diff --git a/drivers/esphome_climate/driver.lua b/drivers/esphome_climate/driver.lua
index 7c8c7fb..0c49ec8 100644
--- a/drivers/esphome_climate/driver.lua
+++ b/drivers/esphome_climate/driver.lua
@@ -155,9 +155,10 @@ local function getEntityTempStep()
   return ENTITY.visual_target_temperature_step or ENTITY.target_temperature_step or 0.5
 end
 
---- Valid C4 setpoint resolutions per the thermostatV2 proxy docs.
-local VALID_RESOLUTIONS_C = { 0.5, 1, 2, 5 }
-local VALID_RESOLUTIONS_F = { 0.5, 1, 2, 5 }
+--- Valid C4 temperature resolutions per the thermostatV2 proxy docs.
+--- F floor is 0.2; C has no documented floor.
+local VALID_RESOLUTIONS_C = { 0.1, 0.5, 1, 2, 5 }
+local VALID_RESOLUTIONS_F = { 0.2, 0.5, 1, 2, 5 }
 
 --- Snap a resolution value to the nearest valid C4 resolution.
 --- @param value number The raw resolution value.
@@ -179,6 +180,13 @@ local function snapResolution(value, validValues)
   return best
 end
 
+--- Convert a Celsius delta to a Fahrenheit delta.
+--- @param value number Temperature delta in Celsius.
+--- @return number Temperature delta in Fahrenheit.
+local function celsiusDeltaToFahrenheit(value)
+  return value * 9 / 5
+end
+
 --- Clamp a Celsius temperature to the entity's min/max range.
 --- @param celsius number Temperature in Celsius.
 --- @return number clamped Clamped temperature in Celsius.
@@ -398,7 +406,7 @@ local function sendCapabilities(entity)
   local step = entity.visual_target_temperature_step or entity.target_temperature_step
   if step ~= nil then
     local res_c = snapResolution(step, VALID_RESOLUTIONS_C)
-    local res_f = snapResolution(step * 9 / 5, VALID_RESOLUTIONS_F)
+    local res_f = snapResolution(celsiusDeltaToFahrenheit(step), VALID_RESOLUTIONS_F)
     SendToProxy(PROXY_BINDING, "DYNAMIC_CAPABILITIES_CHANGED", {
       HEAT_SETPOINT_RESOLUTION_C = res_c,
       HEAT_SETPOINT_RESOLUTION_F = res_f,
@@ -409,6 +417,14 @@ local function sendCapabilities(entity)
     }, "NOTIFY")
   end
 
+  local currentStep = entity.visual_current_temperature_step
+  if currentStep ~= nil then
+    SendToProxy(PROXY_BINDING, "DYNAMIC_CAPABILITIES_CHANGED", {
+      CURRENT_TEMPERATURE_RESOLUTION_C = snapResolution(currentStep, VALID_RESOLUTIONS_C),
+      CURRENT_TEMPERATURE_RESOLUTION_F = snapResolution(celsiusDeltaToFahrenheit(currentStep), VALID_RESOLUTIONS_F),
+    }, "NOTIFY")
+  end
+
   CAPABILITIES_SENT = true
 
   -- Water heater extras
diff --git a/drivers/esphome_climate/driver.xml b/drivers/esphome_climate/driver.xml
index 140053c..61449ad 100644
--- a/drivers/esphome_climate/driver.xml
+++ b/drivers/esphome_climate/driver.xml
@@ -112,8 +112,8 @@
     <current_temperature_max_c>150</current_temperature_max_c>
     <current_temperature_min_f>-58</current_temperature_min_f>
     <current_temperature_max_f>302</current_temperature_max_f>
-    <current_temperature_resolution_c>0.1</current_temperature_resolution_c>
-    <current_temperature_resolution_f>0.1</current_temperature_resolution_f>
+    <current_temperature_resolution_c>0.5</current_temperature_resolution_c>
+    <current_temperature_resolution_f>1</current_temperature_resolution_f>
     <setpoint_resolution_c>0.5</setpoint_resolution_c>
     <setpoint_resolution_f>1</setpoint_resolution_f>
     <setpoint_heat_min_c>0</setpoint_heat_min_c>
@@ -135,9 +135,9 @@
     <has_extras>False</has_extras>
     <has_vacation_mode>False</has_vacation_mode>
     <has_remote_sensor>True</has_remote_sensor>
-    <fan_modes></fan_modes>
+    <fan_modes/>
     <hvac_modes>Off,Heat,Cool,Auto</hvac_modes>
-    <hold_modes></hold_modes>
+    <hold_modes/>
   </capabilities>
   <proxies>
     <proxy proxybindingid="5001" primary="True" name="ESPHome Climate">thermostatV2</proxy>