diff --git a/resources/profiles/BIBO.idx b/resources/profiles/BIBO.idx
index 1c26b7d36..6df0efcc8 100644
--- a/resources/profiles/BIBO.idx
+++ b/resources/profiles/BIBO.idx
@@ -1,4 +1,5 @@
 min_slic3r_version = 2.2.0-alpha3
+0.0.4 superslicer: remove top_fan_speed
 0.0.3 slic3r++ adaptation: overlapping & top pattern.
 0.0.2 changed flow ratio from float to %
 0.0.1 Multiple Print models were unified into a single one.
diff --git a/resources/profiles/BIBO.ini b/resources/profiles/BIBO.ini
index dca2b49de..50b658089 100644
--- a/resources/profiles/BIBO.ini
+++ b/resources/profiles/BIBO.ini
@@ -5,7 +5,7 @@
 name = BIBO
 # Configuration version of this file. Config file will only be installed, if the config_version differs.
 # This means, the server may force the PrusaSlicer configuration to be downgraded.
-config_version = 0.0.3
+config_version = 0.0.4
 # Where to get the updates from?
 config_update_url = http://files.prusa3d.com/wp-content/uploads/repository/PrusaSlicer-settings-master/live/BIBO/
 
@@ -468,7 +468,6 @@ fan_always_on = 0
 max_fan_speed = 0
 min_fan_speed = 0
 bridge_fan_speed = 25
-top_fan_speed = 0
 temperature = 245
 
 [filament:*FLEX*]
diff --git a/resources/profiles/Basic.ini b/resources/profiles/Basic.ini
index d86c76460..dcb379cd0 100644
--- a/resources/profiles/Basic.ini
+++ b/resources/profiles/Basic.ini
@@ -5,7 +5,7 @@
 name = Custom
 # Configuration version of this file. Config file will only be installed, if the config_version differs.
 # This means, the server may force the Slic3r configuration to be downgraded.
-config_version = 0.1.1
+config_version = 0.1.2
 # Where to get the updates from?
 config_update_url = 
 
@@ -694,5 +694,4 @@ fan_always_on = 0
 max_fan_speed = 0
 min_fan_speed = 0
 bridge_fan_speed = 30
-top_fan_speed = 0
 temperature = 240
\ No newline at end of file
diff --git a/resources/profiles/Creality.idx b/resources/profiles/Creality.idx
index 1465084ba..69bf1866b 100644
--- a/resources/profiles/Creality.idx
+++ b/resources/profiles/Creality.idx
@@ -1,4 +1,5 @@
 min_slic3r_version = 2.2.0-alpha3
+0.2.5 superslicer: remove top_fan_speed
 0.2.4 slic3r++ adaptation: overlapping & top pattern.
 0.2.3 changed flow ratio from float to %
 0.2.2 version
diff --git a/resources/profiles/Creality.ini b/resources/profiles/Creality.ini
index 8c89f34f9..5e8c8f91a 100644
--- a/resources/profiles/Creality.ini
+++ b/resources/profiles/Creality.ini
@@ -5,7 +5,7 @@
 name = Creality
 # Configuration version of this file. Config file will only be installed, if the config_version differs.
 # This means, the server may force the PrusaSlicer configuration to be downgraded.
-config_version = 0.2.4
+config_version = 0.2.5
 # Where to get the updates from?
 config_update_url = 
 
@@ -690,5 +690,4 @@ fan_always_on = 0
 max_fan_speed = 0
 min_fan_speed = 0
 bridge_fan_speed = 30
-top_fan_speed = 0
 temperature = 245
diff --git a/resources/profiles/PrusaResearch.idx b/resources/profiles/PrusaResearch.idx
index 9f719a5b0..4aa8824d6 100644
--- a/resources/profiles/PrusaResearch.idx
+++ b/resources/profiles/PrusaResearch.idx
@@ -1,4 +1,5 @@
 min_slic3r_version = 2.2.0-alpha3
+1.1.6 superslicer: remove top_fan_speed
 1.1.5 slic3r++ adaptation: overlapping & top pattern.
 1.1.4 changed flow ratio from float to %
 1.1.3 slic3r++ version
diff --git a/resources/profiles/PrusaResearch.ini b/resources/profiles/PrusaResearch.ini
index a6752b312..d85886683 100644
--- a/resources/profiles/PrusaResearch.ini
+++ b/resources/profiles/PrusaResearch.ini
@@ -8,7 +8,7 @@ technologies = FFF; SLA
 
 # Configuration version of this file. Config file will only be installed, if the config_version differs.
 # This means, the server may force the PrusaSlicer configuration to be downgraded.
-config_version = 1.1.5
+config_version = 1.1.6
 # Where to get the updates from?
 config_update_url =
 changelog_url = 
@@ -1980,7 +1980,7 @@ filament_colour = #FFF2EC
 first_layer_bed_temperature = 100
 first_layer_temperature = 270
 temperature = 270
-bridge_fan_speed = 0
+bridge_fan_speed = -1
 filament_max_volumetric_speed = 8
 
