diff --git a/esphome/components/ade7880/sensor.py b/esphome/components/ade7880/sensor.py
index 42a2b0d3fc..e075adb04c 100644
--- a/esphome/components/ade7880/sensor.py
+++ b/esphome/components/ade7880/sensor.py
@@ -19,6 +19,7 @@ from esphome.const import (
     CONF_RESET_PIN,
     CONF_REVERSE_ACTIVE_ENERGY,
     CONF_VOLTAGE,
+    CONF_VOLTAGE_GAIN,
     DEVICE_CLASS_APPARENT_POWER,
     DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_ENERGY,
@@ -47,7 +48,6 @@ CONF_CURRENT_GAIN = "current_gain"
 CONF_IRQ0_PIN = "irq0_pin"
 CONF_IRQ1_PIN = "irq1_pin"
 CONF_POWER_GAIN = "power_gain"
-CONF_VOLTAGE_GAIN = "voltage_gain"
 
 CONF_NEUTRAL = "neutral"
 
diff --git a/esphome/components/ade7953_base/__init__.py b/esphome/components/ade7953_base/__init__.py
index 28014ef142..af3f629ca8 100644
--- a/esphome/components/ade7953_base/__init__.py
+++ b/esphome/components/ade7953_base/__init__.py
@@ -6,6 +6,7 @@ from esphome.const import (
     CONF_IRQ_PIN,
     CONF_VOLTAGE,
     CONF_FREQUENCY,
+    CONF_VOLTAGE_GAIN,
     DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_APPARENT_POWER,
     DEVICE_CLASS_POWER,
@@ -36,7 +37,6 @@ CONF_POWER_FACTOR_B = "power_factor_b"
 CONF_VOLTAGE_PGA_GAIN = "voltage_pga_gain"
 CONF_CURRENT_PGA_GAIN_A = "current_pga_gain_a"
 CONF_CURRENT_PGA_GAIN_B = "current_pga_gain_b"
-CONF_VOLTAGE_GAIN = "voltage_gain"
 CONF_CURRENT_GAIN_A = "current_gain_a"
 CONF_CURRENT_GAIN_B = "current_gain_b"
 CONF_ACTIVE_POWER_GAIN_A = "active_power_gain_a"
diff --git a/esphome/components/at581x/__init__.py b/esphome/components/at581x/__init__.py
index 2860d21f6c..e636510a4b 100644
--- a/esphome/components/at581x/__init__.py
+++ b/esphome/components/at581x/__init__.py
@@ -22,7 +22,6 @@ CONF_AT581X_ID = "at581x_id"
 
 
 CONF_SENSING_DISTANCE = "sensing_distance"
-CONF_SENSITIVITY = "sensitivity"
 CONF_POWERON_SELFCHECK_TIME = "poweron_selfcheck_time"
 CONF_PROTECT_TIME = "protect_time"
 CONF_TRIGGER_BASE = "trigger_base"
diff --git a/esphome/components/bl0940/sensor.py b/esphome/components/bl0940/sensor.py
index fc2b04f976..5cb1472d76 100644
--- a/esphome/components/bl0940/sensor.py
+++ b/esphome/components/bl0940/sensor.py
@@ -6,6 +6,7 @@ from esphome.const import (
     CONF_ENERGY,
     CONF_EXTERNAL_TEMPERATURE,
     CONF_ID,
+    CONF_INTERNAL_TEMPERATURE,
     CONF_POWER,
     CONF_VOLTAGE,
     DEVICE_CLASS_CURRENT,
@@ -24,7 +25,6 @@ from esphome.const import (
 
 DEPENDENCIES = ["uart"]
 
-CONF_INTERNAL_TEMPERATURE = "internal_temperature"
 
 bl0940_ns = cg.esphome_ns.namespace("bl0940")
 BL0940 = bl0940_ns.class_("BL0940", cg.PollingComponent, uart.UARTDevice)
diff --git a/esphome/components/bme680_bsec/__init__.py b/esphome/components/bme680_bsec/__init__.py
index 15c17f4064..62ab50b8f7 100644
--- a/esphome/components/bme680_bsec/__init__.py
+++ b/esphome/components/bme680_bsec/__init__.py
@@ -1,7 +1,7 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import i2c, esp32
-from esphome.const import CONF_ID
+from esphome.const import CONF_ID, CONF_TEMPERATURE_OFFSET
 
 CODEOWNERS = ["@trvrnrth"]
 DEPENDENCIES = ["i2c"]
@@ -9,7 +9,6 @@ AUTO_LOAD = ["sensor", "text_sensor"]
 MULTI_CONF = True
 
 CONF_BME680_BSEC_ID = "bme680_bsec_id"
-CONF_TEMPERATURE_OFFSET = "temperature_offset"
 CONF_IAQ_MODE = "iaq_mode"
 CONF_SUPPLY_VOLTAGE = "supply_voltage"
 CONF_SAMPLE_RATE = "sample_rate"
diff --git a/esphome/components/cs5460a/sensor.py b/esphome/components/cs5460a/sensor.py
index c27fc5fc3c..d8219e1df1 100644
--- a/esphome/components/cs5460a/sensor.py
+++ b/esphome/components/cs5460a/sensor.py
@@ -6,6 +6,7 @@ from esphome.const import (
     CONF_ID,
     CONF_POWER,
     CONF_VOLTAGE,
+    CONF_VOLTAGE_GAIN,
     UNIT_VOLT,
     UNIT_AMPERE,
     UNIT_WATT,
@@ -33,7 +34,6 @@ CONF_SAMPLES = "samples"
 CONF_PHASE_OFFSET = "phase_offset"
 CONF_PGA_GAIN = "pga_gain"
 CONF_CURRENT_GAIN = "current_gain"
-CONF_VOLTAGE_GAIN = "voltage_gain"
 CONF_CURRENT_HPF = "current_hpf"
 CONF_VOLTAGE_HPF = "voltage_hpf"
 CONF_PULSE_ENERGY = "pulse_energy"
diff --git a/esphome/components/daikin_brc/climate.py b/esphome/components/daikin_brc/climate.py
index 3468b6533c..7a5bd9b14d 100644
--- a/esphome/components/daikin_brc/climate.py
+++ b/esphome/components/daikin_brc/climate.py
@@ -1,14 +1,13 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import climate_ir
-from esphome.const import CONF_ID
+from esphome.const import CONF_ID, CONF_USE_FAHRENHEIT
 
 AUTO_LOAD = ["climate_ir"]
 
 daikin_brc_ns = cg.esphome_ns.namespace("daikin_brc")
 DaikinBrcClimate = daikin_brc_ns.class_("DaikinBrcClimate", climate_ir.ClimateIR)
 
-CONF_USE_FAHRENHEIT = "use_fahrenheit"
 
 CONFIG_SCHEMA = climate_ir.CLIMATE_IR_WITH_RECEIVER_SCHEMA.extend(
     {
diff --git a/esphome/components/dfrobot_sen0395/__init__.py b/esphome/components/dfrobot_sen0395/__init__.py
index 2197ee5ef8..39787ca66b 100644
--- a/esphome/components/dfrobot_sen0395/__init__.py
+++ b/esphome/components/dfrobot_sen0395/__init__.py
@@ -2,7 +2,7 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome import automation
 from esphome.automation import maybe_simple_id
-from esphome.const import CONF_ID
+from esphome.const import CONF_FACTORY_RESET, CONF_ID, CONF_SENSITIVITY
 from esphome.components import uart
 
 CODEOWNERS = ["@niklasweber"]
@@ -28,8 +28,6 @@ CONF_DELAY_AFTER_DETECT = "delay_after_detect"
 CONF_DELAY_AFTER_DISAPPEAR = "delay_after_disappear"
 CONF_DETECTION_SEGMENTS = "detection_segments"
 CONF_OUTPUT_LATENCY = "output_latency"
-CONF_FACTORY_RESET = "factory_reset"
-CONF_SENSITIVITY = "sensitivity"
 
