diff --git a/esphome/components/optolink/__init__.py b/esphome/components/optolink/__init__.py
index 2b086db404..4377f4c5e6 100644
--- a/esphome/components/optolink/__init__.py
+++ b/esphome/components/optolink/__init__.py
@@ -44,7 +44,9 @@ SENSOR_BASE_SCHEMA = cv.Schema(
         ),
         cv.Required(CONF_ADDRESS): cv.hex_uint32_t,
         # cv.Required(CONF_BYTES): cv.one_of(1, 2, 4, int=True),
-        cv.Optional(CONF_DIV_RATIO, default=1): cv.one_of(1, 10, 100, 3600, int=True),
+        cv.Optional(CONF_DIV_RATIO, default=1): cv.one_of(
+            1, 10, 100, 1000, 3600, int=True
+        ),
     }
 )
 
diff --git a/esphome/components/optolink/optolink_sensor_base.cpp b/esphome/components/optolink/optolink_sensor_base.cpp
index 856a59d56e..2af6a22471 100644
--- a/esphome/components/optolink/optolink_sensor_base.cpp
+++ b/esphome/components/optolink/optolink_sensor_base.cpp
@@ -84,6 +84,17 @@ void OptolinkSensorBase::setup_datapoint() {
           unfitting_value_type();
       }
       break;
+    case 1000:
+      switch (bytes_) {
+        case 4:
+          datapoint_ = new Datapoint<conv4_1000_F>(get_component_name().c_str(), "optolink", address_, writeable_);
+          datapoint_->setCallback([this](const IDatapoint &dp, DPValue dp_value) {
+            ESP_LOGI(TAG, "recieved data for datapoint %s: %f", dp.getName(), dp_value.getFloat());
+            value_changed(dp_value.getFloat());
+          });
+          break;
+      }
+      break;
     case 3600:
       switch (bytes_) {
         case 4:
@@ -94,6 +105,7 @@ void OptolinkSensorBase::setup_datapoint() {
           });
           break;
       }
+      break;
     default:
       unfitting_value_type();
   }
@@ -209,6 +221,20 @@ DPValue conv2_100_F::decode(const uint8_t *in) {
   return out;
 }
 
+void conv4_1000_F::encode(uint8_t *out, DPValue in) {
+  int32_t tmp = floor((in.getFloat() * 1000) + 0.5);
+  out[3] = tmp >> 24;
+  out[2] = tmp >> 16;
+  out[1] = tmp >> 8;
+  out[0] = tmp & 0xFF;
+}
+
+DPValue conv4_1000_F::decode(const uint8_t *in) {
+  int32_t tmp = in[3] << 24 | in[2] << 16 | in[1] << 8 | in[0];
+  DPValue out(tmp / 1000.0f);
+  return out;
+}
+
 }  // namespace optolink
 }  // namespace esphome
 
diff --git a/esphome/components/optolink/optolink_sensor_base.h b/esphome/components/optolink/optolink_sensor_base.h
index abb6b56967..dd5d89c925 100644
--- a/esphome/components/optolink/optolink_sensor_base.h
+++ b/esphome/components/optolink/optolink_sensor_base.h
@@ -58,6 +58,14 @@ class conv2_100_F : public DPType {
   size_t get_length() const { return 2; }
 };
 
+// NOLINTNEXTLINE
+class conv4_1000_F : public DPType {
+ public:
+  void encode(uint8_t *out, DPValue in);
+  DPValue decode(const uint8_t *in);
+  const size_t getLength() const { return 4; }
+};
+
 }  // namespace optolink
 }  // namespace esphome