diff --git a/src/IRac.cpp b/src/IRac.cpp
index 67c218c1e..571e31c8e 100644
--- a/src/IRac.cpp
+++ b/src/IRac.cpp
@@ -1167,6 +1167,7 @@ void IRac::ecoclim(IREcoclimAc *ac,
 /// @param[in] swingv The vertical swing setting.
 /// @param[in] swingh The horizontal swing setting.
 /// @param[in] iFeel Whether to enable iFeel (remote temp) mode on the A/C unit.
+/// @param[in] quiet Run the device in quiet/silent mode.
 /// @param[in] turbo Run the device in turbo/powerful mode.
 /// @param[in] lighttoggle Should we toggle the LED/Display?
 /// @param[in] clean Turn on the self-cleaning mode. e.g. Mould, dry filters etc
@@ -1175,7 +1176,8 @@ void IRac::electra(IRElectraAc *ac,
                    const float degrees, const float sensorTemp,
                    const stdAc::fanspeed_t fan, const stdAc::swingv_t swingv,
                    const stdAc::swingh_t swingh, const bool iFeel,
-                   const bool turbo, const bool lighttoggle, const bool clean) {
+                   const bool quiet, const bool turbo, const bool lighttoggle,
+                   const bool clean) {
   ac->begin();
   ac->setPower(on);
   ac->setMode(ac->convertMode(mode));
@@ -1186,7 +1188,7 @@ void IRac::electra(IRElectraAc *ac,
   ac->setFan(ac->convertFan(fan));
   ac->setSwingV(swingv != stdAc::swingv_t::kOff);
   ac->setSwingH(swingh != stdAc::swingh_t::kOff);
-  // No Quiet setting available.
+  ac->setQuiet(quiet);
   ac->setTurbo(turbo);
   ac->setLightToggle(lighttoggle);
   // No Econo setting available.
@@ -3223,8 +3225,8 @@ bool IRac::sendAc(const stdAc::state_t desired, const stdAc::state_t *prev) {
     {
       IRElectraAc ac(_pin, _inverted, _modulation);
       electra(&ac, send.power, send.mode, degC, sensorTempC, send.fanspeed,
-              send.swingv, send.swingh, send.iFeel, send.turbo, send.light,
-              send.clean);
+              send.swingv, send.swingh, send.iFeel, send.quiet, send.turbo,
+              send.light, send.clean);
       break;
     }
 #endif  // SEND_ELECTRA_AC
diff --git a/src/IRac.h b/src/IRac.h
index 7f4a3cf01..e3c261d0d 100644
--- a/src/IRac.h
+++ b/src/IRac.h
@@ -264,8 +264,8 @@ void electra(IRElectraAc *ac,
              const bool on, const stdAc::opmode_t mode,
              const float degrees, const float sensorTemp,
              const stdAc::fanspeed_t fan, const stdAc::swingv_t swingv,
-             const stdAc::swingh_t swingh, const bool iFeel, const bool turbo,
-             const bool lighttoggle, const bool clean);
+             const stdAc::swingh_t swingh, const bool iFeel, const bool quiet,
+             const bool turbo, const bool lighttoggle, const bool clean);
 #endif  // SEND_ELECTRA_AC
 #if SEND_FUJITSU_AC
   void fujitsu(IRFujitsuAC *ac, const fujitsu_ac_remote_model_t model,
diff --git a/src/ir_Electra.cpp b/src/ir_Electra.cpp
index f8edf9729..40e208a52 100644
--- a/src/ir_Electra.cpp
+++ b/src/ir_Electra.cpp
@@ -310,6 +310,18 @@ bool IRElectraAc::getTurbo(void) const {
   return _.Turbo;
 }
 
