diff --git a/esphome/components/modbus_controller/__init__.py b/esphome/components/modbus_controller/__init__.py
index 825b91280e..b927faf9a7 100644
--- a/esphome/components/modbus_controller/__init__.py
+++ b/esphome/components/modbus_controller/__init__.py
@@ -13,6 +13,7 @@ from .const import (
     CONF_MODBUS_CONTROLLER_ID,
     CONF_REGISTER_COUNT,
     CONF_REGISTER_TYPE,
+    CONF_RESPONSE_SIZE,
     CONF_SKIP_UPDATES,
     CONF_VALUE_TYPE,
 )
@@ -125,6 +126,7 @@ ModbusItemBaseSchema = cv.Schema(
         cv.Optional(CONF_SKIP_UPDATES, default=0): cv.positive_int,
         cv.Optional(CONF_FORCE_NEW_RANGE, default=False): cv.boolean,
         cv.Optional(CONF_LAMBDA): cv.returning_lambda,
+        cv.Optional(CONF_RESPONSE_SIZE, default=0): cv.positive_int,
     },
 )
 
@@ -180,6 +182,9 @@ async def add_modbus_base_properties(
     if CONF_CUSTOM_COMMAND in config:
         cg.add(var.set_custom_data(config[CONF_CUSTOM_COMMAND]))
 
+    if config[CONF_RESPONSE_SIZE] > 0:
+        cg.add(var.set_register_size(config[CONF_RESPONSE_SIZE]))
+
     if CONF_LAMBDA in config:
         template_ = await cg.process_lambda(
             config[CONF_LAMBDA],
diff --git a/esphome/components/modbus_controller/modbus_controller.h b/esphome/components/modbus_controller/modbus_controller.h
index 045075f5e0..f4948e6ff9 100644
--- a/esphome/components/modbus_controller/modbus_controller.h
+++ b/esphome/components/modbus_controller/modbus_controller.h
@@ -254,16 +254,18 @@ class SensorItem {
   size_t virtual get_register_size() const {
     if (register_type == ModbusRegisterType::COIL || register_type == ModbusRegisterType::DISCRETE_INPUT)
       return 1;
-    else
-      return register_count * 2;
+    else  // if CONF_RESPONSE_BYTES is used override the default
+      return response_bytes > 0 ? response_bytes : register_count * 2;
   }
-
+  // Override register size for modbus devices not using 1 register for one dword
+  void set_register_size(uint8_t register_size) { response_bytes = register_size; }
   ModbusRegisterType register_type;
   SensorValueType sensor_value_type;
   uint16_t start_address;
   uint32_t bitmask;
   uint8_t offset;
   uint8_t register_count;
+  uint8_t response_bytes{0};
   uint8_t skip_updates;
   std::vector<uint8_t> custom_data{};
   bool force_new_range{false};
diff --git a/esphome/components/modbus_controller/text_sensor/modbus_textsensor.cpp b/esphome/components/modbus_controller/text_sensor/modbus_textsensor.cpp
index a06d44e90b..25b79474e8 100644
--- a/esphome/components/modbus_controller/text_sensor/modbus_textsensor.cpp
+++ b/esphome/components/modbus_controller/text_sensor/modbus_textsensor.cpp
@@ -13,7 +13,7 @@ void ModbusTextSensor::dump_config() { LOG_TEXT_SENSOR("", "Modbus Controller Te
 
 void ModbusTextSensor::parse_and_publish(const std::vector<uint8_t> &data) {
   std::ostringstream output;
-  uint8_t max_items = this->response_bytes_;
+  uint8_t max_items = this->response_bytes;
   char buffer[4];
   bool add_comma = false;
   for (auto b : data) {
diff --git a/esphome/components/modbus_controller/text_sensor/modbus_textsensor.h b/esphome/components/modbus_controller/text_sensor/modbus_textsensor.h
index 77b5b9363a..3db4d94a45 100644
--- a/esphome/components/modbus_controller/text_sensor/modbus_textsensor.h
+++ b/esphome/components/modbus_controller/text_sensor/modbus_textsensor.h
@@ -17,7 +17,7 @@ class ModbusTextSensor : public Component, public text_sensor::TextSensor, publi
     this->register_type = register_type;
     this->start_address = start_address;
     this->offset = offset;
-    this->response_bytes_ = response_bytes;
+    this->response_bytes = response_bytes;
     this->register_count = register_count;
     this->encode_ = encode;
     this->skip_updates = skip_updates;
@@ -38,7 +38,6 @@ class ModbusTextSensor : public Component, public text_sensor::TextSensor, publi
 
  protected:
   RawEncoding encode_;
-  uint16_t response_bytes_;
 };
 
 }  // namespace modbus_controller