diff --git a/code/controllers/subsystem/air.dm b/code/controllers/subsystem/air.dm
index f687ee2fd7..e4d3d61c31 100644
--- a/code/controllers/subsystem/air.dm
+++ b/code/controllers/subsystem/air.dm
@@ -109,7 +109,7 @@ SUBSYSTEM_DEF(air)
 			return
 		resumed = 0
 		currentpart = SSAIR_ATMOSMACHINERY
-
+	// This is only machinery like filters, mixers that don't interact with air
 	if(currentpart == SSAIR_ATMOSMACHINERY)
 		timer = TICK_USAGE_REAL
 		process_atmos_machinery(resumed)
@@ -127,7 +127,9 @@ SUBSYSTEM_DEF(air)
 			return
 		resumed = 0
 		currentpart = SSAIR_FINALIZE_TURFS
-
+	// This literally just waits for the turf processing thread to finish, doesn't do anything else.
+	// this is necessary cause the next step after this interacts with the air--we get consistency
+	// issues if we don't wait for it, disappearing gases etc.
 	if(currentpart == SSAIR_FINALIZE_TURFS)
 		finish_turf_processing(resumed)
 		if(state != SS_RUNNING)
@@ -143,7 +145,7 @@ SUBSYSTEM_DEF(air)
 			return
 		resumed = 0
 		currentpart = equalize_enabled ? SSAIR_EQUALIZE : SSAIR_EXCITEDGROUPS
-
+	// Monstermos and/or Putnamos--making large pressure deltas move faster
 	if(currentpart == SSAIR_EQUALIZE)
 		timer = TICK_USAGE_REAL
 		process_turf_equalize(resumed)
@@ -152,7 +154,7 @@ SUBSYSTEM_DEF(air)
 			return
 		resumed = 0
 		currentpart = SSAIR_EXCITEDGROUPS
-
+	// Making small pressure deltas equalize immediately so they don't process anymore
 	if(currentpart == SSAIR_EXCITEDGROUPS)
 		timer = TICK_USAGE_REAL
 		process_excited_groups(resumed)
@@ -161,7 +163,7 @@ SUBSYSTEM_DEF(air)
 			return
 		resumed = 0
 		currentpart = SSAIR_TURF_POST_PROCESS
-
+	// Quick multithreaded "should we display/react?" checks followed by finishing those up before the next step
 	if(currentpart == SSAIR_TURF_POST_PROCESS)
 		timer = TICK_USAGE_REAL
 		post_process_turfs(resumed)
@@ -179,7 +181,7 @@ SUBSYSTEM_DEF(air)
 			return
 		resumed = 0
 		currentpart = heat_enabled ? SSAIR_TURF_CONDUCTION : SSAIR_ACTIVETURFS
-
+	// Heat -- slow and of questionable usefulness. Off by default for this reason. Pretty cool, though.
 	if(currentpart == SSAIR_TURF_CONDUCTION)
 		timer = TICK_USAGE_REAL
 		if(process_turf_heat(MC_TICK_REMAINING_MS))
@@ -189,7 +191,7 @@ SUBSYSTEM_DEF(air)
 			return
 		resumed = 0
 		currentpart = SSAIR_ACTIVETURFS
-
+	// This simply starts the turf thread. It runs in the background until the FINALIZE_TURFS step, at which point it's waited for.
 	if(currentpart == SSAIR_ACTIVETURFS)
 		timer = TICK_USAGE_REAL
 		process_turfs(resumed)