 CONFIG_SCHEMA = cv.All(
     cv.Schema(
diff --git a/esphome/components/emc2101/sensor/__init__.py b/esphome/components/emc2101/sensor/__init__.py
index 9f3fbdce00..10ea3dfae6 100644
--- a/esphome/components/emc2101/sensor/__init__.py
+++ b/esphome/components/emc2101/sensor/__init__.py
@@ -4,6 +4,7 @@ from esphome.components import sensor
 from esphome.const import (
     CONF_EXTERNAL_TEMPERATURE,
     CONF_ID,
+    CONF_INTERNAL_TEMPERATURE,
     CONF_SPEED,
     DEVICE_CLASS_TEMPERATURE,
     STATE_CLASS_MEASUREMENT,
@@ -16,7 +17,6 @@ from .. import EMC2101_COMPONENT_SCHEMA, CONF_EMC2101_ID, emc2101_ns
 
 DEPENDENCIES = ["emc2101"]
 
-CONF_INTERNAL_TEMPERATURE = "internal_temperature"
 CONF_DUTY_CYCLE = "duty_cycle"
 
 EMC2101Sensor = emc2101_ns.class_("EMC2101Sensor", cg.PollingComponent)
diff --git a/esphome/components/ens160/sensor.py b/esphome/components/ens160/sensor.py
index 393b63bae1..6572c4e397 100644
--- a/esphome/components/ens160/sensor.py
+++ b/esphome/components/ens160/sensor.py
@@ -2,6 +2,7 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import i2c, sensor
 from esphome.const import (
+    CONF_COMPENSATION,
     CONF_ECO2,
     CONF_HUMIDITY,
     CONF_ID,
@@ -27,7 +28,6 @@ ENS160Component = ens160_ns.class_(
 )
 
 CONF_AQI = "aqi"
-CONF_COMPENSATION = "compensation"
 UNIT_INDEX = "index"
 
 CONFIG_SCHEMA = (
diff --git a/esphome/components/esp32_ble/__init__.py b/esphome/components/esp32_ble/__init__.py
index 088a3b6d1e..d88161e3e0 100644
--- a/esphome/components/esp32_ble/__init__.py
+++ b/esphome/components/esp32_ble/__init__.py
@@ -1,7 +1,7 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome import automation
-from esphome.const import CONF_ID
+from esphome.const import CONF_ENABLE_ON_BOOT, CONF_ID
 from esphome.core import CORE
 from esphome.components.esp32 import add_idf_sdkconfig_option, get_esp32_variant, const
 
@@ -11,7 +11,6 @@ CONFLICTS_WITH = ["esp32_ble_beacon"]
 
 CONF_BLE_ID = "ble_id"
 CONF_IO_CAPABILITY = "io_capability"
-CONF_ENABLE_ON_BOOT = "enable_on_boot"
 
 NO_BLUETOOTH_VARIANTS = [const.VARIANT_ESP32S2]
 
diff --git a/esphome/components/esp32_camera/__init__.py b/esphome/components/esp32_camera/__init__.py
index ee8a889f4c..462900d401 100644
--- a/esphome/components/esp32_camera/__init__.py
+++ b/esphome/components/esp32_camera/__init__.py
@@ -14,6 +14,7 @@ from esphome.const import (
     CONF_BRIGHTNESS,
     CONF_CONTRAST,
     CONF_TRIGGER_ID,
+    CONF_VSYNC_PIN,
 )
 from esphome.core import CORE
 from esphome.components.esp32 import add_idf_sdkconfig_option
@@ -112,7 +113,6 @@ ENUM_SPECIAL_EFFECT = {
 }
 
 # pin assignment
-CONF_VSYNC_PIN = "vsync_pin"
 CONF_HREF_PIN = "href_pin"
 CONF_PIXEL_CLOCK_PIN = "pixel_clock_pin"
 CONF_EXTERNAL_CLOCK = "external_clock"
diff --git a/esphome/components/graphical_display_menu/__init__.py b/esphome/components/graphical_display_menu/__init__.py
index 3849449523..1b3ed7f8cd 100644
--- a/esphome/components/graphical_display_menu/__init__.py
+++ b/esphome/components/graphical_display_menu/__init__.py
@@ -1,7 +1,7 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import display, font, color
-from esphome.const import CONF_ID, CONF_TRIGGER_ID
+from esphome.const import CONF_DISPLAY, CONF_ID, CONF_TRIGGER_ID
 from esphome import automation, core
 
 from esphome.components.display_menu_base import (
@@ -10,7 +10,6 @@ from esphome.components.display_menu_base import (
     display_menu_to_code,
 )
 
-CONF_DISPLAY = "display"
 CONF_FONT = "font"
 CONF_MENU_ITEM_VALUE = "menu_item_value"
 CONF_FOREGROUND_COLOR = "foreground_color"
diff --git a/esphome/components/haier/climate.py b/esphome/components/haier/climate.py
index a700be8be2..b16244fd90 100644
--- a/esphome/components/haier/climate.py
+++ b/esphome/components/haier/climate.py
@@ -6,12 +6,14 @@ from esphome.components import uart, climate, logger
 from esphome import automation
 from esphome.const import (
     CONF_BEEPER,
+    CONF_DISPLAY,
     CONF_ID,
     CONF_LEVEL,
     CONF_LOGGER,
     CONF_LOGS,
     CONF_MAX_TEMPERATURE,
     CONF_MIN_TEMPERATURE,
+    CONF_OUTDOOR_TEMPERATURE,
     CONF_PROTOCOL,
     CONF_SUPPORTED_MODES,
     CONF_SUPPORTED_PRESETS,
@@ -43,11 +45,9 @@ CONF_ALTERNATIVE_SWING_CONTROL = "alternative_swing_control"
 CONF_ANSWER_TIMEOUT = "answer_timeout"
 CONF_CONTROL_METHOD = "control_method"
 CONF_CONTROL_PACKET_SIZE = "control_packet_size"
-CONF_DISPLAY = "display"
 CONF_HORIZONTAL_AIRFLOW = "horizontal_airflow"
 CONF_ON_ALARM_START = "on_alarm_start"
 CONF_ON_ALARM_END = "on_alarm_end"
-CONF_OUTDOOR_TEMPERATURE = "outdoor_temperature"
 CONF_VERTICAL_AIRFLOW = "vertical_airflow"
 CONF_WIFI_SIGNAL = "wifi_signal"
 
diff --git a/esphome/components/haier/sensor/__init__.py b/esphome/components/haier/sensor/__init__.py
index 9a4965493d..01f997baa5 100644
--- a/esphome/components/haier/sensor/__init__.py
+++ b/esphome/components/haier/sensor/__init__.py
@@ -2,6 +2,7 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import sensor
 from esphome.const import (
+    CONF_OUTDOOR_TEMPERATURE,
     CONF_POWER,
     CONF_HUMIDITY,
     DEVICE_CLASS_CURRENT,
@@ -41,7 +42,6 @@ CONF_OUTDOOR_COIL_TEMPERATURE = "outdoor_coil_temperature"
 CONF_OUTDOOR_DEFROST_TEMPERATURE = "outdoor_defrost_temperature"
 CONF_OUTDOOR_IN_AIR_TEMPERATURE = "outdoor_in_air_temperature"
 CONF_OUTDOOR_OUT_AIR_TEMPERATURE = "outdoor_out_air_temperature"
-CONF_OUTDOOR_TEMPERATURE = "outdoor_temperature"
 
