diff --git a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateCard.cpp b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateCard.cpp
index e7108fc..274ac17 100644
--- a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateCard.cpp
+++ b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateCard.cpp
@@ -1,9 +1,8 @@
 #include <ClimateCard.hpp>
 
-ClimateCard::ClimateCard(uint8_t ir_pin) : irsender(ir_pin)
+ClimateCard::ClimateCard(uint8_t ir_pin)
 {
     this->ir_pin = ir_pin;
-    irsender.begin(ir_pin);
     // Initialize Pointers
     this->dht = nullptr;
     this->ds18b20 = nullptr;
@@ -20,12 +19,19 @@ ClimateCard::ClimateCard(uint8_t ir_pin) : irsender(ir_pin)
     this->state.ac_temperature = 25;
     this->state.ac_mode = 0;
     this->state.ac_fan_speed = 0;
+    // Initialize RMT
+    gpio_num_t gpio_num = gpio_num_t(ir_pin);
+    rmt_config_t rmt_tx = RMT_DEFAULT_CONFIG_TX(gpio_num, RMT_TX_CHANNEL);
+    rmt_tx.clk_div = 80; // 1MHz clock
+    rmt_config(&rmt_tx);
+    rmt_driver_install(rmt_tx.channel, 0, 0);
 }
 
 ClimateCard::~ClimateCard()
 {
     delete dht;
     delete ds18b20;
+    rmt_driver_uninstall(RMT_TX_CHANNEL);
 }
 
 bool ClimateCard::begin(AirConditioner ac, uint8_t sensor_type, uint8_t sensor_pin)
@@ -151,9 +157,20 @@ void ClimateCard::updateSensor()
 
 void ClimateCard::updateAirConditioner()
 {
-    irsender.sendRaw(ac.infraredCodes[this->state.ac_mode][this->state.ac_fan_speed][this->state.ac_temperature],
-     sizeof(ac.infraredCodes[this->state.ac_mode][this->state.ac_fan_speed][this->state.ac_temperature]) / sizeof(uint16_t),
-      NEC_KHZ);
+    size_t itemCount = sizeof(ac.infraredCodes[this->state.ac_mode][this->state.ac_fan_speed][this->state.ac_temperature]) / sizeof(ac.infraredCodes[this->state.ac_mode][this->state.ac_fan_speed][this->state.ac_temperature][0]);
+    rmt_item32_t items[itemCount];
+    // Convert IR timing array to RMT items
+    for (size_t i = 0; i < itemCount; i++)
+    {
+        items[i].level0 = 1;
+        items[i].duration0 = ac.infraredCodes[this->state.ac_mode][this->state.ac_fan_speed][this->state.ac_temperature][i];
+        items[i].level1 = 0;
+        items[i].duration1 = ac.infraredCodes[this->state.ac_mode][this->state.ac_fan_speed][this->state.ac_temperature][i];
+    }
+    // Send IR signal
+    rmt_write_items(RMT_TX_CHANNEL, items, itemCount, true);
+    rmt_wait_tx_done(RMT_TX_CHANNEL, portMAX_DELAY);
+    // Publish state
     for (uint8_t i = 0; i < callbacks.size(); i++)
     {
         callbacks[i](this->state.ac_mode, this->state.ac_fan_speed, this->state.ac_temperature);
diff --git a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateCard.hpp b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateCard.hpp
index c7305a2..45fd00a 100644
--- a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateCard.hpp
+++ b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateCard.hpp
@@ -1,12 +1,14 @@
 #pragma once
 #include <ExpansionCard.hpp>
-#include <IRremote.h>
+#include <driver/rmt.h>
 #include <FRAM.h>
 #include <OneWire.h>
 #include <DS18B20.h>
 #include <dhtnew.h>
 #include <vector>
 
