diff --git a/homeassistant/components/insteon/climate.py b/homeassistant/components/insteon/climate.py
index e4cc2462dd3..e393c6eea0a 100644
--- a/homeassistant/components/insteon/climate.py
+++ b/homeassistant/components/insteon/climate.py
@@ -4,21 +4,16 @@ from __future__ import annotations
 from pyinsteon.constants import ThermostatMode
 from pyinsteon.operating_flag import CELSIUS
 
-from homeassistant.components.climate import ClimateEntity, ClimateEntityFeature
+from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
     ATTR_TARGET_TEMP_HIGH,
     ATTR_TARGET_TEMP_LOW,
-    CURRENT_HVAC_COOL,
-    CURRENT_HVAC_FAN,
-    CURRENT_HVAC_HEAT,
-    CURRENT_HVAC_IDLE,
     DOMAIN as CLIMATE_DOMAIN,
     HVAC_MODE_AUTO,
-    HVAC_MODE_COOL,
     HVAC_MODE_FAN_ONLY,
-    HVAC_MODE_HEAT,
-    HVAC_MODE_HEAT_COOL,
-    HVAC_MODE_OFF,
+    ClimateEntityFeature,
+    HVACAction,
+    HVACMode,
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS, TEMP_FAHRENHEIT
@@ -46,10 +41,10 @@ HUMIDITY_LOW = 17
 
 
 HVAC_MODES = {
-    0: HVAC_MODE_OFF,
-    1: HVAC_MODE_HEAT,
-    2: HVAC_MODE_COOL,
-    3: HVAC_MODE_HEAT_COOL,
+    0: HVACMode.OFF,
+    1: HVACMode.HEAT,
+    2: HVACMode.COOL,
+    3: HVACMode.HEAT_COOL,
 }
 FAN_MODES = {4: HVAC_MODE_AUTO, 8: HVAC_MODE_FAN_ONLY}
 
@@ -100,12 +95,12 @@ class InsteonClimateEntity(InsteonEntity, ClimateEntity):
         return self._insteon_device.groups[HUMIDITY].value
 
     @property
-    def hvac_mode(self) -> str:
+    def hvac_mode(self) -> HVACMode:
         """Return hvac operation ie. heat, cool mode."""
         return HVAC_MODES[self._insteon_device.groups[SYSTEM_MODE].value]
 
     @property
-    def hvac_modes(self) -> list[str]:
+    def hvac_modes(self) -> list[HVACMode]:
         """Return the list of available hvac operation modes."""
         return list(HVAC_MODES.values())
 
@@ -161,18 +156,18 @@ class InsteonClimateEntity(InsteonEntity, ClimateEntity):
         return 1
 
     @property
-    def hvac_action(self) -> str | None:
+    def hvac_action(self) -> HVACAction:
         """Return the current running hvac operation if supported.
 
         Need to be one of CURRENT_HVAC_*.
         """
         if self._insteon_device.groups[COOLING].value:
-            return CURRENT_HVAC_COOL
+            return HVACAction.COOLING
         if self._insteon_device.groups[HEATING].value:
-            return CURRENT_HVAC_HEAT
+            return HVACAction.HEATING
         if self._insteon_device.groups[FAN_MODE].value == ThermostatMode.FAN_ALWAYS_ON:
-            return CURRENT_HVAC_FAN
-        return CURRENT_HVAC_IDLE
+            return HVACAction.FAN
+        return HVACAction.IDLE
 
     @property
     def extra_state_attributes(self):
@@ -205,7 +200,7 @@ class InsteonClimateEntity(InsteonEntity, ClimateEntity):
         mode = list(FAN_MODES)[list(FAN_MODES.values()).index(fan_mode)]
         await self._insteon_device.async_set_mode(mode)
 
-    async def async_set_hvac_mode(self, hvac_mode: str) -> None:
+    async def async_set_hvac_mode(self, hvac_mode: HVACMode) -> None:
         """Set new target hvac mode."""
         mode = list(HVAC_MODES)[list(HVAC_MODES.values()).index(hvac_mode)]
         await self._insteon_device.async_set_mode(mode)