 # Additional icons
 ICON_SNOWFLAKE_THERMOMETER = "mdi:snowflake-thermometer"
diff --git a/esphome/components/hmc5883l/sensor.py b/esphome/components/hmc5883l/sensor.py
index 7edd13965e..f2decea150 100644
--- a/esphome/components/hmc5883l/sensor.py
+++ b/esphome/components/hmc5883l/sensor.py
@@ -6,6 +6,7 @@ from esphome.const import (
     CONF_FIELD_STRENGTH_X,
     CONF_FIELD_STRENGTH_Y,
     CONF_FIELD_STRENGTH_Z,
+    CONF_HEADING,
     CONF_ID,
     CONF_OVERSAMPLING,
     CONF_RANGE,
@@ -21,7 +22,6 @@ DEPENDENCIES = ["i2c"]
 
 hmc5883l_ns = cg.esphome_ns.namespace("hmc5883l")
 
-CONF_HEADING = "heading"
 
 HMC5883LComponent = hmc5883l_ns.class_(
     "HMC5883LComponent", cg.PollingComponent, i2c.I2CDevice
diff --git a/esphome/components/inkplate6/display.py b/esphome/components/inkplate6/display.py
index bcd9580448..58a146d2fd 100644
--- a/esphome/components/inkplate6/display.py
+++ b/esphome/components/inkplate6/display.py
@@ -7,6 +7,7 @@ from esphome.const import (
     CONF_ID,
     CONF_LAMBDA,
     CONF_MODEL,
+    CONF_OE_PIN,
     CONF_PAGES,
     CONF_WAKEUP_PIN,
 )
@@ -29,7 +30,6 @@ CONF_GREYSCALE = "greyscale"
 CONF_GMOD_PIN = "gmod_pin"
 CONF_GPIO0_ENABLE_PIN = "gpio0_enable_pin"
 CONF_LE_PIN = "le_pin"
-CONF_OE_PIN = "oe_pin"
 CONF_PARTIAL_UPDATING = "partial_updating"
 CONF_POWERUP_PIN = "powerup_pin"
 CONF_SPH_PIN = "sph_pin"
diff --git a/esphome/components/kmeteriso/sensor.py b/esphome/components/kmeteriso/sensor.py
index e730e446ae..082a055701 100644
--- a/esphome/components/kmeteriso/sensor.py
+++ b/esphome/components/kmeteriso/sensor.py
@@ -3,6 +3,7 @@ import esphome.config_validation as cv
 from esphome.components import i2c, sensor
 from esphome.const import (
     CONF_ID,
+    CONF_INTERNAL_TEMPERATURE,
     CONF_TEMPERATURE,
     DEVICE_CLASS_TEMPERATURE,
     STATE_CLASS_MEASUREMENT,
@@ -10,7 +11,6 @@ from esphome.const import (
     ENTITY_CATEGORY_DIAGNOSTIC,
 )
 
-CONF_INTERNAL_TEMPERATURE = "internal_temperature"
 DEPENDENCIES = ["i2c"]
 
 kmeteriso_ns = cg.esphome_ns.namespace("kmeteriso")
diff --git a/esphome/components/ld2410/binary_sensor.py b/esphome/components/ld2410/binary_sensor.py
index 3057480d25..e00ab93be2 100644
--- a/esphome/components/ld2410/binary_sensor.py
+++ b/esphome/components/ld2410/binary_sensor.py
@@ -8,13 +8,13 @@ from esphome.const import (
     ENTITY_CATEGORY_DIAGNOSTIC,
     ICON_MOTION_SENSOR,
     ICON_ACCOUNT,
+    CONF_HAS_TARGET,
+    CONF_HAS_MOVING_TARGET,
+    CONF_HAS_STILL_TARGET,
 )
 from . import CONF_LD2410_ID, LD2410Component
 
 DEPENDENCIES = ["ld2410"]
-CONF_HAS_TARGET = "has_target"
-CONF_HAS_MOVING_TARGET = "has_moving_target"
-CONF_HAS_STILL_TARGET = "has_still_target"
 CONF_OUT_PIN_PRESENCE_STATUS = "out_pin_presence_status"
 
 CONFIG_SCHEMA = {
diff --git a/esphome/components/ld2410/button/__init__.py b/esphome/components/ld2410/button/__init__.py
index 3567114c2c..34b18e8bdd 100644
--- a/esphome/components/ld2410/button/__init__.py
+++ b/esphome/components/ld2410/button/__init__.py
@@ -2,6 +2,8 @@ import esphome.codegen as cg
 from esphome.components import button
 import esphome.config_validation as cv
 from esphome.const import (
+    CONF_FACTORY_RESET,
+    CONF_RESTART,
     DEVICE_CLASS_RESTART,
     ENTITY_CATEGORY_DIAGNOSTIC,
     ENTITY_CATEGORY_CONFIG,
@@ -15,8 +17,6 @@ QueryButton = ld2410_ns.class_("QueryButton", button.Button)
 ResetButton = ld2410_ns.class_("ResetButton", button.Button)
 RestartButton = ld2410_ns.class_("RestartButton", button.Button)
 
-CONF_FACTORY_RESET = "factory_reset"
-CONF_RESTART = "restart"
 CONF_QUERY_PARAMS = "query_params"
 
 CONFIG_SCHEMA = {
diff --git a/esphome/components/ld2420/binary_sensor/__init__.py b/esphome/components/ld2420/binary_sensor/__init__.py
index f94e4d969f..43e22d0348 100644
--- a/esphome/components/ld2420/binary_sensor/__init__.py
+++ b/esphome/components/ld2420/binary_sensor/__init__.py
@@ -1,14 +1,13 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import binary_sensor
-from esphome.const import CONF_ID, DEVICE_CLASS_OCCUPANCY
+from esphome.const import CONF_ID, DEVICE_CLASS_OCCUPANCY, CONF_HAS_TARGET
 from .. import ld2420_ns, LD2420Component, CONF_LD2420_ID
 
 LD2420BinarySensor = ld2420_ns.class_(
     "LD2420BinarySensor", binary_sensor.BinarySensor, cg.Component
 )
 
-CONF_HAS_TARGET = "has_target"
 
 CONFIG_SCHEMA = cv.All(
     cv.COMPONENT_SCHEMA.extend(
diff --git a/esphome/components/ld2420/button/__init__.py b/esphome/components/ld2420/button/__init__.py
index 675e041dd4..df774ad7bc 100644
--- a/esphome/components/ld2420/button/__init__.py
+++ b/esphome/components/ld2420/button/__init__.py
@@ -2,6 +2,7 @@ import esphome.codegen as cg
 from esphome.components import button
 import esphome.config_validation as cv
 from esphome.const import (
+    CONF_FACTORY_RESET,
     DEVICE_CLASS_RESTART,
     ENTITY_CATEGORY_DIAGNOSTIC,
     ENTITY_CATEGORY_CONFIG,
@@ -19,7 +20,6 @@ LD2420FactoryResetButton = ld2420_ns.class_("LD2420FactoryResetButton", button.B
 CONF_APPLY_CONFIG = "apply_config"
 CONF_REVERT_CONFIG = "revert_config"
 CONF_RESTART_MODULE = "restart_module"
-CONF_FACTORY_RESET = "factory_reset"
 
 
 CONFIG_SCHEMA = {
diff --git a/esphome/components/mcp3008/sensor/__init__.py b/esphome/components/mcp3008/sensor/__init__.py
index c56965d517..8ae00ef29e 100644
--- a/esphome/components/mcp3008/sensor/__init__.py
+++ b/esphome/components/mcp3008/sensor/__init__.py
@@ -4,6 +4,7 @@ from esphome.components import sensor, voltage_sampler
 from esphome.const import (
     CONF_ID,
     CONF_NUMBER,
+    CONF_REFERENCE_VOLTAGE,
     UNIT_VOLT,
     STATE_CLASS_MEASUREMENT,
     DEVICE_CLASS_VOLTAGE,
@@ -22,7 +23,6 @@ MCP3008Sensor = mcp3008_ns.class_(
     voltage_sampler.VoltageSampler,
     cg.Parented.template(MCP3008),
 )
-CONF_REFERENCE_VOLTAGE = "reference_voltage"
 CONF_MCP3008_ID = "mcp3008_id"
 