+/// Set the Quiet/Silent'mode of the A/C.
+/// @param[in] on true, the setting is on. false, the setting is off.
+void IRElectraAc::setQuiet(const bool on) {
+  _.Quiet = on;
+}
+
+/// Get the Quiet/Silent mode of the A/C.
+/// @return true, the setting is on. false, the setting is off.
+bool IRElectraAc::getQuiet(void) const {
+  return _.Quiet;
+}
+
 /// Get the IFeel mode of the A/C.
 /// @return true, the setting is on. false, the setting is off.
 bool IRElectraAc::getIFeel(void) const { return _.IFeel; }
@@ -373,11 +385,11 @@ stdAc::state_t IRElectraAc::toCommon(void) const {
                                     : stdAc::swingh_t::kOff;
   result.light = getLightToggle();
   result.turbo = _.Turbo;
+  result.quiet = _.Quiet;
   result.clean = _.Clean;
   result.iFeel = getIFeel();
   // Not supported.
   result.model = -1;  // No models used.
-  result.quiet = false;
   result.econo = false;
   result.filter = false;
   result.beep = false;
@@ -404,6 +416,7 @@ String IRElectraAc::toString(void) const {
     result += addToggleToString(getLightToggle(), kLightStr);
     result += addBoolToString(_.Clean, kCleanStr);
     result += addBoolToString(_.Turbo, kTurboStr);
+    result += addBoolToString(_.Quiet, kQuietStr);
     result += addBoolToString(_.IFeel, kIFeelStr);
   }
   if (_.IFeel || _.SensorUpdate) {
diff --git a/src/ir_Electra.h b/src/ir_Electra.h
index 602406d8d..ebc330068 100644
--- a/src/ir_Electra.h
+++ b/src/ir_Electra.h
@@ -15,6 +15,7 @@
 //   Brand: Centek,  Model: YKR-P/002E remote
 //   Brand: AEG,  Model: Chillflex Pro AXP26U338CW A/C
 //   Brand: Electrolux,  Model: YKR-H/531E A/C
+//   Brand: Delonghi, Modell: PAC EM90
 
 #ifndef IR_ELECTRA_H_
 #define IR_ELECTRA_H_
@@ -52,7 +53,7 @@ union ElectraProtocol {
     // Byte 5
     uint8_t         :6;
     uint8_t Turbo   :1;
-    uint8_t         :1;
+    uint8_t Quiet   :1;
     // Byte 6
     uint8_t         :3;
     uint8_t IFeel   :1;
@@ -145,6 +146,8 @@ class IRElectraAc {
   bool getLightToggle(void) const;
   void setTurbo(const bool on);
   bool getTurbo(void) const;
+  void setQuiet(const bool on);
+  bool getQuiet(void) const;
   void setIFeel(const bool on);
   bool getIFeel(void) const;
   void setSensorUpdate(const bool on);
diff --git a/test/IRac_test.cpp b/test/IRac_test.cpp
index 8d6274c65..5d9084ecb 100644
--- a/test/IRac_test.cpp
+++ b/test/IRac_test.cpp
@@ -613,7 +613,7 @@ TEST(TestIRac, Electra) {
   char expected[] =
       "Power: On, Mode: 6 (Fan), Temp: 26C, Fan: 1 (High), "
       "Swing(V): On, Swing(H): On, Light: Toggle, Clean: On, Turbo: On, "
-      "IFeel: Off";
+      "Quiet: On, IFeel: Off";
 
   ac.begin();
   irac.electra(&ac,
@@ -625,6 +625,7 @@ TEST(TestIRac, Electra) {
                stdAc::swingv_t::kAuto,      // Vertical swing
                stdAc::swingh_t::kLeft,      // Horizontal swing
                false,                       // iFeel
+               true,                        // Quiet
                true,                        // Turbo
                true,                        // Light (toggle)
                true);                       // Clean
diff --git a/test/ir_Electra_test.cpp b/test/ir_Electra_test.cpp
index 9c1dedd09..6eefc8b1d 100644
--- a/test/ir_Electra_test.cpp
+++ b/test/ir_Electra_test.cpp
@@ -102,7 +102,7 @@ TEST(TestDecodeElectraAC, RealExampleDecode) {
   EXPECT_EQ(
       "Power: On, Mode: 1 (Cool), Temp: 24C, Fan: 3 (Low), "
       "Swing(V): Off, Swing(H): Off, Light: -, Clean: Off, Turbo: Off, "
-      "IFeel: Off",
+      "Quiet: Off, IFeel: Off",
       IRAcUtils::resultAcToString(&irsend.capture));
   stdAc::state_t r, p;
   ASSERT_TRUE(IRAcUtils::decodeToState(&irsend.capture, &r, &p));
@@ -237,7 +237,7 @@ TEST(TestIRElectraAcClass, HumanReadable) {
   EXPECT_EQ(
       "Power: On, Mode: 1 (Cool), Temp: 32C, Fan: 5 (Auto), "
       "Swing(V): Off, Swing(H): Off, Light: -, Clean: Off, Turbo: Off, "
-      "IFeel: Off",
+      "Quiet: Off, IFeel: Off",
       ac.toString());
   uint8_t on_cool_16C_auto_voff[13] = {
       0xC3, 0x47, 0xE0, 0x00, 0xA0, 0x00, 0x20,
@@ -246,7 +246,7 @@ TEST(TestIRElectraAcClass, HumanReadable) {
   EXPECT_EQ(
       "Power: On, Mode: 1 (Cool), Temp: 16C, Fan: 5 (Auto), "
       "Swing(V): Off, Swing(H): Off, Light: -, Clean: Off, Turbo: Off, "
-      "IFeel: Off",
+      "Quiet: Off, IFeel: Off",
       ac.toString());
   uint8_t on_cool_16C_low_voff[13] = {
       0xC3, 0x47, 0xE0, 0x00, 0x60, 0x00, 0x20,
@@ -255,7 +255,7 @@ TEST(TestIRElectraAcClass, HumanReadable) {
   EXPECT_EQ(
       "Power: On, Mode: 1 (Cool), Temp: 16C, Fan: 3 (Low), "
       "Swing(V): Off, Swing(H): Off, Light: -, Clean: Off, Turbo: Off, "
-      "IFeel: Off",
+      "Quiet: Off, IFeel: Off",
       ac.toString());
 }
 
