
+
+        } else {
+          newTemp += prevPidResult;
+        }
+
+      } else if (!vars.parameters.heatingEnabled && prevPidResult != 0) {
+        newTemp += prevPidResult;
+      }
+
     } else {
       // default temp, manual mode
       newTemp = settings.emergency.target;
@@ -126,7 +147,7 @@ protected:
         prevEtResult = etResult;
         newTemp += etResult;
 
-        Log.sinfoln("REGULATOR.EQUITHERM", F("New result: %u (%f)"), (int) round(etResult), etResult);
+        Log.sinfoln("REGULATOR.EQUITHERM", F("New result: %hhu (%f)"), (uint8_t) round(etResult), etResult);
 
       } else {
         newTemp += prevEtResult;
@@ -144,7 +165,7 @@ protected:
         prevPidResult = pidResult;
         newTemp += pidResult;
 
-        Log.sinfoln("REGULATOR.PID", F("New result: %d (%f)"), (int) round(pidResult), pidResult);
+        Log.sinfoln("REGULATOR.PID", F("New result: %hh (%f)"), (int8_t) round(pidResult), pidResult);
 
       } else {
         newTemp += prevPidResult;
diff --git a/src/Settings.h b/src/Settings.h
index 40adbf3..6e8b607 100644
--- a/src/Settings.h
+++ b/src/Settings.h
@@ -28,6 +28,7 @@ struct Settings {
     bool enable = true;
     float target = 40.0f;
     bool useEquitherm = false;
+    bool usePid = false;
   } emergency;
 
   struct {