 CONFIG_SCHEMA = (
diff --git a/esphome/components/mcp3204/__init__.py b/esphome/components/mcp3204/__init__.py
index 0536166e56..98129fc389 100644
--- a/esphome/components/mcp3204/__init__.py
+++ b/esphome/components/mcp3204/__init__.py
@@ -1,7 +1,7 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import spi
-from esphome.const import CONF_ID
+from esphome.const import CONF_ID, CONF_REFERENCE_VOLTAGE
 
 DEPENDENCIES = ["spi"]
 MULTI_CONF = True
@@ -10,7 +10,6 @@ CODEOWNERS = ["@rsumner"]
 mcp3204_ns = cg.esphome_ns.namespace("mcp3204")
 MCP3204 = mcp3204_ns.class_("MCP3204", cg.Component, spi.SPIDevice)
 
-CONF_REFERENCE_VOLTAGE = "reference_voltage"
 
 CONFIG_SCHEMA = cv.Schema(
     {
diff --git a/esphome/components/midea/climate.py b/esphome/components/midea/climate.py
index 074ab8abb2..83540a061a 100644
--- a/esphome/components/midea/climate.py
+++ b/esphome/components/midea/climate.py
@@ -11,6 +11,7 @@ from esphome.const import (
     CONF_CUSTOM_PRESETS,
     CONF_ID,
     CONF_NUM_ATTEMPTS,
+    CONF_OUTDOOR_TEMPERATURE,
     CONF_PERIOD,
     CONF_SUPPORTED_MODES,
     CONF_SUPPORTED_PRESETS,
@@ -37,7 +38,6 @@ from esphome.components.climate import (
 CODEOWNERS = ["@dudanov"]
 DEPENDENCIES = ["climate", "uart"]
 AUTO_LOAD = ["sensor"]
-CONF_OUTDOOR_TEMPERATURE = "outdoor_temperature"
 CONF_POWER_USAGE = "power_usage"
 CONF_HUMIDITY_SETPOINT = "humidity_setpoint"
 midea_ac_ns = cg.esphome_ns.namespace("midea").namespace("ac")
diff --git a/esphome/components/midea_ir/climate.py b/esphome/components/midea_ir/climate.py
index 140e4ee4e0..8fea6b192b 100644
--- a/esphome/components/midea_ir/climate.py
+++ b/esphome/components/midea_ir/climate.py
@@ -1,7 +1,7 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import climate_ir
-from esphome.const import CONF_ID
+from esphome.const import CONF_ID, CONF_USE_FAHRENHEIT
 
 AUTO_LOAD = ["climate_ir", "coolix"]
 CODEOWNERS = ["@dudanov"]
@@ -9,7 +9,6 @@ CODEOWNERS = ["@dudanov"]
 midea_ir_ns = cg.esphome_ns.namespace("midea_ir")
 MideaIR = midea_ir_ns.class_("MideaIR", climate_ir.ClimateIR)
 
-CONF_USE_FAHRENHEIT = "use_fahrenheit"
 
 CONFIG_SCHEMA = climate_ir.CLIMATE_IR_WITH_RECEIVER_SCHEMA.extend(
     {
diff --git a/esphome/components/mmc5603/sensor.py b/esphome/components/mmc5603/sensor.py
index db4e5cbf26..cf16132470 100644
--- a/esphome/components/mmc5603/sensor.py
+++ b/esphome/components/mmc5603/sensor.py
@@ -6,6 +6,7 @@ from esphome.const import (
     CONF_FIELD_STRENGTH_X,
     CONF_FIELD_STRENGTH_Y,
     CONF_FIELD_STRENGTH_Z,
+    CONF_HEADING,
     CONF_ID,
     ICON_MAGNET,
     STATE_CLASS_MEASUREMENT,
@@ -19,8 +20,6 @@ DEPENDENCIES = ["i2c"]
 
 mmc5603_ns = cg.esphome_ns.namespace("mmc5603")
 
-CONF_HEADING = "heading"
-
 MMC5603Component = mmc5603_ns.class_(
     "MMC5603Component", cg.PollingComponent, i2c.I2CDevice
 )
diff --git a/esphome/components/pn532/__init__.py b/esphome/components/pn532/__init__.py
index 2f120bc983..cdcaf4267c 100644
--- a/esphome/components/pn532/__init__.py
+++ b/esphome/components/pn532/__init__.py
@@ -2,14 +2,19 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome import automation
 from esphome.components import nfc
-from esphome.const import CONF_ID, CONF_ON_TAG_REMOVED, CONF_ON_TAG, CONF_TRIGGER_ID
+from esphome.const import (
+    CONF_ID,
+    CONF_ON_FINISHED_WRITE,
+    CONF_ON_TAG_REMOVED,
+    CONF_ON_TAG,
+    CONF_TRIGGER_ID,
+)
 
 CODEOWNERS = ["@OttoWinter", "@jesserockz"]
 AUTO_LOAD = ["binary_sensor", "nfc"]
 MULTI_CONF = True
 
 CONF_PN532_ID = "pn532_id"
-CONF_ON_FINISHED_WRITE = "on_finished_write"
 
 pn532_ns = cg.esphome_ns.namespace("pn532")
 PN532 = pn532_ns.class_("PN532", cg.PollingComponent)
diff --git a/esphome/components/pn7150/__init__.py b/esphome/components/pn7150/__init__.py
index a136028011..e3589ea449 100644
--- a/esphome/components/pn7150/__init__.py
+++ b/esphome/components/pn7150/__init__.py
@@ -6,6 +6,8 @@ from esphome.components import nfc
 from esphome.const import (
     CONF_ID,
     CONF_IRQ_PIN,
+    CONF_MESSAGE,
+    CONF_ON_FINISHED_WRITE,
     CONF_ON_TAG_REMOVED,
     CONF_ON_TAG,
     CONF_TRIGGER_ID,
@@ -18,8 +20,6 @@ CONF_EMULATION_MESSAGE = "emulation_message"
 CONF_EMULATION_OFF = "emulation_off"
 CONF_EMULATION_ON = "emulation_on"
 CONF_INCLUDE_ANDROID_APP_RECORD = "include_android_app_record"
-CONF_MESSAGE = "message"
-CONF_ON_FINISHED_WRITE = "on_finished_write"
 CONF_ON_EMULATED_TAG_SCAN = "on_emulated_tag_scan"
 CONF_PN7150_ID = "pn7150_id"
 CONF_POLLING_OFF = "polling_off"
diff --git a/esphome/components/pn7160/__init__.py b/esphome/components/pn7160/__init__.py
index 1639041b9e..b102b38f98 100644
--- a/esphome/components/pn7160/__init__.py
+++ b/esphome/components/pn7160/__init__.py
@@ -6,6 +6,8 @@ from esphome.components import nfc
 from esphome.const import (
     CONF_ID,
     CONF_IRQ_PIN,
+    CONF_MESSAGE,
+    CONF_ON_FINISHED_WRITE,
     CONF_ON_TAG_REMOVED,
     CONF_ON_TAG,
     CONF_TRIGGER_ID,
@@ -19,8 +21,6 @@ CONF_EMULATION_MESSAGE = "emulation_message"
 CONF_EMULATION_OFF = "emulation_off"
 CONF_EMULATION_ON = "emulation_on"
 CONF_INCLUDE_ANDROID_APP_RECORD = "include_android_app_record"
-CONF_MESSAGE = "message"
-CONF_ON_FINISHED_WRITE = "on_finished_write"
 CONF_ON_EMULATED_TAG_SCAN = "on_emulated_tag_scan"
 CONF_PN7160_ID = "pn7160_id"
 CONF_POLLING_OFF = "polling_off"
diff --git a/esphome/components/power_supply/__init__.py b/esphome/components/power_supply/__init__.py
index 6735eddff3..01b541e4b5 100644
--- a/esphome/components/power_supply/__init__.py
+++ b/esphome/components/power_supply/__init__.py
@@ -1,15 +1,19 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome import pins
-from esphome.const import CONF_ENABLE_TIME, CONF_ID, CONF_KEEP_ON_TIME, CONF_PIN
+from esphome.const import (
+    CONF_ENABLE_ON_BOOT,
+    CONF_ENABLE_TIME,
+    CONF_ID,
+    CONF_KEEP_ON_TIME,
+    CONF_PIN,
+)
 
