From 7a4cf13e0c998bb08f85c57461d270c399dfb694 Mon Sep 17 00:00:00 2001
From: anatoly-savchenkov
 <48646998+anatoly-savchenkov@users.noreply.github.com>
Date: Sun, 4 Sep 2022 10:21:17 +0300
Subject: [PATCH] Ignore NaN states in the integration component (#3767)

---
 esphome/components/integration/integration_sensor.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/esphome/components/integration/integration_sensor.cpp b/esphome/components/integration/integration_sensor.cpp
index 65fa42dd0d..2ac7caca21 100644
--- a/esphome/components/integration/integration_sensor.cpp
+++ b/esphome/components/integration/integration_sensor.cpp
@@ -23,6 +23,8 @@ void IntegrationSensor::setup() {
 }
 void IntegrationSensor::dump_config() { LOG_SENSOR("", "Integration Sensor", this); }
 void IntegrationSensor::process_sensor_value_(float value) {
+  if (std::isnan(value))
+    return;
   const uint32_t now = millis();
   const double old_value = this->last_value_;
   const double new_value = value;