Use iif

config/packages/devices/living_room/desk_switch.yaml

@@ -25,25 +25,13 @@ automation:
           - service: light.toggle
             data_template:
               entity_id: light.living_room_main
-              brightness_pct: >-
-
-                {% if is_state('sensor.house_mode', 'night') %}
-                  40
-                {% else %}
-                  100
-                {% endif %}
+              brightness_pct: "{{ is_state('sensor.house_mode', 'night') | iif(40, 100) }}"
 
         double_click:
           - service: light.toggle
             data_template:
               entity_id: light.living_room_ambient
-              brightness_pct: >-
-
-                {% if is_state('sensor.house_mode', 'night') %}
-                  40
-                {% else %}
-                  100
-                {% endif %}
+              brightness_pct: "{{ is_state('sensor.house_mode', 'night') | iif(40, 100) }}"
 
         hold:
           - service: media_player.media_play_pause

config/packages/devices/living_room/titanium.yaml

@@ -12,11 +12,7 @@ binary_sensor:
         value_template: >-
           {{ is_state("binary_sensor.titanium_ping", "on") }}
         icon_template: >-
-          {% if is_state("binary_sensor.titanium_ping", "on") %}
-            mdi:desktop-mac-dashboard
-          {% else %}
-            mdi:desktop-mac
-          {% endif %}
+          {{ is_state("binary_sensor.titanium_ping", "on") | iif(' mdi:desktop-mac-dashboard', 'mdi:desktop-mac') }}
 
   - platform: mqtt
     name: "Titanium playing"
@@ -163,12 +159,7 @@ switch:
         turn_off:
           service: script.titanium_shutdown
         icon_template: >-
-
-          {% if is_state('binary_sensor.titanium', 'on') %}
-            mdi:monitor-dashboard
-          {% else %}
-            mdi:monitor-off
-          {% endif %}
+          {{ is_state('binary_sensor.titanium', 'on') | iif('mdi:monitor-dashboard', 'mdi:monitor-off') }}
 
 script:
   titanium_start:

config/packages/devices/living_room/toshiba_ac.yaml

@@ -122,7 +122,7 @@ script:
     sequence:
       - condition: and
         conditions:
-          - condition: "{{ states('sensor.multisensor_6_temperature')|float > states('input_number.toshiba_trigger_temp')|float }}"
+          - "{{ states('sensor.multisensor_6_temperature')|float > states('input_number.toshiba_trigger_temp')|float }}"
           - condition: numeric_state
             entity_id: sensor.dark_sky_apparent_temperature
             above: 23