 CODEOWNERS = ["@esphome/core"]
 power_supply_ns = cg.esphome_ns.namespace("power_supply")
 PowerSupply = power_supply_ns.class_("PowerSupply", cg.Component)
 MULTI_CONF = True
 
-CONF_ENABLE_ON_BOOT = "enable_on_boot"
-
 CONFIG_SCHEMA = cv.Schema(
     {
         cv.Required(CONF_ID): cv.declare_id(PowerSupply),
diff --git a/esphome/components/qmc5883l/sensor.py b/esphome/components/qmc5883l/sensor.py
index 24e1019507..341c0c3f8a 100644
--- a/esphome/components/qmc5883l/sensor.py
+++ b/esphome/components/qmc5883l/sensor.py
@@ -6,6 +6,7 @@ from esphome.const import (
     CONF_FIELD_STRENGTH_X,
     CONF_FIELD_STRENGTH_Y,
     CONF_FIELD_STRENGTH_Z,
+    CONF_HEADING,
     CONF_TEMPERATURE,
     CONF_ID,
     CONF_OVERSAMPLING,
@@ -24,8 +25,6 @@ DEPENDENCIES = ["i2c"]
 
 qmc5883l_ns = cg.esphome_ns.namespace("qmc5883l")
 
-CONF_HEADING = "heading"
-
 QMC5883LComponent = qmc5883l_ns.class_(
     "QMC5883LComponent", cg.PollingComponent, i2c.I2CDevice
 )
diff --git a/esphome/components/resistance/sensor.py b/esphome/components/resistance/sensor.py
index a84b439497..ce4459fc6d 100644
--- a/esphome/components/resistance/sensor.py
+++ b/esphome/components/resistance/sensor.py
@@ -2,6 +2,7 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import sensor, resistance_sampler
 from esphome.const import (
+    CONF_REFERENCE_VOLTAGE,
     CONF_SENSOR,
     STATE_CLASS_MEASUREMENT,
     UNIT_OHM,
@@ -18,7 +19,6 @@ ResistanceSensor = resistance_ns.class_(
     resistance_sampler.ResistanceSampler,
 )
 
-CONF_REFERENCE_VOLTAGE = "reference_voltage"
 CONF_CONFIGURATION = "configuration"
 CONF_RESISTOR = "resistor"
 
diff --git a/esphome/components/rpi_dpi_rgb/display.py b/esphome/components/rpi_dpi_rgb/display.py
index 0cde16e0fb..969b9db78e 100644
--- a/esphome/components/rpi_dpi_rgb/display.py
+++ b/esphome/components/rpi_dpi_rgb/display.py
@@ -3,11 +3,13 @@ import esphome.config_validation as cv
 from esphome import pins
 from esphome.components import display
 from esphome.const import (
+    CONF_HSYNC_PIN,
     CONF_RESET_PIN,
     CONF_DATA_PINS,
     CONF_ID,
     CONF_IGNORE_STRAPPING_WARNING,
     CONF_DIMENSIONS,
+    CONF_VSYNC_PIN,
     CONF_WIDTH,
     CONF_HEIGHT,
     CONF_LAMBDA,
@@ -29,8 +31,6 @@ DEPENDENCIES = ["esp32"]
 
 CONF_DE_PIN = "de_pin"
 CONF_PCLK_PIN = "pclk_pin"
-CONF_HSYNC_PIN = "hsync_pin"
-CONF_VSYNC_PIN = "vsync_pin"
 
 CONF_HSYNC_FRONT_PORCH = "hsync_front_porch"
 CONF_HSYNC_PULSE_WIDTH = "hsync_pulse_width"
diff --git a/esphome/components/scd30/sensor.py b/esphome/components/scd30/sensor.py
index f72b43fd37..a900c51a58 100644
--- a/esphome/components/scd30/sensor.py
+++ b/esphome/components/scd30/sensor.py
@@ -8,6 +8,7 @@ from esphome.const import (
     CONF_HUMIDITY,
     CONF_TEMPERATURE,
     CONF_CO2,
+    CONF_TEMPERATURE_OFFSET,
     CONF_UPDATE_INTERVAL,
     CONF_VALUE,
     DEVICE_CLASS_CARBON_DIOXIDE,
@@ -36,7 +37,6 @@ ForceRecalibrationWithReference = scd30_ns.class_(
 CONF_AUTOMATIC_SELF_CALIBRATION = "automatic_self_calibration"
 CONF_ALTITUDE_COMPENSATION = "altitude_compensation"
 CONF_AMBIENT_PRESSURE_COMPENSATION = "ambient_pressure_compensation"
-CONF_TEMPERATURE_OFFSET = "temperature_offset"
 
 
 CONFIG_SCHEMA = (
diff --git a/esphome/components/scd4x/sensor.py b/esphome/components/scd4x/sensor.py
index 4c94d4257f..13027b6f88 100644
--- a/esphome/components/scd4x/sensor.py
+++ b/esphome/components/scd4x/sensor.py
@@ -10,6 +10,7 @@ from esphome.const import (
     CONF_CO2,
     CONF_HUMIDITY,
     CONF_TEMPERATURE,
+    CONF_TEMPERATURE_OFFSET,
     CONF_VALUE,
     DEVICE_CLASS_CARBON_DIOXIDE,
     DEVICE_CLASS_HUMIDITY,
@@ -52,7 +53,6 @@ CONF_AMBIENT_PRESSURE_COMPENSATION = "ambient_pressure_compensation"
 CONF_AMBIENT_PRESSURE_COMPENSATION_SOURCE = "ambient_pressure_compensation_source"
 CONF_AUTOMATIC_SELF_CALIBRATION = "automatic_self_calibration"
 CONF_MEASUREMENT_MODE = "measurement_mode"
-CONF_TEMPERATURE_OFFSET = "temperature_offset"
 
 
 CONFIG_SCHEMA = (
diff --git a/esphome/components/script/__init__.py b/esphome/components/script/__init__.py
index 78b23e7b5e..483357f85b 100644
--- a/esphome/components/script/__init__.py
+++ b/esphome/components/script/__init__.py
@@ -2,7 +2,7 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome import automation
 from esphome.automation import maybe_simple_id
-from esphome.const import CONF_ID, CONF_MODE, CONF_PARAMETERS
+from esphome.const import CONF_ID, CONF_MODE, CONF_PARAMETERS, CONF_RESTART
 from esphome.core import CORE, EsphomeError
 
 CODEOWNERS = ["@esphome/core"]
@@ -19,7 +19,6 @@ ParallelScript = script_ns.class_("ParallelScript", Script)
 
 CONF_SCRIPT = "script"
 CONF_SINGLE = "single"
-CONF_RESTART = "restart"
 CONF_QUEUED = "queued"
 CONF_PARALLEL = "parallel"
 CONF_MAX_RUNS = "max_runs"
diff --git a/esphome/components/seeed_mr24hpc1/binary_sensor.py b/esphome/components/seeed_mr24hpc1/binary_sensor.py
index e3e54d03f9..003db9f4a3 100644
--- a/esphome/components/seeed_mr24hpc1/binary_sensor.py
+++ b/esphome/components/seeed_mr24hpc1/binary_sensor.py
@@ -3,10 +3,10 @@ from esphome.components import binary_sensor
 import esphome.config_validation as cv
 from esphome.const import (
     DEVICE_CLASS_OCCUPANCY,
+    CONF_HAS_TARGET,
 )
 from . import CONF_MR24HPC1_ID, MR24HPC1Component
 
