diff --git a/esphome/components/climate/climate_traits.h b/esphome/components/climate/climate_traits.h
index 7cf4a307e3..f84133aa2a 100644
--- a/esphome/components/climate/climate_traits.h
+++ b/esphome/components/climate/climate_traits.h
@@ -188,9 +188,7 @@ class ClimateTraits {
 
   void set_supported_swing_modes(ClimateSwingModeMask modes) { this->supported_swing_modes_ = modes; }
   void add_supported_swing_mode(ClimateSwingMode mode) { this->supported_swing_modes_.insert(mode); }
-  bool supports_swing_mode(ClimateSwingMode swing_mode) const {
-    return this->supported_swing_modes_.count(swing_mode) > 0;
-  }
+  bool supports_swing_mode(ClimateSwingMode swing_mode) const { return this->supported_swing_modes_.count(swing_mode); }
   bool get_supports_swing_modes() const { return !this->supported_swing_modes_.empty(); }
   const ClimateSwingModeMask &get_supported_swing_modes() const { return this->supported_swing_modes_; }
 
diff --git a/esphome/components/haier/hon_climate.cpp b/esphome/components/haier/hon_climate.cpp
index b7ec065261..23d28bfd47 100644
--- a/esphome/components/haier/hon_climate.cpp
+++ b/esphome/components/haier/hon_climate.cpp
@@ -1034,8 +1034,8 @@ haier_protocol::HandlerError HonClimate::process_status_message_(const uint8_t *
     // Swing mode
     ClimateSwingMode old_swing_mode = this->swing_mode;
     const auto &swing_modes = traits_.get_supported_swing_modes();
-    bool vertical_swing_supported = swing_modes.count(CLIMATE_SWING_VERTICAL) > 0;
-    bool horizontal_swing_supported = swing_modes.count(CLIMATE_SWING_HORIZONTAL) > 0;
+    bool vertical_swing_supported = swing_modes.count(CLIMATE_SWING_VERTICAL);
+    bool horizontal_swing_supported = swing_modes.count(CLIMATE_SWING_HORIZONTAL);
     if (horizontal_swing_supported &&
         (packet.control.horizontal_swing_mode == (uint8_t) hon_protocol::HorizontalSwingMode::AUTO)) {
       if (vertical_swing_supported &&
@@ -1218,13 +1218,13 @@ void HonClimate::fill_control_messages_queue_() {
                                                 (uint8_t) hon_protocol::DataParameters::QUIET_MODE,
                                             quiet_mode_buf, 2);
     }
-    if ((fast_mode_buf[1] != 0xFF) && (presets.count(climate::ClimatePreset::CLIMATE_PRESET_BOOST) > 0)) {
+    if ((fast_mode_buf[1] != 0xFF) && presets.count(climate::ClimatePreset::CLIMATE_PRESET_BOOST)) {
       this->control_messages_queue_.emplace(haier_protocol::FrameType::CONTROL,
                                             (uint16_t) hon_protocol::SubcommandsControl::SET_SINGLE_PARAMETER +
                                                 (uint8_t) hon_protocol::DataParameters::FAST_MODE,
                                             fast_mode_buf, 2);
     }
-    if ((away_mode_buf[1] != 0xFF) && (presets.count(climate::ClimatePreset::CLIMATE_PRESET_AWAY) > 0)) {
+    if ((away_mode_buf[1] != 0xFF) && presets.count(climate::ClimatePreset::CLIMATE_PRESET_AWAY)) {
       this->control_messages_queue_.emplace(haier_protocol::FrameType::CONTROL,
                                             (uint16_t) hon_protocol::SubcommandsControl::SET_SINGLE_PARAMETER +
                                                 (uint8_t) hon_protocol::DataParameters::TEN_DEGREE,
diff --git a/esphome/components/toshiba/toshiba.cpp b/esphome/components/toshiba/toshiba.cpp
index ef96caf238..5efa70d6b4 100644
--- a/esphome/components/toshiba/toshiba.cpp
+++ b/esphome/components/toshiba/toshiba.cpp
@@ -405,7 +405,7 @@ void ToshibaClimate::setup() {
   this->swing_modes_ = this->toshiba_swing_modes_();
 
   // Ensure swing mode is always initialized to a valid value
-  if (this->swing_modes_.empty() || (this->swing_modes_.count(this->swing_mode) == 0)) {
+  if (this->swing_modes_.empty() || !this->swing_modes_.count(this->swing_mode)) {
     // No swing support for this model or current swing mode not supported, reset to OFF
     this->swing_mode = climate::CLIMATE_SWING_OFF;
   }