diff --git a/code/ZAS/Debug.dm b/code/ZAS/Debug.dm
index 5ac704cf9f..39f5a7caab 100644
--- a/code/ZAS/Debug.dm
+++ b/code/ZAS/Debug.dm
@@ -134,6 +134,7 @@ zone/proc/DebugDisplay(client/client)
 
 
 client/proc/TestZASRebuild()
+	set category = "Debug"
 //	var/turf/turf = get_turf(mob)
 	var/zone/current_zone = mob.loc:zone
 	if(!current_zone)
@@ -155,7 +156,7 @@ client/proc/TestZASRebuild()
 
 		for(var/direction in cardinal)
 			var/turf/simulated/adjacent = get_step(current, direction)
-			if(!current.ZAirPass(adjacent))
+			if(!current.ZCanPass(adjacent))
 				continue
 			if(turfs.Find(adjacent))
 				current_adjacents += adjacent
@@ -210,4 +211,9 @@ client/proc/TestZASRebuild()
 	for(var/turf/current in turfs)
 		current.overlays -= overlays
 
-	return final_arrangement
\ No newline at end of file
+	return final_arrangement
+
+/client/proc/ZASSettings()
+	set category = "Debug"
+
+	vsc.SetDefault(mob)
\ No newline at end of file
diff --git a/code/ZAS/Variable Settings.dm b/code/ZAS/Variable Settings.dm
index 29463a8690..92841a02dc 100644
--- a/code/ZAS/Variable Settings.dm	
+++ b/code/ZAS/Variable Settings.dm	
@@ -65,9 +65,9 @@ var/global/vs_control/vsc = new
 	var/airflow_mob_slowdown_NAME = "Airflow Slowdown"
 	var/airflow_mob_slowdown_DESC = "Time in tenths of a second to add as a delay to each movement by a mob if they are fighting the pull of the airflow."
 
-	var/connection_insulation = 0
+	var/connection_insulation = 1
 	var/connection_insulation_NAME = "Connections - Insulation"
-	var/connection_insulation_DESC = "Boolean, should zones conduct heat through doors?"
+	var/connection_insulation_DESC = "Boolean, should doors forbid heat transfer?"
 
 	var/connection_temperature_delta = 10
 	var/connection_temperature_delta_NAME = "Connections - Temperature Difference"
@@ -288,7 +288,7 @@ var/global/vs_control/vsc = new
 			airflow_speed_decay = 1
 			airflow_delay = 20
 			airflow_mob_slowdown = 3
-			connection_insulation = 1
+			connection_insulation = 0
 
 
 	world << "\blue <b>[key_name(user)] changed the global plasma/ZAS settings to \"[def]\"</b>"
diff --git a/code/ZAS/ZAS_Zones.dm b/code/ZAS/ZAS_Zones.dm
index 34c57d9cb0..b942d79350 100644
--- a/code/ZAS/ZAS_Zones.dm
+++ b/code/ZAS/ZAS_Zones.dm
@@ -361,25 +361,26 @@ var/list/CounterDoorDirections = list(SOUTH,EAST) //Which directions doors turfs
 					Z.interactions_with_neighbors++
 					interactions_with_neighbors++
 
-		for(var/zone/Z in closed_connection_zones)
-			//If that zone has already processed, skip it.
-			if(Z.last_update > last_update || !Z.air)
-				continue
-
-			var/handle_temperature = abs(air.temperature - Z.air.temperature) > vsc.connection_temperature_delta
-
-			if(Z.status == ZONE_SLEEPING)
-				if (handle_temperature)
-					Z.SetStatus(ZONE_ACTIVE)
-				else
+		if(!vsc.connection_insulation)
+			for(var/zone/Z in closed_connection_zones)
+				//If that zone has already processed, skip it.
+				if(Z.last_update > last_update || !Z.air)
 					continue
 
-			if(air && Z.air)
-				if( handle_temperature )
-					ShareHeat(air, Z.air, closed_connection_zones[Z])
+				var/handle_temperature = abs(air.temperature - Z.air.temperature) > vsc.connection_temperature_delta
 
-					Z.interactions_with_neighbors++
-					interactions_with_neighbors++
+				if(Z.status == ZONE_SLEEPING)
+					if (handle_temperature)
+						Z.SetStatus(ZONE_ACTIVE)
+					else
+						continue
+
+				if(air && Z.air)
+					if( handle_temperature )
+						ShareHeat(air, Z.air, closed_connection_zones[Z])
+
+						Z.interactions_with_neighbors++
+						interactions_with_neighbors++
 
 	if(!interactions_with_neighbors && !interactions_with_unsim)
 		SetStatus(ZONE_SLEEPING)
@@ -655,7 +656,7 @@ proc/ShareSpace(datum/gas_mixture/A, list/unsimulated_tiles, dbg_output)
 
 proc/ShareHeat(datum/gas_mixture/A, datum/gas_mixture/B, connecting_tiles)
 	//This implements a simplistic version of the Stefan-Boltzmann law.
-	var/energy_delta = ((A.temperature - B.temperature) ** 4) * 5.6704e-8 * connecting_tiles
+	var/energy_delta = ((A.temperature - B.temperature) ** 4) * 5.6704e-8 * connecting_tiles * 2.5
 	var/maximum_energy_delta = max(0, min(A.temperature * A.heat_capacity() * A.group_multiplier, B.temperature * B.heat_capacity() * B.group_multiplier))
 	if(maximum_energy_delta > abs(energy_delta))
 		if(energy_delta < 0)
diff --git a/code/modules/admin/admin_verbs.dm b/code/modules/admin/admin_verbs.dm
index 1196f14ebd..e7a3433541 100644
--- a/code/modules/admin/admin_verbs.dm
+++ b/code/modules/admin/admin_verbs.dm
@@ -72,7 +72,7 @@ var/list/admin_verbs_admin = list(
 	/client/proc/response_team, // Response Teams admin verb
 	/client/proc/toggle_antagHUD_use,
 	/client/proc/toggle_antagHUD_restrictions,
-	/client/proc/allow_character_respawn    /* Allows a ghost to respawn */	
+	/client/proc/allow_character_respawn    /* Allows a ghost to respawn */
 )
 var/list/admin_verbs_ban = list(
 	/client/proc/unban_panel,
@@ -128,6 +128,7 @@ var/list/admin_verbs_debug = list(
 	/client/proc/cmd_admin_list_open_jobs,
 	/client/proc/Debug2,
 	/client/proc/kill_air,
+	/client/proc/ZASSettings,
 	/client/proc/cmd_debug_make_powernets,
 	/client/proc/kill_airgroup,
 	/client/proc/debug_controller,