-CONF_HAS_TARGET = "has_target"
 
 CONFIG_SCHEMA = {
     cv.GenerateID(CONF_MR24HPC1_ID): cv.use_id(MR24HPC1Component),
diff --git a/esphome/components/seeed_mr24hpc1/button/__init__.py b/esphome/components/seeed_mr24hpc1/button/__init__.py
index 0a0e7a1865..59372e4100 100644
--- a/esphome/components/seeed_mr24hpc1/button/__init__.py
+++ b/esphome/components/seeed_mr24hpc1/button/__init__.py
@@ -2,6 +2,7 @@ import esphome.codegen as cg
 from esphome.components import button
 import esphome.config_validation as cv
 from esphome.const import (
+    CONF_RESTART,
     DEVICE_CLASS_RESTART,
     ENTITY_CATEGORY_CONFIG,
     ICON_RESTART_ALERT,
@@ -11,7 +12,6 @@ from .. import CONF_MR24HPC1_ID, MR24HPC1Component, mr24hpc1_ns
 RestartButton = mr24hpc1_ns.class_("RestartButton", button.Button)
 CustomSetEndButton = mr24hpc1_ns.class_("CustomSetEndButton", button.Button)
 
-CONF_RESTART = "restart"
 CONF_CUSTOM_SET_END = "custom_set_end"
 
 CONFIG_SCHEMA = {
diff --git a/esphome/components/seeed_mr24hpc1/number/__init__.py b/esphome/components/seeed_mr24hpc1/number/__init__.py
index d9dfcb19a5..2055fc548c 100644
--- a/esphome/components/seeed_mr24hpc1/number/__init__.py
+++ b/esphome/components/seeed_mr24hpc1/number/__init__.py
@@ -2,6 +2,7 @@ import esphome.codegen as cg
 from esphome.components import number
 import esphome.config_validation as cv
 from esphome.const import (
+    CONF_SENSITIVITY,
     ENTITY_CATEGORY_CONFIG,
 )
 from .. import CONF_MR24HPC1_ID, MR24HPC1Component, mr24hpc1_ns
@@ -14,7 +15,6 @@ MotionTriggerTimeNumber = mr24hpc1_ns.class_("MotionTriggerTimeNumber", number.N
 MotionToRestTimeNumber = mr24hpc1_ns.class_("MotionToRestTimeNumber", number.Number)
 CustomUnmanTimeNumber = mr24hpc1_ns.class_("CustomUnmanTimeNumber", number.Number)
 
-CONF_SENSITIVITY = "sensitivity"
 CONF_CUSTOM_MODE = "custom_mode"
 CONF_EXISTENCE_THRESHOLD = "existence_threshold"
 CONF_MOTION_THRESHOLD = "motion_threshold"
diff --git a/esphome/components/sgp30/sensor.py b/esphome/components/sgp30/sensor.py
index 6f8ed42d25..13e859cc09 100644
--- a/esphome/components/sgp30/sensor.py
+++ b/esphome/components/sgp30/sensor.py
@@ -3,6 +3,7 @@ import esphome.config_validation as cv
 from esphome.components import i2c, sensor, sensirion_common
 
 from esphome.const import (
+    CONF_COMPENSATION,
     CONF_ID,
     CONF_BASELINE,
     CONF_ECO2,
@@ -30,7 +31,6 @@ SGP30Component = sgp30_ns.class_(
 CONF_ECO2_BASELINE = "eco2_baseline"
 CONF_TVOC_BASELINE = "tvoc_baseline"
 CONF_UPTIME = "uptime"
-CONF_COMPENSATION = "compensation"
 CONF_HUMIDITY_SOURCE = "humidity_source"
 
 
diff --git a/esphome/components/sgp4x/sensor.py b/esphome/components/sgp4x/sensor.py
index 3d24f6c409..b7cec542bf 100644
--- a/esphome/components/sgp4x/sensor.py
+++ b/esphome/components/sgp4x/sensor.py
@@ -2,6 +2,7 @@ import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import i2c, sensor, sensirion_common
 from esphome.const import (
+    CONF_COMPENSATION,
     CONF_ID,
     CONF_STORE_BASELINE,
     CONF_TEMPERATURE_SOURCE,
@@ -23,7 +24,6 @@ SGP4xComponent = sgp4x_ns.class_(
 )
 
 CONF_ALGORITHM_TUNING = "algorithm_tuning"
-CONF_COMPENSATION = "compensation"
 CONF_GAIN_FACTOR = "gain_factor"
 CONF_GATING_MAX_DURATION_MINUTES = "gating_max_duration_minutes"
 CONF_HUMIDITY_SOURCE = "humidity_source"
diff --git a/esphome/components/sim800l/__init__.py b/esphome/components/sim800l/__init__.py
index 698e3cda9e..faa6cefe27 100644
--- a/esphome/components/sim800l/__init__.py
+++ b/esphome/components/sim800l/__init__.py
@@ -3,6 +3,7 @@ import esphome.config_validation as cv
 from esphome import automation
 from esphome.const import (
     CONF_ID,
+    CONF_MESSAGE,
     CONF_TRIGGER_ID,
 )
 from esphome.components import uart
@@ -52,7 +53,6 @@ CONF_ON_INCOMING_CALL = "on_incoming_call"
 CONF_ON_CALL_CONNECTED = "on_call_connected"
 CONF_ON_CALL_DISCONNECTED = "on_call_disconnected"
 CONF_RECIPIENT = "recipient"
-CONF_MESSAGE = "message"
 CONF_USSD = "ussd"
 
 CONFIG_SCHEMA = cv.All(
diff --git a/esphome/components/sn74hc595/__init__.py b/esphome/components/sn74hc595/__init__.py
index e0cd5e70ad..2fd49f6824 100644
--- a/esphome/components/sn74hc595/__init__.py
+++ b/esphome/components/sn74hc595/__init__.py
@@ -8,6 +8,7 @@ from esphome.const import (
     CONF_INVERTED,
     CONF_DATA_PIN,
     CONF_CLOCK_PIN,
+    CONF_OE_PIN,
     CONF_OUTPUT,
     CONF_TYPE,
 )
@@ -30,7 +31,6 @@ SN74HC595GPIOPin = sn74hc595_ns.class_(
 
 CONF_SN74HC595 = "sn74hc595"
 CONF_LATCH_PIN = "latch_pin"
-CONF_OE_PIN = "oe_pin"
 CONF_SR_COUNT = "sr_count"
 
 TYPE_GPIO = "gpio"
diff --git a/esphome/components/st7701s/display.py b/esphome/components/st7701s/display.py
index e33eeb89ae..516d770f8b 100644
--- a/esphome/components/st7701s/display.py
+++ b/esphome/components/st7701s/display.py
@@ -7,10 +7,12 @@ from esphome.components import (
 )
 from esphome.const import (
     CONF_DC_PIN,
+    CONF_HSYNC_PIN,
     CONF_RESET_PIN,
     CONF_DATA_PINS,
     CONF_ID,
     CONF_DIMENSIONS,
+    CONF_VSYNC_PIN,
     CONF_WIDTH,
     CONF_HEIGHT,
     CONF_LAMBDA,
@@ -44,8 +46,6 @@ from .init_sequences import (
 CONF_INIT_SEQUENCE = "init_sequence"
 CONF_DE_PIN = "de_pin"
 CONF_PCLK_PIN = "pclk_pin"
-CONF_HSYNC_PIN = "hsync_pin"
-CONF_VSYNC_PIN = "vsync_pin"
 
 CONF_HSYNC_PULSE_WIDTH = "hsync_pulse_width"
 CONF_HSYNC_BACK_PORCH = "hsync_back_porch"
diff --git a/esphome/components/tlc5947/__init__.py b/esphome/components/tlc5947/__init__.py
index 8a4bd5e0ce..528d690fab 100644
--- a/esphome/components/tlc5947/__init__.py
+++ b/esphome/components/tlc5947/__init__.py
@@ -9,10 +9,10 @@ from esphome.const import (
     CONF_DATA_PIN,
     CONF_ID,
     CONF_NUM_CHIPS,
+    CONF_OE_PIN,
 )
 
