diff --git a/esphome/components/climate_ir/climate_ir.cpp b/esphome/components/climate_ir/climate_ir.cpp
index 0c128b2fcdf..8380e5e9d06 100644
--- a/esphome/components/climate_ir/climate_ir.cpp
+++ b/esphome/components/climate_ir/climate_ir.cpp
@@ -75,12 +75,12 @@ void ClimateIR::control(const climate::ClimateCall &call) {
     this->mode = *val;
   if (auto val = call.get_target_temperature(); val.has_value())
     this->target_temperature = *val;
-  if (call.get_fan_mode().has_value())
-    this->fan_mode = call.get_fan_mode();
+  if (auto val = call.get_fan_mode(); val.has_value())
+    this->fan_mode = val;
   if (auto val = call.get_swing_mode(); val.has_value())
     this->swing_mode = *val;
-  if (call.get_preset().has_value())
-    this->preset = call.get_preset();
+  if (auto val = call.get_preset(); val.has_value())
+    this->preset = val;
   this->transmit_state();
   this->publish_state();
 }
diff --git a/esphome/components/esp32_rmt_led_strip/led_strip.cpp b/esphome/components/esp32_rmt_led_strip/led_strip.cpp
index 24ef4c12566..f0d0a557d6f 100644
--- a/esphome/components/esp32_rmt_led_strip/led_strip.cpp
+++ b/esphome/components/esp32_rmt_led_strip/led_strip.cpp
@@ -162,7 +162,7 @@ void ESP32RMTLEDStripLightOutput::set_led_params(uint32_t bit0_high, uint32_t bi
 void ESP32RMTLEDStripLightOutput::write_state(light::LightState *state) {
   // protect from refreshing too often
   uint32_t now = micros();
-  if (this->max_refresh_rate_.value_or(0) != 0 && (now - this->last_refresh_) < this->max_refresh_rate_.value_or(0)) {
+  if (auto rate = this->max_refresh_rate_.value_or(0); rate != 0 && (now - this->last_refresh_) < rate) {
     // try again next loop iteration, so that this change won't get lost
     this->schedule_show();
     return;
diff --git a/esphome/components/haier/hon_climate.cpp b/esphome/components/haier/hon_climate.cpp
index 7e51d62d061..1fa00857a5f 100644
--- a/esphome/components/haier/hon_climate.cpp
+++ b/esphome/components/haier/hon_climate.cpp
@@ -938,7 +938,7 @@ haier_protocol::HandlerError HonClimate::process_status_message_(const uint8_t *
         break;
     }
     should_publish = should_publish || (!old_fan_mode.has_value()) ||
-                     (old_fan_mode.value_or(CLIMATE_FAN_AUTO) != fan_mode.value_or(CLIMATE_FAN_AUTO));
+                     (old_fan_mode.value_or(CLIMATE_FAN_AUTO) != this->fan_mode.value_or(CLIMATE_FAN_AUTO));
   }
   // Display status
   // should be before "Climate mode" because it is changing this->mode
diff --git a/esphome/components/haier/smartair2_climate.cpp b/esphome/components/haier/smartair2_climate.cpp
index 2101e44df69..e4806a9de0d 100644
--- a/esphome/components/haier/smartair2_climate.cpp
+++ b/esphome/components/haier/smartair2_climate.cpp
@@ -448,7 +448,7 @@ haier_protocol::HandlerError Smartair2Climate::process_status_message_(const uin
         break;
     }
     should_publish = should_publish || (!old_fan_mode.has_value()) ||
-                     (old_fan_mode.value_or(CLIMATE_FAN_AUTO) != fan_mode.value_or(CLIMATE_FAN_AUTO));
+                     (old_fan_mode.value_or(CLIMATE_FAN_AUTO) != this->fan_mode.value_or(CLIMATE_FAN_AUTO));
   }
   // Display status
   // should be before "Climate mode" because it is changing this->mode
diff --git a/esphome/components/sgp4x/sgp4x.h b/esphome/components/sgp4x/sgp4x.h
index 52acaadbe83..89fa627c61c 100644
--- a/esphome/components/sgp4x/sgp4x.h
+++ b/esphome/components/sgp4x/sgp4x.h
@@ -81,14 +81,14 @@ class SGP4xComponent : public PollingComponent, public sensor::Sensor, public se
   void set_voc_algorithm_tuning(uint16_t index_offset, uint16_t learning_time_offset_hours,
                                 uint16_t learning_time_gain_hours, uint16_t gating_max_duration_minutes,
                                 uint16_t std_initial, uint16_t gain_factor) {
-    voc_tuning_params_ = GasTuning{
+    this->voc_tuning_params_ = GasTuning{
         index_offset, learning_time_offset_hours, learning_time_gain_hours, gating_max_duration_minutes, std_initial,
         gain_factor};
   }
   void set_nox_algorithm_tuning(uint16_t index_offset, uint16_t learning_time_offset_hours,
                                 uint16_t learning_time_gain_hours, uint16_t gating_max_duration_minutes,
                                 uint16_t gain_factor) {
-    nox_tuning_params_ =
+    this->nox_tuning_params_ =
         GasTuning{index_offset, learning_time_offset_hours, learning_time_gain_hours, gating_max_duration_minutes, 50,
                   gain_factor};
   }