 [filament:PrimaSelect PVA+]
@@ -2912,7 +2912,7 @@ filament_colour = #FFF2EC
 first_layer_bed_temperature = 100
 first_layer_temperature = 270
 temperature = 270
-bridge_fan_speed = 0
+bridge_fan_speed = -1
 filament_cost = 77.3
 filament_density = 1.20
 
diff --git a/resources/profiles/Voron.idx b/resources/profiles/Voron.idx
index 6d6884c11..0b758c42a 100644
--- a/resources/profiles/Voron.idx
+++ b/resources/profiles/Voron.idx
@@ -1,3 +1,4 @@
 min_slic3r_version = 2.2.0
+0.0.3 superslicer: remove top_fan_speed
 0.0.2 Update from DocJeeves settings, adding afterburner / mobius difference
 0.0.1 Initial version
diff --git a/resources/profiles/Voron.ini b/resources/profiles/Voron.ini
index 26389bf56..5abb61048 100644
--- a/resources/profiles/Voron.ini
+++ b/resources/profiles/Voron.ini
@@ -5,7 +5,7 @@
 name = Voron
 # Configuration version of this file. Config file will only be installed, if the config_version differs.
 # This means, the server may force the PrusaSlicer configuration to be downgraded.
-config_version = 0.0.2
+config_version = 0.0.3
 # Where to get the updates from?
 config_update_url = 
 
@@ -1037,7 +1037,6 @@ max_fan_speed = 0
 min_fan_speed = 0
 bridge_fan_speed = 30
 slowdown_below_layer_time = 15
-top_fan_speed = 0
 temperature = 250
 
 [filament:Basic ABS @VORON]
diff --git a/src/libslic3r/GCode/CoolingBuffer.cpp b/src/libslic3r/GCode/CoolingBuffer.cpp
index c1a47446f..236941e26 100644
--- a/src/libslic3r/GCode/CoolingBuffer.cpp
+++ b/src/libslic3r/GCode/CoolingBuffer.cpp
@@ -726,9 +726,17 @@ std::string CoolingBuffer::apply_layer_cooldown(
             top_fan_speed = EXTRUDER_CONFIG(top_fan_speed);
             ext_peri_fan_speed = EXTRUDER_CONFIG(external_perimeter_fan_speed);
 #undef EXTRUDER_CONFIG
-            bridge_fan_control = bridge_fan_speed > fan_speed_new && bridge_fan_speed != 0;
-            top_fan_control    = top_fan_speed != fan_speed_new && top_fan_speed != 0;
-            ext_peri_fan_control = ext_peri_fan_speed != fan_speed_new && ext_peri_fan_speed != 0;
+            // 0 is deprecated for diable: take care of temp settings.
+            if (bridge_fan_speed == 0) bridge_fan_speed = -1;
+            if (ext_peri_fan_speed == 0) ext_peri_fan_speed = -1;
+            if (top_fan_speed == 0) top_fan_speed = -1;
+            if (bridge_fan_speed == 1) bridge_fan_speed = 0;
+            if (ext_peri_fan_speed == 1) ext_peri_fan_speed = 0;
+            if (top_fan_speed == 1) top_fan_speed = 0;
+            // end deprecation
+            bridge_fan_control = bridge_fan_speed > fan_speed_new && bridge_fan_speed >= 0;
+            top_fan_control    = top_fan_speed != fan_speed_new && top_fan_speed >= 0;
+            ext_peri_fan_control = ext_peri_fan_speed != fan_speed_new && ext_peri_fan_speed >= 0;
         } else {
             bridge_fan_control = false;
             bridge_fan_speed   = 0;
diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index 54cb61d6b..d71e41eb4 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -241,9 +241,11 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Bridges fan speed");
     def->category = OptionCategory::cooling;
     def->tooltip = L("This fan speed is enforced during all bridges and overhangs. It won't slow down the fan if it's currently running at a higher speed."
-        "\nSet to 0 to disable this override. Can only be overriden by disable_fan_first_layers.");
+        "\nSet to 1 to disable the fan."
+        "\nSet to -1 to disable this override."
+        "\nCan only be overriden by disable_fan_first_layers.");
     def->sidetext = L("%");
-    def->min = 0;
+    def->min = -1;
     def->max = 100;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionInts { 100 });
@@ -252,12 +254,14 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Top fan speed");
     def->category = OptionCategory::cooling;
     def->tooltip = L("This fan speed is enforced during all top fills."
-        "\nSet to 0 to disable this override. Can only be overriden by disable_fan_first_layers.");
+        "\nSet to 1 to disable the fan."
+        "\nSet to -1 to disable this override."
+        "\nCan only be overriden by disable_fan_first_layers.");
     def->sidetext = L("%");
-    def->min = 0;
+    def->min = -1;
     def->max = 100;
     def->mode = comAdvanced;
-    def->set_default_value(new ConfigOptionInts{ 0 });
+    def->set_default_value(new ConfigOptionInts{ -1 });
 
