diff --git a/homeassistant/components/velbus/climate.py b/homeassistant/components/velbus/climate.py
index 886d200028b..18e01d3ae87 100644
--- a/homeassistant/components/velbus/climate.py
+++ b/homeassistant/components/velbus/climate.py
@@ -5,8 +5,8 @@ from typing import Any
 
 from velbusaio.channels import Temperature as VelbusTemp
 
-from homeassistant.components.climate import ClimateEntity, ClimateEntityFeature
-from homeassistant.components.climate.const import HVAC_MODE_HEAT
+from homeassistant.components.climate import ClimateEntity
+from homeassistant.components.climate.const import ClimateEntityFeature, HVACMode
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, TEMP_CELSIUS
 from homeassistant.core import HomeAssistant
@@ -38,8 +38,8 @@ class VelbusClimate(VelbusEntity, ClimateEntity):
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
     _attr_temperature_unit = TEMP_CELSIUS
-    _attr_hvac_mode = HVAC_MODE_HEAT
-    _attr_hvac_modes = [HVAC_MODE_HEAT]
+    _attr_hvac_mode = HVACMode.HEAT
+    _attr_hvac_modes = [HVACMode.HEAT]
     _attr_preset_modes = list(PRESET_MODES)
 
     @property