+#define RMT_TX_CHANNEL RMT_CHANNEL_0
+
 #define CARD_TYPE_CLIMATE 0x03
 
 #define AC_SENSOR_TYPE_NONE 0x00
@@ -68,7 +70,6 @@ class ClimateCard : public ExpansionCard {
         void updateSensor();
         void updateAirConditioner();
         // IR variables
-        IRsend irsender;
         uint8_t ir_pin;
         // Air conditioner variables
         AirConditioner ac;
diff --git a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateIoT.cpp b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateIoT.cpp
index 52ff878..613dc76 100644
--- a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateIoT.cpp
+++ b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateIoT.cpp
@@ -129,4 +129,12 @@ bool ClimateIoT::processRequestStateMessage(char *topic, char *payload, uint8_t
         return true;
     }
     return false;
+}
+
+void ClimateIoT::handleSensorUpdate(float temperature, float humidity) {
+    this->publishSensor();
+}
+
+void ClimateIoT::handleAirConditionerUpdate(uint8_t mode, uint8_t fan_speed, uint8_t temperature) {
+    this->publishClimate();
 }
\ No newline at end of file
diff --git a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.cpp b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.cpp
index fb27a09..4d34d30 100644
--- a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.cpp
+++ b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.cpp
@@ -115,15 +115,15 @@ void ESPMegaIoT::registerCard(uint8_t card_id)
             components[card_id]->publishReport();
         }
         break;
-    // case CARD_TYPE_CLIMATE:
-    //     components[card_id] = new ClimateIoT();
-    //     components[card_id]->begin(card_id, cards[card_id], &mqtt, base_topic);
-    //     if (mqtt_connected)
-    //     {
-    //         components[card_id]->subscribe();
-    //         components[card_id]->publishReport();
-    //     }
-    //     break;
+    case CARD_TYPE_CLIMATE:
+        components[card_id] = new ClimateIoT();
+        components[card_id]->begin(card_id, cards[card_id], &mqtt, base_topic);
+        if (mqtt_connected)
+        {
+            components[card_id]->subscribe();
+            components[card_id]->publishReport();
+        }
+        break;
     default:
         Serial.println("Unsupported card type");
         return;
diff --git a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.hpp b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.hpp
index 4c7a971..b6902b4 100644
--- a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.hpp
+++ b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ESPMegaIoT.hpp
@@ -6,6 +6,8 @@
 #include <DigitalInputIoT.hpp>
 #include <DigitalOutputCard.hpp>
 #include <DigitalOutputIoT.hpp>
+#include <ClimateCard.hpp>
+#include <ClimateIoT.hpp>
 #include <IoTComponent.hpp>
 #include <PubSubClient.h>
 #include <ETH.h>
diff --git a/ESPMegaPRO-firmware/lib/ESPMegaPRO/Untitled-1.cpp b/ESPMegaPRO-firmware/lib/ESPMegaPRO/Untitled-1.cpp
new file mode 100644
index 0000000..ab7d635
--- /dev/null
+++ b/ESPMegaPRO-firmware/lib/ESPMegaPRO/Untitled-1.cpp
@@ -0,0 +1,32 @@
+#include "driver/rmt.h"
+
+#define RMT_TX_CHANNEL RMT_CHANNEL_0
+#define RMT_TX_GPIO_NUM GPIO_NUM_4
+
+void app_main() {
+    // Configure RMT transmitter
+    rmt_config_t config = RMT_DEFAULT_CONFIG_TX(RMT_TX_GPIO_NUM, RMT_TX_CHANNEL);
+    config.clk_div = 80;  // Set clock divider for desired frequency (80MHz / 80 = 1MHz)
+    rmt_config(&config);
+    rmt_driver_install(config.channel, 0, 0);
+
+    // Define NEC IR protocol parameters
+    uint16_t irTimingArray[] = { /* Your IR timing array here */ };
+    size_t itemCount = sizeof(irTimingArray) / sizeof(irTimingArray[0]);
+    rmt_item32_t items[itemCount];
+
+    // Convert IR timing array to RMT items
+    for (size_t i = 0; i < itemCount; i++) {
+        items[i].level0 = 1;
+        items[i].duration0 = irTimingArray[i];
+        items[i].level1 = 0;
+        items[i].duration1 = irTimingArray[i];
+    }
+
+    // Send IR signal
+    rmt_write_items(config.channel, items, itemCount, true);
+    rmt_wait_tx_done(config.channel, portMAX_DELAY);
+
+    // Cleanup RMT driver
+    rmt_driver_uninstall(config.channel);
+}
diff --git a/ESPMegaPRO-firmware/platformio.ini b/ESPMegaPRO-firmware/platformio.ini
index 5b848e1..ebbab18 100644
--- a/ESPMegaPRO-firmware/platformio.ini
+++ b/ESPMegaPRO-firmware/platformio.ini
@@ -25,7 +25,6 @@ lib_deps = adafruit/Adafruit PWM Servo Driver Library@^2.4.1
            paulstoffregen/DS1307RTC@0.0.0-alpha+sha.c2590c0033
            knolleary/pubsubclient@^2.8.0
            seithan/Easy Nextion Library@^1.0.6
-           z3t0/IRremote@^4.2.0
            bblanchon/ArduinoJson@^6.21.4
            robtillaart/DS18B20@^0.2.1
            robtillaart/DHTNEW@^0.4.18
diff --git a/ESPMegaPRO-firmware/src/iot_framdemo.cpp b/ESPMegaPRO-firmware/src/iot_framdemo.cpp
index c08813b..f7a85d0 100644
--- a/ESPMegaPRO-firmware/src/iot_framdemo.cpp
+++ b/ESPMegaPRO-firmware/src/iot_framdemo.cpp
@@ -1,6 +1,7 @@
 #include <ESPMegaPRO_OOP.hpp>
 #include <InternalDisplay.hpp>
 #include <ETH.h>
+#include <ClimateCard.hpp>
 
 ESPMegaPRO espmega = ESPMegaPRO();