diff --git a/components/aux_ac/aux_ac.h b/components/aux_ac/aux_ac.h
index 0df9b8a..01ef829 100644
--- a/components/aux_ac/aux_ac.h
+++ b/components/aux_ac/aux_ac.h
@@ -1712,7 +1712,7 @@ class AirCon : public esphome::Component, public esphome::climate::Climate {
             pack->body[2] = (pack->body[2] & ~AC_TEMP_TARGET_INT_PART_MASK) | (((uint8_t)(cmd->temp_target) - 8) << 3);
 
             // дробная часть температуры
-            if (cmd->temp_target - (uint8_t)(cmd->temp_target) > 0) {
+            if (cmd->temp_target - (uint8_t)(cmd->temp_target) >= 0.5) {
                 pack->body[4] = (pack->body[4] | AC_TEMP_TARGET_FRAC_PART_MASK);
             } else {
                 pack->body[4] = (pack->body[4] & ~AC_TEMP_TARGET_FRAC_PART_MASK);
@@ -3388,4 +3388,4 @@ class AirCon : public esphome::Component, public esphome::climate::Climate {
 };
 
 }  // namespace aux_ac
-}  // namespace esphome
\ No newline at end of file
+}  // namespace esphome