diff --git a/src/components/Options/ProfileTypeOptions.tsx b/src/components/Options/ProfileTypeOptions.tsx
index 93494d40dd6c38e805b8e4a6bc92f10c26255310..6047ab5631126bbd45b1694530c1f08f7ca09eac 100644
--- a/src/components/Options/ProfileTypeOptions.tsx
+++ b/src/components/Options/ProfileTypeOptions.tsx
@@ -82,8 +82,7 @@ const ProfileTypeOptions: React.FC = () => {
                         `profile_type.housing_type.${profile.profileType.housingType}`
                       )}
                     </div>
-                    {profile.profileType.constructionYear !==
-                      ConstructionYear.UNKNOWN && (
+                    {profile.profileType.constructionYear && (
                       <div className="value">
                         {t(
                           `profile_type.construction_year.${'text_' +
diff --git a/src/constants/consumptionConstants/electricSpecific.json b/src/constants/consumptionConstants/electricSpecific.json
index 86968545b046c8466cde29e61440f29b08f56234..17bef6c57f9a2fac40bf69d45a8cb824545f16a5 100644
--- a/src/constants/consumptionConstants/electricSpecific.json
+++ b/src/constants/consumptionConstants/electricSpecific.json
@@ -13,6 +13,6 @@
     "between_1975_and_1989": 1780,
     "between_1990_and_1998": 1670,
     "after_1999": 2060,
-    "unknown": 1780
+    "unknown": 2060
   }
 }
diff --git a/src/constants/consumptionConstants/heating.json b/src/constants/consumptionConstants/heating.json
index a4c49b014fb37664d9edf0675f4d68e70e9aa15d..88435daa11683dd96a5c593087113afdc5ae4c40 100644
--- a/src/constants/consumptionConstants/heating.json
+++ b/src/constants/consumptionConstants/heating.json
@@ -6,7 +6,7 @@
       "between_1975_and_1989": 140,
       "between_1990_and_1998": 129,
       "after_1999": 106,
-      "unknown": 140
+      "unknown": 106
     },
     "appartment": {
       "before_1948": 119,
@@ -14,7 +14,7 @@
       "between_1975_and_1989": 105,
       "between_1990_and_1998": 73,
       "after_1999": 74,
-      "unknown": 105
+      "unknown": 74
     }
   },
   "adjustment_outisde_facing_walls": {
@@ -93,12 +93,12 @@
     "unknown": {
       "none": 0,
       "roof_insulation": 0,
-      "window_replacement": -0.06,
-      "wall_insulation": -0.2,
-      "window_replacement_and_wall_insulation": -0.25,
-      "window_replacement_and_roof_insulation": -0.07,
-      "roof_and_wall_insulation": -0.2,
-      "window_replacement_and_roof_and_wall_insulation": -0.25
+      "window_replacement": 0,
+      "wall_insulation": 0,
+      "window_replacement_and_wall_insulation": 0,
+      "window_replacement_and_roof_insulation": 0,
+      "roof_and_wall_insulation": 0,
+      "window_replacement_and_roof_and_wall_insulation": 0
     }
   },
   "adjustment_facilities": {
diff --git a/src/locales/fr.json b/src/locales/fr.json
index 9a0b1fa5281e7c47c90c47dc8d776cbffc2400ca..5f513236671c32d67d2e0b1e058c0a1d752993c4 100644
--- a/src/locales/fr.json
+++ b/src/locales/fr.json
@@ -451,6 +451,7 @@
       "text_between_1975_and_1989": "Construit entre 1975 et 1989",
       "text_between_1990_and_1998": "Construit entre 1990 et 1998",
       "text_after_1999": "Construit après 1999",
+      "text_unknown": "Construit après 1999",
       "before_1948": "Avant 1948",
       "between_1948_and_1974": "Entre 1975 et 1989",
       "between_1975_and_1989": "Entre 1975 et 1989",