diff --git a/Resources/Prototypes/Entities/Clothing/OuterClothing/hardsuits.yml b/Resources/Prototypes/Entities/Clothing/OuterClothing/hardsuits.yml
index a9bb8f1dc77..4696e6d8e30 100644
--- a/Resources/Prototypes/Entities/Clothing/OuterClothing/hardsuits.yml
+++ b/Resources/Prototypes/Entities/Clothing/OuterClothing/hardsuits.yml
@@ -44,6 +44,8 @@
     lowPressureMultiplier: 1000
   - type: TemperatureProtection
     coefficient: 0.001
+  - type: FireProtection
+    reduction: 1
   - type: ExplosionResistance
     damageCoefficient: 0.5
   - type: Armor
@@ -98,6 +100,10 @@
     coefficient: 0.75 # 25%
   - type: GuideHelp
     guides: [ HephaestusIndustries ]
+  - type: TemperatureProtection
+    coefficient: 0.001
+  - type: FireProtection
+    reduction: 1
 
 #Spationaut Hardsuit
 - type: entity
@@ -225,6 +231,8 @@
     damageCoefficient: 0.2
   - type: TemperatureProtection
     coefficient: 0.001
+  - type: FireProtection
+    reduction: 1
   - type: ToggleableClothing
     clothingPrototype: ClothingHeadHelmetHardsuitMaxim
   - type: GuideHelp
@@ -397,6 +405,10 @@
     coefficient: 0.65 # 35%
   - type: GuideHelp
     guides: [ HephaestusIndustries ]
+  - type: TemperatureProtection
+    coefficient: 0.001
+  - type: FireProtection
+    reduction: 1
 
 #Chief Medical Officer's Hardsuit
 - type: entity
@@ -622,7 +634,7 @@
   - type: ExplosionResistance
     damageCoefficient: 0.2
   - type: FireProtection
-    reduction: 0.8 # perfect protection like atmos firesuit for pyro tf2 ops
+    reduction: 1 # perfect protection like atmos firesuit for pyro tf2 ops
   - type: Armor
     modifiers:
       coefficients:
@@ -890,6 +902,10 @@
     clothingPrototype: ClothingHeadHelmetHardsuitERTEngineer
   - type: StaminaDamageResistance
     coefficient: 0.5 # 50%
+  - type: TemperatureProtection
+    coefficient: 0.001
+  - type: FireProtection
+    reduction: 1
 
 #ERT Medic Hardsuit
 - type: entity