     def = this->add("bridge_flow_ratio", coPercent);
     def->label = L("Bridge");
@@ -729,14 +733,15 @@ void PrintConfigDef::init_fff_params()
     def = this->add("external_perimeter_fan_speed", coInts);
     def->label = L("External perimeter fan speed");
     def->tooltip = L("When set to a non-zero value this fan speed is used only for external perimeters (visible ones). "
-                    "When set to zero the normal fan speed is used on external perimeters. "
+                    "\nSet to 1 to disable the fan."
+                    "\nSet to -1 to use the normal fan speed on external perimeters."
                     "External perimeters can benefit from higher fan speed to improve surface finish, "
                     "while internal perimeters, infill, etc. benefit from lower fan speed to improve layer adhesion.");
     def->sidetext = L("%");
-    def->min = 0;
+    def->min = -1;
     def->max = 100;
     def->mode = comAdvanced;
-    def->set_default_value(new ConfigOptionInts { 0 });
+    def->set_default_value(new ConfigOptionInts { -1 });
 
     def = this->add("external_perimeter_overlap", coPercent);
     def->label = L("external perimeter overlap");
diff --git a/src/slic3r/GUI/PresetHints.cpp b/src/slic3r/GUI/PresetHints.cpp
index f97637de8..18bc228b3 100644
--- a/src/slic3r/GUI/PresetHints.cpp
+++ b/src/slic3r/GUI/PresetHints.cpp
@@ -29,19 +29,27 @@ std::string PresetHints::cooling_description(const Preset &preset)
     int     max_speed_reduc = int(preset.config.opt_float("max_speed_reduction", 0));
     int     fan_below_layer_time = preset.config.opt_int("fan_below_layer_time", 0);
 
+    //for the time being, -1 shoudl eb for disabel, but it's 0 from legacy.
+    if (top_fan_speed == 0) top_fan_speed = -1;
+    if (bridge_fan_speed == 0) bridge_fan_speed = -1;
+    if (ext_peri_fan_speed == 0) ext_peri_fan_speed = -1;
+    if (top_fan_speed == 1) top_fan_speed = 0;
+    if (bridge_fan_speed == 1) bridge_fan_speed = 0;
+    if (ext_peri_fan_speed == 1) ext_peri_fan_speed = 0;
+
     //if (preset.config.opt_bool("cooling", 0)) {
     out = _utf8(L("Fan"));
     if (preset.config.opt_bool("fan_always_on", 0)) {
 
         out += " " + (boost::format(_utf8(L("will run at %1%%% by default"))) % min_fan_speed).str() ;
 
-        if (ext_peri_fan_speed > 0 && ext_peri_fan_speed != min_fan_speed) {
+        if (ext_peri_fan_speed >= 0 && ext_peri_fan_speed != min_fan_speed) {
             out += ", " + (boost::format(_utf8(L("at %1%%% over external perimeters"))) % ext_peri_fan_speed).str();
         }
-        if (top_fan_speed > 0 && top_fan_speed != min_fan_speed) {
+        if (top_fan_speed >= 0 && top_fan_speed != min_fan_speed) {
             out += ", " + (boost::format(_utf8(L("at %1%%% over top fill surfaces"))) % top_fan_speed).str();
         }
-        if (bridge_fan_speed > 0 && bridge_fan_speed > min_fan_speed) {
+        if (bridge_fan_speed >= 0 && bridge_fan_speed > min_fan_speed) {
             out += ", " + (boost::format(_utf8(L("at %1%%% over bridges"))) % bridge_fan_speed).str();
         }
         if (disable_fan_first_layers > 1)
@@ -66,7 +74,7 @@ std::string PresetHints::cooling_description(const Preset &preset)
         } else if (ext_peri_fan_speed > min_fan_speed) {
             out += ", " + (boost::format(_utf8(L("at %1%%% over external perimeters"))) % ext_peri_fan_speed).str() + " " + L("if it's above the current computed fan speed value");
         }
-        if (top_fan_speed > 0) {
+        if (top_fan_speed >= 0) {
             out += ", " + (boost::format(_utf8(L("at %1%%% over top fill surfaces"))) % top_fan_speed).str();
         }
         if (bridge_fan_speed > max_fan_speed) {
@@ -108,6 +116,17 @@ std::string PresetHints::cooling_description(const Preset &preset)
                     % min_print_speed).str();
     }
 
+    //tooltip for Depractaed values
+    bridge_fan_speed = preset.config.opt_int("bridge_fan_speed", 0);
+    ext_peri_fan_speed = preset.config.opt_int("external_perimeter_fan_speed", 0);
+    top_fan_speed = preset.config.opt_int("top_fan_speed", 0);
+    if (top_fan_speed == 0)
+        out += "\n\n!!! 0 for the Top fan speed is Deprecated, please set it to -1 to disable it !!!";
+    if (ext_peri_fan_speed == 0)
+        out += "\n\n!!! 0 for the External perimeters fan speed is Deprecated, please set it to -1 to disable it !!!";
+    if (bridge_fan_speed == 0)
+        out += "\n\n!!! 0 for the Bridge fan speed is Deprecated, please set it to -1 to disable it !!!";
+
     return out;
 }