diff --git a/recommendations/HeatingRecommender.py b/recommendations/HeatingRecommender.py
index 676a4b06..9658aaa3 100644
--- a/recommendations/HeatingRecommender.py
+++ b/recommendations/HeatingRecommender.py
@@ -281,3 +281,5 @@ class HeatingRecommender:
             # We insert phase into the recommendations for heating controls
             for recommendation in controls_recommender.recommendation:
                 recommendation["phase"] = recommendation_phase
+
+        self.recommendations.extend(controls_recommender.recommendation)