diff --git a/core/src/mindustry/entities/comp/BuildingComp.java b/core/src/mindustry/entities/comp/BuildingComp.java
index dd2be20678..2a3d37c517 100644
--- a/core/src/mindustry/entities/comp/BuildingComp.java
+++ b/core/src/mindustry/entities/comp/BuildingComp.java
@@ -1685,6 +1685,11 @@ abstract class BuildingComp implements Posc, Teamc, Healthc, Buildingc, Timerc,
 
     }
 
+    /** Calculate your own efficiency multiplier. */
+    public float efficiencyScale(){
+        return 1f;
+    }
+
     public void updateConsumption(){
         //everything is valid when cheating
         if(!block.hasConsumers || cheating()){
diff --git a/core/src/mindustry/world/blocks/production/HeatCrafter.java b/core/src/mindustry/world/blocks/production/HeatCrafter.java
index 7ab6317608..46565256be 100644
--- a/core/src/mindustry/world/blocks/production/HeatCrafter.java
+++ b/core/src/mindustry/world/blocks/production/HeatCrafter.java
@@ -72,6 +72,7 @@ public class HeatCrafter extends GenericCrafter{
             potentialEfficiency *= efficiencyScale();
         }
 
+        @Override
         public float efficiencyScale(){
             float over = Math.max(heat - heatRequirement, 0f);
             return Math.min(Mathf.clamp(heat / heatRequirement) + over / heatRequirement * overheatScale, maxEfficiency);
diff --git a/core/src/mindustry/world/consumers/ConsumeLiquid.java b/core/src/mindustry/world/consumers/ConsumeLiquid.java
index 03806918ad..bef8e3a8d6 100644
--- a/core/src/mindustry/world/consumers/ConsumeLiquid.java
+++ b/core/src/mindustry/world/consumers/ConsumeLiquid.java
@@ -40,7 +40,7 @@ public class ConsumeLiquid extends ConsumeLiquidBase{
 
     @Override
     public float efficiency(Building build){
-        float ed = build.edelta();
+        float ed = build.edelta() * build.efficiencyScale();
         if(ed <= 0.00000001f) return 0f;
         //there can be more liquid than necessary, so cap at 1
         return Math.min(build.liquids.get(liquid) / (amount * ed), 1f);