diff --git a/esphome/components/cover/cover.cpp b/esphome/components/cover/cover.cpp
index 97b8c2213e..68688794d7 100644
--- a/esphome/components/cover/cover.cpp
+++ b/esphome/components/cover/cover.cpp
@@ -1,11 +1,11 @@
 #include "cover.h"
 #include "esphome/core/defines.h"
 #include "esphome/core/controller_registry.h"
+#include "esphome/core/log.h"
+#include "esphome/core/progmem.h"
 
 #include <strings.h>
 
-#include "esphome/core/log.h"
-
 namespace esphome::cover {
 
 static const char *const TAG = "cover";
@@ -39,13 +39,13 @@ Cover::Cover() : position{COVER_OPEN} {}
 
 CoverCall::CoverCall(Cover *parent) : parent_(parent) {}
 CoverCall &CoverCall::set_command(const char *command) {
-  if (strcasecmp(command, "OPEN") == 0) {
+  if (ESPHOME_strcasecmp_P(command, ESPHOME_PSTR("OPEN")) == 0) {
     this->set_command_open();
-  } else if (strcasecmp(command, "CLOSE") == 0) {
+  } else if (ESPHOME_strcasecmp_P(command, ESPHOME_PSTR("CLOSE")) == 0) {
     this->set_command_close();
-  } else if (strcasecmp(command, "STOP") == 0) {
+  } else if (ESPHOME_strcasecmp_P(command, ESPHOME_PSTR("STOP")) == 0) {
     this->set_command_stop();
-  } else if (strcasecmp(command, "TOGGLE") == 0) {
+  } else if (ESPHOME_strcasecmp_P(command, ESPHOME_PSTR("TOGGLE")) == 0) {
     this->set_command_toggle();
   } else {
     ESP_LOGW(TAG, "'%s' - Unrecognized command %s", this->parent_->get_name().c_str(), command);
diff --git a/esphome/components/valve/valve.cpp b/esphome/components/valve/valve.cpp
index a9086747ce..3a7c3cbf88 100644
--- a/esphome/components/valve/valve.cpp
+++ b/esphome/components/valve/valve.cpp
@@ -2,6 +2,8 @@
 #include "esphome/core/defines.h"
 #include "esphome/core/controller_registry.h"
 #include "esphome/core/log.h"
+#include "esphome/core/progmem.h"
+
 #include <strings.h>
 
 namespace esphome {
@@ -38,13 +40,13 @@ Valve::Valve() : position{VALVE_OPEN} {}
 
 ValveCall::ValveCall(Valve *parent) : parent_(parent) {}
 ValveCall &ValveCall::set_command(const char *command) {
-  if (strcasecmp(command, "OPEN") == 0) {
+  if (ESPHOME_strcasecmp_P(command, ESPHOME_PSTR("OPEN")) == 0) {
     this->set_command_open();
-  } else if (strcasecmp(command, "CLOSE") == 0) {
+  } else if (ESPHOME_strcasecmp_P(command, ESPHOME_PSTR("CLOSE")) == 0) {
     this->set_command_close();
-  } else if (strcasecmp(command, "STOP") == 0) {
+  } else if (ESPHOME_strcasecmp_P(command, ESPHOME_PSTR("STOP")) == 0) {
     this->set_command_stop();
-  } else if (strcasecmp(command, "TOGGLE") == 0) {
+  } else if (ESPHOME_strcasecmp_P(command, ESPHOME_PSTR("TOGGLE")) == 0) {
     this->set_command_toggle();
   } else {
     ESP_LOGW(TAG, "'%s' - Unrecognized command %s", this->parent_->get_name().c_str(), command);
diff --git a/esphome/core/helpers.cpp b/esphome/core/helpers.cpp
index e7b901d71f..1a5d22f8d8 100644
--- a/esphome/core/helpers.cpp
+++ b/esphome/core/helpers.cpp
@@ -3,6 +3,7 @@
 #include "esphome/core/defines.h"
 #include "esphome/core/hal.h"
 #include "esphome/core/log.h"
+#include "esphome/core/progmem.h"
 #include "esphome/core/string_ref.h"
 
 #include <strings.h>
@@ -451,15 +452,15 @@ std::string format_bin(const uint8_t *data, size_t length) {
 }
 
 ParseOnOffState parse_on_off(const char *str, const char *on, const char *off) {
-  if (on == nullptr && strcasecmp(str, "on") == 0)
+  if (on == nullptr && ESPHOME_strcasecmp_P(str, ESPHOME_PSTR("on")) == 0)
     return PARSE_ON;
   if (on != nullptr && strcasecmp(str, on) == 0)
     return PARSE_ON;
-  if (off == nullptr && strcasecmp(str, "off") == 0)
+  if (off == nullptr && ESPHOME_strcasecmp_P(str, ESPHOME_PSTR("off")) == 0)
     return PARSE_OFF;
   if (off != nullptr && strcasecmp(str, off) == 0)
     return PARSE_OFF;
-  if (strcasecmp(str, "toggle") == 0)
+  if (ESPHOME_strcasecmp_P(str, ESPHOME_PSTR("toggle")) == 0)
     return PARSE_TOGGLE;
 
   return PARSE_NONE;
diff --git a/esphome/core/progmem.h b/esphome/core/progmem.h
index 6c3e4cec96..4b897fb2de 100644
--- a/esphome/core/progmem.h
+++ b/esphome/core/progmem.h
@@ -12,6 +12,10 @@
 #define ESPHOME_strncpy_P strncpy_P
 #define ESPHOME_strncat_P strncat_P
 #define ESPHOME_snprintf_P snprintf_P
+#define ESPHOME_strcmp_P strcmp_P
+#define ESPHOME_strcasecmp_P strcasecmp_P
+#define ESPHOME_strncmp_P strncmp_P
+#define ESPHOME_strncasecmp_P strncasecmp_P
 // Type for pointers to PROGMEM strings (for use with ESPHOME_F return values)
 using ProgmemStr = const __FlashStringHelper *;
 #else
@@ -21,6 +25,10 @@ using ProgmemStr = const __FlashStringHelper *;
 #define ESPHOME_strncpy_P strncpy
 #define ESPHOME_strncat_P strncat
 #define ESPHOME_snprintf_P snprintf
+#define ESPHOME_strcmp_P strcmp
+#define ESPHOME_strcasecmp_P strcasecmp
+#define ESPHOME_strncmp_P strncmp
+#define ESPHOME_strncasecmp_P strncasecmp
 // Type for pointers to strings (no PROGMEM on non-ESP8266 platforms)
 using ProgmemStr = const char *;
 #endif