diff --git a/esphome/components/esp32/__init__.py b/esphome/components/esp32/__init__.py
index da550e58dc..aa7d215c06 100644
--- a/esphome/components/esp32/__init__.py
+++ b/esphome/components/esp32/__init__.py
@@ -644,6 +644,7 @@ CONF_DISABLE_VFS_SUPPORT_SELECT = "disable_vfs_support_select"
 CONF_DISABLE_VFS_SUPPORT_DIR = "disable_vfs_support_dir"
 CONF_FREERTOS_IN_IRAM = "freertos_in_iram"
 CONF_RINGBUF_IN_IRAM = "ringbuf_in_iram"
+CONF_HEAP_IN_IRAM = "heap_in_iram"
 CONF_LOOP_TASK_STACK_SIZE = "loop_task_stack_size"
 
 # VFS requirement tracking
@@ -745,6 +746,7 @@ FRAMEWORK_SCHEMA = cv.Schema(
                 cv.Optional(CONF_DISABLE_VFS_SUPPORT_DIR, default=True): cv.boolean,
                 cv.Optional(CONF_FREERTOS_IN_IRAM, default=False): cv.boolean,
                 cv.Optional(CONF_RINGBUF_IN_IRAM, default=False): cv.boolean,
+                cv.Optional(CONF_HEAP_IN_IRAM, default=False): cv.boolean,
                 cv.Optional(CONF_EXECUTE_FROM_PSRAM, default=False): cv.boolean,
                 cv.Optional(CONF_LOOP_TASK_STACK_SIZE, default=8192): cv.int_range(
                     min=8192, max=32768
@@ -1090,6 +1092,12 @@ async def to_code(config):
         # Place in flash to save IRAM (default)
         add_idf_sdkconfig_option("CONFIG_RINGBUF_PLACE_FUNCTIONS_INTO_FLASH", True)
 
+    # Place heap functions into flash to save IRAM (~4-6KB savings)
+    # Safe as long as heap functions are not called from ISRs (which they shouldn't be)
+    # Users can set heap_in_iram: true as an escape hatch if needed
+    if not conf[CONF_ADVANCED][CONF_HEAP_IN_IRAM]:
+        add_idf_sdkconfig_option("CONFIG_HEAP_PLACE_FUNCTION_INTO_FLASH", True)
+
     # Setup watchdog
     add_idf_sdkconfig_option("CONFIG_ESP_TASK_WDT", True)
     add_idf_sdkconfig_option("CONFIG_ESP_TASK_WDT_PANIC", True)