@@ -280,7 +280,7 @@ TEST(TestIRElectraAcClass, Clean) {
   EXPECT_EQ(
       "Power: On, Mode: 1 (Cool), Temp: 24C, Fan: 3 (Low), "
       "Swing(V): Off, Swing(H): Off, Light: Toggle, Clean: On, Turbo: Off, "
-      "IFeel: Off",
+      "Quiet: Off, IFeel: Off",
       ac.toString());
 }
 
@@ -307,7 +307,7 @@ TEST(TestIRElectraAcClass, Turbo) {
   EXPECT_EQ(
       "Power: On, Mode: 1 (Cool), Temp: 24C, Fan: 3 (Low), "
       "Swing(V): Off, Swing(H): Off, Light: -, Clean: Off, Turbo: On, "
-      "IFeel: Off",
+      "Quiet: Off, IFeel: Off",
       ac.toString());
 }
 
@@ -332,7 +332,7 @@ TEST(TestIRElectraAcClass, LightToggle) {
   EXPECT_EQ(
       "Power: On, Mode: 1 (Cool), Temp: 24C, Fan: 3 (Low), "
       "Swing(V): Off, Swing(H): Off, Light: Toggle, Clean: On, Turbo: Off, "
-      "IFeel: Off",
+      "Quiet: Off, IFeel: Off",
        ac.toString());
 }
 
@@ -360,7 +360,7 @@ TEST(TestIRElectraAcClass, ConstructKnownState) {
   EXPECT_EQ(
       "Power: On, Mode: 1 (Cool), Temp: 24C, Fan: 3 (Low), "
       "Swing(V): Off, Swing(H): Off, Light: Toggle, Clean: On, Turbo: Off, "
-      "IFeel: Off",
+      "Quiet: Off, IFeel: Off",
       ac.toString());
   EXPECT_STATE_EQ(on_cool_24C_fan1_swing_off_turbo_off_clean_on,
                   ac.getRaw(), kElectraAcBits);
@@ -379,7 +379,7 @@ TEST(TestIRElectraAcClass, IFeelAndSensor) {
   EXPECT_EQ(
       "Power: On, Mode: 1 (Cool), Temp: 21C, Fan: 5 (Auto), "
       "Swing(V): Off, Swing(H): Off, Light: -, Clean: Off, Turbo: Off, "
-      "IFeel: On, Sensor Temp: 26C",
+      "Quiet: Off, IFeel: On, Sensor Temp: 26C",
       ac.toString());
 
   ac.stateReset();
@@ -429,6 +429,6 @@ TEST(TestIRElectraAcClass, IFeelAndSensor) {
   EXPECT_EQ(
       "Power: On, Mode: 4 (Heat), Temp: 27C, Fan: 5 (Auto), "
       "Swing(V): Off, Swing(H): Off, Light: -, Clean: Off, Turbo: Off, "
-      "IFeel: On, Sensor Temp: 28C",
+      "Quiet: Off, IFeel: On, Sensor Temp: 28C",
       ac.toString());
 }