diff --git a/nspanel_esphome_addon_climate_heat.yaml b/nspanel_esphome_addon_climate_heat.yaml
index 21001b7..f8fb830 100644
--- a/nspanel_esphome_addon_climate_heat.yaml
+++ b/nspanel_esphome_addon_climate_heat.yaml
@@ -10,6 +10,8 @@
 substitutions:
   ### Local thermostat defaults ###
   temp_max: "25"
+  cold_tolerance: "0.5"
+  hot_tolerance: "0.5"
 
   ##### DO NOT CHANGE THIS #####
   addon_climate_heat: "true"
@@ -19,6 +21,8 @@ climate:
   - id: !extend thermostat_embedded
     min_heating_off_time: ${min_off_time}s
     min_heating_run_time: ${min_run_time}s
+    heat_deadband: ${cold_tolerance}
+    heat_overrun: ${hot_tolerance}
     heat_action:
       - switch.turn_on: relay_${heater_relay}
     preset: