diff --git a/.coveragerc b/.coveragerc
index 1041a0a05b0..2d8405a8dbd 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -309,7 +309,6 @@ omit =
     homeassistant/components/esphome/bluetooth/*
     homeassistant/components/esphome/button.py
     homeassistant/components/esphome/camera.py
-    homeassistant/components/esphome/climate.py
     homeassistant/components/esphome/cover.py
     homeassistant/components/esphome/domain_data.py
     homeassistant/components/esphome/entry_data.py
diff --git a/tests/components/esphome/test_climate.py b/tests/components/esphome/test_climate.py
new file mode 100644
index 00000000000..59072dc2e59
--- /dev/null
+++ b/tests/components/esphome/test_climate.py
@@ -0,0 +1,314 @@
+"""Test ESPHome climates."""
+
+
+from unittest.mock import call
+
+from aioesphomeapi import (
+    APIClient,
+    ClimateAction,
+    ClimateFanMode,
+    ClimateInfo,
+    ClimateMode,
+    ClimatePreset,
+    ClimateState,
+    ClimateSwingMode,
+)
+
+from homeassistant.components.climate import (
+    ATTR_FAN_MODE,
+    ATTR_HVAC_MODE,
+    ATTR_PRESET_MODE,
+    ATTR_SWING_MODE,
+    ATTR_TARGET_TEMP_HIGH,
+    ATTR_TARGET_TEMP_LOW,
+    ATTR_TEMPERATURE,
+    DOMAIN as CLIMATE_DOMAIN,
+    FAN_HIGH,
+    SERVICE_SET_FAN_MODE,
+    SERVICE_SET_HVAC_MODE,
+    SERVICE_SET_PRESET_MODE,
+    SERVICE_SET_SWING_MODE,
+    SERVICE_SET_TEMPERATURE,
+    SWING_BOTH,
+    HVACMode,
+)
+from homeassistant.const import ATTR_ENTITY_ID
+from homeassistant.core import HomeAssistant
+
+
+async def test_climate_entity(
+    hass: HomeAssistant, mock_client: APIClient, mock_generic_device_entry
+) -> None:
+    """Test a generic climate entity."""
+    entity_info = [
+        ClimateInfo(
+            object_id="myclimate",
+            key=1,
+            name="my climate",
+            unique_id="my_climate",
+            supports_current_temperature=True,
+            supports_two_point_target_temperature=True,
+            supports_action=True,
+            visual_min_temperature=10.0,
+            visual_max_temperature=30.0,
+        )
+    ]
+    states = [
+        ClimateState(
+            key=1,
+            mode=ClimateMode.COOL,
+            action=ClimateAction.COOLING,
+            current_temperature=30,
+            target_temperature=20,
+            fan_mode=ClimateFanMode.AUTO,
+            swing_mode=ClimateSwingMode.BOTH,
+        )
+    ]
+    user_service = []
+    await mock_generic_device_entry(
+        mock_client=mock_client,
+        entity_info=entity_info,
+        user_service=user_service,
+        states=states,
+    )
+    state = hass.states.get("climate.test_my_climate")
+    assert state is not None
+    assert state.state == HVACMode.COOL
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_TEMPERATURE,
+        {ATTR_ENTITY_ID: "climate.test_my_climate", ATTR_TEMPERATURE: 25},
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls([call(key=1, target_temperature=25.0)])
+    mock_client.climate_command.reset_mock()
+
+
+async def test_climate_entity_with_step_and_two_point(
+    hass: HomeAssistant, mock_client: APIClient, mock_generic_device_entry
+) -> None:
+    """Test a generic climate entity."""
+    entity_info = [
+        ClimateInfo(
+            object_id="myclimate",
+            key=1,
+            name="my climate",
+            unique_id="my_climate",
+            supports_current_temperature=True,
+            supports_two_point_target_temperature=True,
+            visual_target_temperature_step=2,
+            visual_current_temperature_step=2,
+            supports_action=False,
+            visual_min_temperature=10.0,
+            visual_max_temperature=30.0,
+            supported_modes=[ClimateMode.COOL, ClimateMode.HEAT, ClimateMode.AUTO],
+            supported_presets=[ClimatePreset.AWAY, ClimatePreset.ACTIVITY],
+        )
+    ]
+    states = [
+        ClimateState(
+            key=1,
+            mode=ClimateMode.COOL,
+            current_temperature=30,
+            target_temperature=20,
+            fan_mode=ClimateFanMode.AUTO,
+            swing_mode=ClimateSwingMode.BOTH,
+        )
+    ]
+    user_service = []
+    await mock_generic_device_entry(
+        mock_client=mock_client,
+        entity_info=entity_info,
+        user_service=user_service,
+        states=states,
+    )
+    state = hass.states.get("climate.test_my_climate")
+    assert state is not None
+    assert state.state == HVACMode.COOL
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_TEMPERATURE,
+        {ATTR_ENTITY_ID: "climate.test_my_climate", ATTR_TEMPERATURE: 25},
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls([call(key=1, target_temperature=25.0)])
+    mock_client.climate_command.reset_mock()
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_TEMPERATURE,
+        {
+            ATTR_ENTITY_ID: "climate.test_my_climate",
+            ATTR_HVAC_MODE: HVACMode.AUTO,
+            ATTR_TARGET_TEMP_LOW: 20,
+            ATTR_TARGET_TEMP_HIGH: 30,
+        },
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls(
+        [
+            call(
+                key=1,
+                mode=ClimateMode.AUTO,
+                target_temperature_low=20.0,
+                target_temperature_high=30.0,
+            )
+        ]
+    )
+    mock_client.climate_command.reset_mock()
+
+
+async def test_climate_entity_with_step_and_target_temp(
+    hass: HomeAssistant, mock_client: APIClient, mock_generic_device_entry
+) -> None:
+    """Test a generic climate entity."""