 CONF_LAT_PIN = "lat_pin"
-CONF_OE_PIN = "oe_pin"
 
 CODEOWNERS = ["@rnauber"]
 
diff --git a/esphome/components/touchscreen/__init__.py b/esphome/components/touchscreen/__init__.py
index 400ba7d5ad..b2d3f60d2b 100644
--- a/esphome/components/touchscreen/__init__.py
+++ b/esphome/components/touchscreen/__init__.py
@@ -5,6 +5,7 @@ from esphome.components import display
 from esphome import automation
 
 from esphome.const import (
+    CONF_DISPLAY,
     CONF_ON_TOUCH,
     CONF_ON_RELEASE,
     CONF_ON_UPDATE,
@@ -31,7 +32,6 @@ TouchPoints_t = cg.std_vector.template(TouchPoint)
 TouchPoints_t_const_ref = TouchPoints_t.operator("ref").operator("const")
 TouchListener = touchscreen_ns.class_("TouchListener")
 
-CONF_DISPLAY = "display"
 CONF_TOUCHSCREEN_ID = "touchscreen_id"
 CONF_REPORT_INTERVAL = "report_interval"  # not used yet:
 CONF_TOUCH_TIMEOUT = "touch_timeout"
diff --git a/esphome/components/whynter/climate.py b/esphome/components/whynter/climate.py
index b9dc5868bc..1d576344e6 100644
--- a/esphome/components/whynter/climate.py
+++ b/esphome/components/whynter/climate.py
@@ -1,14 +1,13 @@
 import esphome.codegen as cg
 import esphome.config_validation as cv
 from esphome.components import climate_ir
-from esphome.const import CONF_ID
+from esphome.const import CONF_ID, CONF_USE_FAHRENHEIT
 
 AUTO_LOAD = ["climate_ir"]
 
 whynter_ns = cg.esphome_ns.namespace("whynter")
 Whynter = whynter_ns.class_("Whynter", climate_ir.ClimateIR)
 
-CONF_USE_FAHRENHEIT = "use_fahrenheit"
 
 CONFIG_SCHEMA = climate_ir.CLIMATE_IR_WITH_RECEIVER_SCHEMA.extend(
     {
diff --git a/esphome/components/wifi/__init__.py b/esphome/components/wifi/__init__.py
index 32c9d07046..e0a17e9a2a 100644
--- a/esphome/components/wifi/__init__.py
+++ b/esphome/components/wifi/__init__.py
@@ -11,6 +11,7 @@ from esphome.const import (
     CONF_DNS2,
     CONF_DOMAIN,
     CONF_ENABLE_BTM,
+    CONF_ENABLE_ON_BOOT,
     CONF_ENABLE_RRM,
     CONF_FAST_CONNECT,
     CONF_GATEWAY,
@@ -268,7 +269,6 @@ def _validate(config):
 
 CONF_OUTPUT_POWER = "output_power"
 CONF_PASSIVE_SCAN = "passive_scan"
-CONF_ENABLE_ON_BOOT = "enable_on_boot"
 CONFIG_SCHEMA = cv.All(
     cv.Schema(
         {
diff --git a/esphome/components/wireguard/__init__.py b/esphome/components/wireguard/__init__.py
index 2d68cd001e..7612c7d964 100644
--- a/esphome/components/wireguard/__init__.py
+++ b/esphome/components/wireguard/__init__.py
@@ -22,6 +22,8 @@ CONF_PEER_ALLOWED_IPS = "peer_allowed_ips"
 CONF_PEER_PERSISTENT_KEEPALIVE = "peer_persistent_keepalive"
 CONF_REQUIRE_CONNECTION_TO_PROCEED = "require_connection_to_proceed"
 
+CONF_WIREGUARD_ID = "wireguard_id"
+
 DEPENDENCIES = ["time"]
 CODEOWNERS = ["@lhoracek", "@droscy", "@thomas0bernard"]
 
diff --git a/esphome/components/wireguard/binary_sensor.py b/esphome/components/wireguard/binary_sensor.py
index bf60aaa1d6..7344558659 100644
--- a/esphome/components/wireguard/binary_sensor.py
+++ b/esphome/components/wireguard/binary_sensor.py
@@ -7,9 +7,8 @@ from esphome.const import (
     ENTITY_CATEGORY_DIAGNOSTIC,
 )
 
-from . import Wireguard
+from . import CONF_WIREGUARD_ID, Wireguard
 
-CONF_WIREGUARD_ID = "wireguard_id"
 CONF_ENABLED = "enabled"
 
 DEPENDENCIES = ["wireguard"]
diff --git a/esphome/components/wireguard/sensor.py b/esphome/components/wireguard/sensor.py
index 78cb619701..85703d24b3 100644
--- a/esphome/components/wireguard/sensor.py
+++ b/esphome/components/wireguard/sensor.py
@@ -6,9 +6,8 @@ from esphome.const import (
     ENTITY_CATEGORY_DIAGNOSTIC,
 )
 
-from . import Wireguard
+from . import CONF_WIREGUARD_ID, Wireguard
 
-CONF_WIREGUARD_ID = "wireguard_id"
 CONF_LATEST_HANDSHAKE = "latest_handshake"
 
 DEPENDENCIES = ["wireguard"]
diff --git a/esphome/components/wireguard/text_sensor.py b/esphome/components/wireguard/text_sensor.py
index 3b05f6173e..51614a1a28 100644
--- a/esphome/components/wireguard/text_sensor.py
+++ b/esphome/components/wireguard/text_sensor.py
@@ -6,9 +6,7 @@ from esphome.const import (
     ENTITY_CATEGORY_DIAGNOSTIC,
 )
 
-from . import Wireguard
-
-CONF_WIREGUARD_ID = "wireguard_id"
+from . import CONF_WIREGUARD_ID, Wireguard
 
 DEPENDENCIES = ["wireguard"]
 
