diff --git a/lib/presenter/rd_sap/domestic_digest.rb b/lib/presenter/rd_sap/domestic_digest.rb
index e21612a..fe9480b 100644
--- a/lib/presenter/rd_sap/domestic_digest.rb
+++ b/lib/presenter/rd_sap/domestic_digest.rb
@@ -46,6 +46,7 @@ def to_domestic_digest
             improvement
           end,
           photo_supply: @view_model.respond_to?(:photovoltaic_roof_area_percent) ? @view_model.photovoltaic_roof_area_percent : nil,
+          main_heating_controls: @view_model.all_main_heating_controls_descriptions
         }
       end
     end
diff --git a/lib/presenter/sap/domestic_digest.rb b/lib/presenter/sap/domestic_digest.rb
index d94e407..bc30eb9 100644
--- a/lib/presenter/sap/domestic_digest.rb
+++ b/lib/presenter/sap/domestic_digest.rb
@@ -43,6 +43,7 @@ def to_domestic_digest
             improvement
           end,
           photo_supply: @view_model.respond_to?(:photovoltaic_roof_area_percent) ? @view_model.photovoltaic_roof_area_percent : nil,
+          main_heating_controls: @view_model.all_main_heating_controls_descriptions
         }
       end
     end
diff --git a/spec/view_model/rd_sap_wrapper_spec.rb b/spec/view_model/rd_sap_wrapper_spec.rb
index e0a9fb5..1ff18f7 100644
--- a/spec/view_model/rd_sap_wrapper_spec.rb
+++ b/spec/view_model/rd_sap_wrapper_spec.rb
@@ -917,7 +917,8 @@
                                        indicative_cost: "1000",
                                        sequence: 3,
                                        typical_saving: "99" }],
-          photo_supply: "0"
+          photo_supply: "0",
+          main_heating_controls: ["Programmer, room thermostat and TRVs", "Time and temperature zone control"]
         }
       end
 
diff --git a/spec/view_model/sap_wrapper_spec.rb b/spec/view_model/sap_wrapper_spec.rb
index 1ea1f9c..84b9e33 100644
--- a/spec/view_model/sap_wrapper_spec.rb
+++ b/spec/view_model/sap_wrapper_spec.rb
@@ -3017,12 +3017,14 @@
                 typical_saving: "88",
               },
             ],
+            main_heating_controls: ["Programmer, room thermostat and TRVs"]
           },
         }
 
         is_18 = {
           different_fields: {
             main_heating_category: "heat pump with warm air distribution",
+            main_heating_controls: %w[Thermostat Thermostat]
           },
         }
 
@@ -3471,6 +3473,7 @@
                 typical_saving: "99",
               },
             ],
+            main_heating_controls: ["Thermostat"]
           },
         }
 
@@ -3585,7 +3588,8 @@
                 typical_saving: "99",
               },
             ],
-            photo_supply: "0"
+            photo_supply: "0",
+            main_heating_controls: ["Thermostat"]
           },
         }
 
@@ -3703,6 +3707,7 @@
                 typical_saving: "99",
               },
             ],
+            main_heating_controls: ["Thermostat"]
           },
         }
 
@@ -3817,7 +3822,8 @@
                 typical_saving: "99",
               },
             ],
-            photo_supply: "0"
+            photo_supply: "0",
+            main_heating_controls: ["Thermostat"]
           },
         }
 
@@ -3937,6 +3943,7 @@
                 typical_saving: "99",
               },
             ],
+            main_heating_controls: ["Thermostat"]
           },
         }
 
@@ -4053,7 +4060,8 @@
                 typical_saving: "99",
               },
             ],
-            photo_supply: "0"
+            photo_supply: "0",
+            main_heating_controls: ["Thermostat"]
           },
         }
 
@@ -4173,6 +4181,7 @@
                 typical_saving: "99",
               },
             ],
+            main_heating_controls: ["Thermostat"]
           },
         }
 
@@ -4290,7 +4299,8 @@
                 typical_saving: "99",
               },
             ],
-            photo_supply: "0"
+            photo_supply: "0",
+            main_heating_controls: ["Thermostat"]
           },
         }
 
@@ -4473,7 +4483,8 @@
               typical_saving: "99",
             },
           ],
-          photo_supply: nil
+          photo_supply: nil,
+          main_heating_controls: ["Thermostat", "Thermostat"]
         }
       end