diff --git a/esphome/components/tuya/tuya.cpp b/esphome/components/tuya/tuya.cpp
index 2812fb6ad6..d0e00d425d 100644
--- a/esphome/components/tuya/tuya.cpp
+++ b/esphome/components/tuya/tuya.cpp
@@ -31,10 +31,21 @@ void Tuya::setup() {
 }
 
 void Tuya::loop() {
-  while (this->available()) {
-    uint8_t c;
-    this->read_byte(&c);
-    this->handle_char_(c);
+  int avail = this->available();
+  if (avail > 0) {
+    // Read all available bytes in batches to reduce UART call overhead.
+    uint8_t buf[64];
+    while (avail > 0) {
+      size_t to_read = std::min(static_cast<size_t>(avail), sizeof(buf));
+      if (!this->read_array(buf, to_read)) {
+        break;
+      }
+      avail -= to_read;
+
+      for (size_t i = 0; i < to_read; i++) {
+        this->handle_char_(buf[i]);
+      }
+    }
   }
   process_command_queue_();
 }