diff --git a/esphome/const.py b/esphome/const.py
index 324b32e847..1a8f9a06e1 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -141,6 +141,7 @@ CONF_COMMAND_RETAIN = "command_retain"
 CONF_COMMAND_TOPIC = "command_topic"
 CONF_COMMENT = "comment"
 CONF_COMMIT = "commit"
+CONF_COMPENSATION = "compensation"
 CONF_COMPILE_PROCESS_LIMIT = "compile_process_limit"
 CONF_COMPONENT_ID = "component_id"
 CONF_COMPONENTS = "components"
@@ -216,6 +217,7 @@ CONF_DISCOVERY_OBJECT_ID_GENERATOR = "discovery_object_id_generator"
 CONF_DISCOVERY_PREFIX = "discovery_prefix"
 CONF_DISCOVERY_RETAIN = "discovery_retain"
 CONF_DISCOVERY_UNIQUE_ID_GENERATOR = "discovery_unique_id_generator"
+CONF_DISPLAY = "display"
 CONF_DISTANCE = "distance"
 CONF_DITHER = "dither"
 CONF_DIV_RATIO = "div_ratio"
@@ -239,6 +241,7 @@ CONF_EFFECTS = "effects"
 CONF_ELSE = "else"
 CONF_ENABLE_BTM = "enable_btm"
 CONF_ENABLE_IPV6 = "enable_ipv6"
+CONF_ENABLE_ON_BOOT = "enable_on_boot"
 CONF_ENABLE_PIN = "enable_pin"
 CONF_ENABLE_PRIVATE_NETWORK_ACCESS = "enable_private_network_access"
 CONF_ENABLE_RRM = "enable_rrm"
@@ -261,6 +264,7 @@ CONF_EXTERNAL_CLOCK_INPUT = "external_clock_input"
 CONF_EXTERNAL_COMPONENTS = "external_components"
 CONF_EXTERNAL_TEMPERATURE = "external_temperature"
 CONF_EXTERNAL_VCC = "external_vcc"
+CONF_FACTORY_RESET = "factory_reset"
 CONF_FALLING_EDGE = "falling_edge"
 CONF_FAMILY = "family"
 CONF_FAN_MODE = "fan_mode"
@@ -323,7 +327,11 @@ CONF_GYROSCOPE_X = "gyroscope_x"
 CONF_GYROSCOPE_Y = "gyroscope_y"
 CONF_GYROSCOPE_Z = "gyroscope_z"
 CONF_HARDWARE_UART = "hardware_uart"
+CONF_HAS_MOVING_TARGET = "has_moving_target"
+CONF_HAS_STILL_TARGET = "has_still_target"
+CONF_HAS_TARGET = "has_target"
 CONF_HEAD = "head"
+CONF_HEADING = "heading"
 CONF_HEARTBEAT = "heartbeat"
 CONF_HEAT_ACTION = "heat_action"
 CONF_HEAT_DEADBAND = "heat_deadband"
@@ -337,6 +345,7 @@ CONF_HIGH = "high"
 CONF_HIGH_VOLTAGE_REFERENCE = "high_voltage_reference"
 CONF_HOUR = "hour"
 CONF_HOURS = "hours"
+CONF_HSYNC_PIN = "hsync_pin"
 CONF_HUMIDITY = "humidity"
 CONF_HUMIDITY_SENSOR = "humidity_sensor"
 CONF_HYSTERESIS = "hysteresis"
@@ -377,6 +386,7 @@ CONF_INTERLOCK = "interlock"
 CONF_INTERNAL = "internal"
 CONF_INTERNAL_FILTER = "internal_filter"
 CONF_INTERNAL_FILTER_MODE = "internal_filter_mode"
+CONF_INTERNAL_TEMPERATURE = "internal_temperature"
 CONF_INTERRUPT = "interrupt"
 CONF_INTERRUPT_PIN = "interrupt_pin"
 CONF_INTERVAL = "interval"
@@ -446,6 +456,7 @@ CONF_MEASUREMENT_SEQUENCE_NUMBER = "measurement_sequence_number"
 CONF_MEDIA_PLAYER = "media_player"
 CONF_MEDIUM = "medium"
 CONF_MEMORY_BLOCKS = "memory_blocks"
+CONF_MESSAGE = "message"
 CONF_METHOD = "method"
 CONF_MICROPHONE = "microphone"
 CONF_MIN_BRIGHTNESS = "min_brightness"
@@ -499,6 +510,7 @@ CONF_NUM_LEDS = "num_leds"
 CONF_NUM_SCANS = "num_scans"
 CONF_NUMBER = "number"
 CONF_NUMBER_DATAPOINT = "number_datapoint"
+CONF_OE_PIN = "oe_pin"
 CONF_OFF_MODE = "off_mode"
 CONF_OFF_SPEED_CYCLE = "off_speed_cycle"
 CONF_OFFSET = "offset"
@@ -526,6 +538,7 @@ CONF_ON_FINGER_SCAN_MATCHED = "on_finger_scan_matched"
 CONF_ON_FINGER_SCAN_MISPLACED = "on_finger_scan_misplaced"
 CONF_ON_FINGER_SCAN_START = "on_finger_scan_start"
 CONF_ON_FINGER_SCAN_UNMATCHED = "on_finger_scan_unmatched"
+CONF_ON_FINISHED_WRITE = "on_finished_write"
 CONF_ON_JSON_MESSAGE = "on_json_message"
 CONF_ON_LOCK = "on_lock"
 CONF_ON_LOOP = "on_loop"
@@ -568,6 +581,7 @@ CONF_OSCILLATION_COMMAND_TOPIC = "oscillation_command_topic"
 CONF_OSCILLATION_OUTPUT = "oscillation_output"
 CONF_OSCILLATION_STATE_TOPIC = "oscillation_state_topic"
 CONF_OTA = "ota"
+CONF_OUTDOOR_TEMPERATURE = "outdoor_temperature"
 CONF_OUTPUT = "output"
 CONF_OUTPUT_ID = "output_id"
 CONF_OUTPUTS = "outputs"
@@ -666,6 +680,7 @@ CONF_RED = "red"
 CONF_REF = "ref"
 CONF_REFERENCE_RESISTANCE = "reference_resistance"
 CONF_REFERENCE_TEMPERATURE = "reference_temperature"
+CONF_REFERENCE_VOLTAGE = "reference_voltage"
 CONF_REFRESH = "refresh"
 CONF_RELABEL = "relabel"
 CONF_REPEAT = "repeat"
@@ -674,6 +689,7 @@ CONF_RESET_DURATION = "reset_duration"
 CONF_RESET_PIN = "reset_pin"
 CONF_RESIZE = "resize"
 CONF_RESOLUTION = "resolution"
+CONF_RESTART = "restart"
 CONF_RESTORE = "restore"
 CONF_RESTORE_MODE = "restore_mode"
 CONF_RESTORE_STATE = "restore_state"
@@ -711,6 +727,7 @@ CONF_SEL_PIN = "sel_pin"
 CONF_SEND_EVERY = "send_every"
 CONF_SEND_FIRST_AT = "send_first_at"
 CONF_SENSING_PIN = "sensing_pin"
+CONF_SENSITIVITY = "sensitivity"
 CONF_SENSOR = "sensor"
 CONF_SENSOR_DATAPOINT = "sensor_datapoint"
 CONF_SENSOR_ID = "sensor_id"
@@ -804,6 +821,7 @@ CONF_TARGET_TEMPERATURE_LOW_COMMAND_TOPIC = "target_temperature_low_command_topi
 CONF_TARGET_TEMPERATURE_LOW_STATE_TOPIC = "target_temperature_low_state_topic"
 CONF_TARGET_TEMPERATURE_STATE_TOPIC = "target_temperature_state_topic"
 CONF_TEMPERATURE = "temperature"
+CONF_TEMPERATURE_OFFSET = "temperature_offset"
 CONF_TEMPERATURE_SOURCE = "temperature_source"
 CONF_TEMPERATURE_STEP = "temperature_step"
 CONF_TEXT_SENSORS = "text_sensors"
@@ -852,6 +870,7 @@ CONF_UPDATE_ON_BOOT = "update_on_boot"
 CONF_URL = "url"
 CONF_USE_ABBREVIATIONS = "use_abbreviations"
 CONF_USE_ADDRESS = "use_address"
+CONF_USE_FAHRENHEIT = "use_fahrenheit"
 CONF_USERNAME = "username"
 CONF_UUID = "uuid"
 CONF_VALIDITY_PERIOD = "validity_period"
@@ -865,7 +884,9 @@ CONF_VISUAL = "visual"
 CONF_VOLTAGE = "voltage"
 CONF_VOLTAGE_ATTENUATION = "voltage_attenuation"
 CONF_VOLTAGE_DIVIDER = "voltage_divider"
+CONF_VOLTAGE_GAIN = "voltage_gain"
 CONF_VOLUME = "volume"
+CONF_VSYNC_PIN = "vsync_pin"
 CONF_WAIT_TIME = "wait_time"
 CONF_WAIT_UNTIL = "wait_until"
 CONF_WAKEUP_PIN = "wakeup_pin"
diff --git a/script/ci-custom.py b/script/ci-custom.py
index abe004dba3..704962fa97 100755
--- a/script/ci-custom.py
+++ b/script/ci-custom.py
@@ -476,7 +476,7 @@ def lint_no_byte_datatype(fname, match):
 def lint_constants_usage():
     errs = []
     for constant, uses in CONSTANTS_USES.items():
-        if len(uses) < 4:
+        if len(uses) < 3:
             continue
         errs.append(
             f"Constant {highlight(constant)} is defined in {len(uses)} files. Please move all definitions of the "