+    entity_info = [
+        ClimateInfo(
+            object_id="myclimate",
+            key=1,
+            name="my climate",
+            unique_id="my_climate",
+            supports_current_temperature=True,
+            visual_target_temperature_step=2,
+            visual_current_temperature_step=2,
+            supports_action=True,
+            visual_min_temperature=10.0,
+            visual_max_temperature=30.0,
+            supported_fan_modes=[ClimateFanMode.LOW, ClimateFanMode.HIGH],
+            supported_modes=[ClimateMode.COOL, ClimateMode.HEAT, ClimateMode.AUTO],
+            supported_presets=[ClimatePreset.AWAY, ClimatePreset.ACTIVITY],
+            supported_custom_presets=["preset1", "preset2"],
+            supported_custom_fan_modes=["fan1", "fan2"],
+            supported_swing_modes=[ClimateSwingMode.BOTH, ClimateSwingMode.OFF],
+        )
+    ]
+    states = [
+        ClimateState(
+            key=1,
+            mode=ClimateMode.COOL,
+            action=ClimateAction.COOLING,
+            current_temperature=30,
+            target_temperature=20,
+            fan_mode=ClimateFanMode.AUTO,
+            swing_mode=ClimateSwingMode.BOTH,
+        )
+    ]
+    user_service = []
+    await mock_generic_device_entry(
+        mock_client=mock_client,
+        entity_info=entity_info,
+        user_service=user_service,
+        states=states,
+    )
+    state = hass.states.get("climate.test_my_climate")
+    assert state is not None
+    assert state.state == HVACMode.COOL
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_TEMPERATURE,
+        {ATTR_ENTITY_ID: "climate.test_my_climate", ATTR_TEMPERATURE: 25},
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls([call(key=1, target_temperature=25.0)])
+    mock_client.climate_command.reset_mock()
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_TEMPERATURE,
+        {
+            ATTR_ENTITY_ID: "climate.test_my_climate",
+            ATTR_HVAC_MODE: HVACMode.AUTO,
+            ATTR_TARGET_TEMP_LOW: 20,
+            ATTR_TARGET_TEMP_HIGH: 30,
+        },
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls(
+        [
+            call(
+                key=1,
+                mode=ClimateMode.AUTO,
+                target_temperature_low=20.0,
+                target_temperature_high=30.0,
+            )
+        ]
+    )
+    mock_client.climate_command.reset_mock()
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_HVAC_MODE,
+        {
+            ATTR_ENTITY_ID: "climate.test_my_climate",
+            ATTR_HVAC_MODE: HVACMode.HEAT,
+        },
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls(
+        [
+            call(
+                key=1,
+                mode=ClimateMode.HEAT,
+            )
+        ]
+    )
+    mock_client.climate_command.reset_mock()
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_PRESET_MODE,
+        {ATTR_ENTITY_ID: "climate.test_my_climate", ATTR_PRESET_MODE: "away"},
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls(
+        [
+            call(
+                key=1,
+                preset=ClimatePreset.AWAY,
+            )
+        ]
+    )
+    mock_client.climate_command.reset_mock()
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_PRESET_MODE,
+        {ATTR_ENTITY_ID: "climate.test_my_climate", ATTR_PRESET_MODE: "preset1"},
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls([call(key=1, custom_preset="preset1")])
+    mock_client.climate_command.reset_mock()
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_FAN_MODE,
+        {ATTR_ENTITY_ID: "climate.test_my_climate", ATTR_FAN_MODE: FAN_HIGH},
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls(
+        [call(key=1, fan_mode=ClimateFanMode.HIGH)]
+    )
+    mock_client.climate_command.reset_mock()
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_FAN_MODE,
+        {ATTR_ENTITY_ID: "climate.test_my_climate", ATTR_FAN_MODE: "fan2"},
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls([call(key=1, custom_fan_mode="fan2")])
+    mock_client.climate_command.reset_mock()
+
+    await hass.services.async_call(
+        CLIMATE_DOMAIN,
+        SERVICE_SET_SWING_MODE,
+        {ATTR_ENTITY_ID: "climate.test_my_climate", ATTR_SWING_MODE: SWING_BOTH},
+        blocking=True,
+    )
+    mock_client.climate_command.assert_has_calls(
+        [call(key=1, swing_mode=ClimateSwingMode.BOTH)]
+    )
+    mock_client.climate_command.reset_mock()