diff --git a/recommendations/HeatingRecommender.py b/recommendations/HeatingRecommender.py
index 74881730..5a7a0e03 100644
--- a/recommendations/HeatingRecommender.py
+++ b/recommendations/HeatingRecommender.py
@@ -1062,8 +1062,8 @@ class HeatingRecommender:
             **hot_water_simulation_config
         }
         # This upgrade will only take the heating system to average energy efficiency
-        if self.property.epc_record.mainheat_energy_eff in ["Very Poor", "Poor"] and not self.dual_heating:
-            heating_simulation_config["mainheat_energy_eff_ending"] = "Average"
+        if self.property.epc_record.mainheat_energy_eff in ["Very Poor", "Poor", "Average"] and not self.dual_heating:
+            heating_simulation_config["mainheat_energy_eff_ending"] = "Good"
         else:
             heating_simulation_config["mainheat_energy_eff_ending"] = self.property.epc_record.mainheat_energy_eff