diff --git a/esphome/components/api/api_connection.cpp b/esphome/components/api/api_connection.cpp
index 45a9c120ee..357b6e1a32 100644
--- a/esphome/components/api/api_connection.cpp
+++ b/esphome/components/api/api_connection.cpp
@@ -1079,9 +1079,12 @@ void APIConnection::on_get_time_response(const GetTimeResponse &value) {
     homeassistant::global_homeassistant_time->set_epoch_time(value.epoch_seconds);
 #ifdef USE_TIME_TIMEZONE
     if (value.timezone_len > 0) {
-      std::string timezone_str(reinterpret_cast<const char *>(value.timezone), value.timezone_len);
-      if (timezone_str != homeassistant::global_homeassistant_time->get_timezone()) {
-        homeassistant::global_homeassistant_time->set_timezone(timezone_str);
+      const std::string &current_tz = homeassistant::global_homeassistant_time->get_timezone();
+      // Compare without allocating a string
+      if (current_tz.length() != value.timezone_len ||
+          memcmp(current_tz.c_str(), value.timezone, value.timezone_len) != 0) {
+        homeassistant::global_homeassistant_time->set_timezone(
+            std::string(reinterpret_cast<const char *>(value.timezone), value.timezone_len));
       }
     }
 #endif
@@ -1377,7 +1380,7 @@ void APIConnection::complete_authentication_() {
 }
 
 bool APIConnection::send_hello_response(const HelloRequest &msg) {
-  this->client_info_.name = std::string(reinterpret_cast<const char *>(msg.client_info), msg.client_info_len);
+  this->client_info_.name.assign(reinterpret_cast<const char *>(msg.client_info), msg.client_info_len);
   this->client_info_.peername = this->helper_->getpeername();
   this->client_api_version_major_ = msg.api_version_major;
   this->client_api_version_minor_ = msg.api_version_minor;