diff --git a/code/datums/mood_events/generic_negative_events.dm b/code/datums/mood_events/generic_negative_events.dm
index afcb5d688ed6..732c182be4bf 100644
--- a/code/datums/mood_events/generic_negative_events.dm
+++ b/code/datums/mood_events/generic_negative_events.dm
@@ -20,13 +20,29 @@
 	mood_change = -1
 	timeout = 2 MINUTES
 
+/datum/mood_event/chilly
+	description = "I'm feeling a bit chilly."
+	mood_change = -2
+
 /datum/mood_event/cold
-	description = "It's way too cold in here."
-	mood_change = -5
+	description = "It's way too cold."
+	mood_change = -3
+
+/datum/mood_event/freezing
+	description = "It's freezing cold!"
+	mood_change = -6
+
+/datum/mood_event/warm
+	description = "I'm feeling a bit warm."
+	mood_change = -2
 
 /datum/mood_event/hot
-	description = "It's getting hot in here."
-	mood_change = -5
+	description = "It's way too hot."
+	mood_change = -3
+
+/datum/mood_event/overhot
+	description = "It's scorching hot!"
+	mood_change = -6
 
 /datum/mood_event/creampie
 	description = "I've been creamed. Tastes like pie flavor."
diff --git a/code/modules/mob/living/life.dm b/code/modules/mob/living/life.dm
index d66d44a60bdd..022761aeafc5 100644
--- a/code/modules/mob/living/life.dm
+++ b/code/modules/mob/living/life.dm
@@ -148,15 +148,17 @@
 	// Body temperature is too hot, and we do not have resist traits
 	if(feels_like > hot_threshold_low && !HAS_TRAIT(src, TRAIT_RESISTHEAT))
 		clear_mood_event("cold")
-		add_mood_event("hot", /datum/mood_event/hot)
 		// Clear cold once we return to warm
 		remove_movespeed_modifier(/datum/movespeed_modifier/cold)
 		if(feels_like > hot_threshold_high)
 			throw_alert(ALERT_TEMPERATURE, /atom/movable/screen/alert/hot, 3)
+			add_mood_event("hot", /datum/mood_event/overhot)
 		else if(feels_like > hot_threshold_medium)
 			throw_alert(ALERT_TEMPERATURE, /atom/movable/screen/alert/hot, 2)
+			add_mood_event("hot", /datum/mood_event/hot)
 		else
 			throw_alert(ALERT_TEMPERATURE, /atom/movable/screen/alert/hot, 1)
+			add_mood_event("hot", /datum/mood_event/warm)
 		temp_alerts = TRUE
 
 	var/cold_diff = bodytemp_cold_damage_limit - standard_body_temperature
@@ -166,16 +168,18 @@
 	// Body temperature is too cold, and we do not have resist traits
 	if(feels_like < cold_threshold_low && !HAS_TRAIT(src, TRAIT_RESISTCOLD))
 		clear_mood_event("hot")
-		add_mood_event("cold", /datum/mood_event/cold)
 		// Only apply slowdown if the body is cold rather than the skin
 		if(body_temperature < cold_threshold_medium)
 			add_or_update_variable_movespeed_modifier(/datum/movespeed_modifier/cold, multiplicative_slowdown = ((BODYTEMP_COLD_WARNING_2 - body_temperature) / COLD_SLOWDOWN_FACTOR))
 		if(feels_like < cold_threshold_high)
 			throw_alert(ALERT_TEMPERATURE, /atom/movable/screen/alert/cold, 3)
+			add_mood_event("cold", /datum/mood_event/freezing)
 		else if(feels_like < cold_threshold_medium)
 			throw_alert(ALERT_TEMPERATURE, /atom/movable/screen/alert/cold, 2)
+			add_mood_event("cold", /datum/mood_event/cold)
 		else
 			throw_alert(ALERT_TEMPERATURE, /atom/movable/screen/alert/cold, 1)
+			add_mood_event("cold", /datum/mood_event/chilly)
 		temp_alerts = TRUE
 
 	// We are not to hot or cold, remove status and moods
@@ -225,13 +229,15 @@
 		// we are overheating and sweaty - insulation is not as good reducing thermal protection
 		protection_modifier = 0.7
 
-	// melbert todo : temp / this needs to scale exponentially or logarithmically - slow for small changes, fast for large changes
 	var/temp_sign = SIGN(temp_delta)
 	var/temp_change =  temp_sign * (1 - (thermal_protection * protection_modifier)) * ((0.1 * max(1, abs(temp_delta))) ** 1.8) * temperature_normalization_speed
 	// Cap increase and decrease
 	temp_change = temp_change < 0 ? max(temp_change, BODYTEMP_COOLING_MAX) : min(temp_change, BODYTEMP_HEATING_MAX)
 	adjust_body_temperature(temp_change * seconds_per_tick) // no use_insulation beacuse we account for it manually
 
+/mob/living/silicon/handle_environment(datum/gas_mixture/environment, seconds_per_tick, times_fired)
+	return // Not yet
+
 /**
  * Handles this mob internally managing its body temperature (sweating or generating heat)
  *
@@ -278,6 +284,9 @@
 	if(!(sigreturn & HOMEOSTASIS_NO_HUNGER))
 		adjust_nutrition(-1 * HOMEOSTASIS_HUNGER_MULTIPLIER * HUNGER_FACTOR * nutrition_per_kelvin * abs(natural_change) * seconds_per_tick)
 
+/mob/living/silicon/temperature_homeostasis(seconds_per_tick, times_fired)
+	return // Not yet
+
 /**
  * Get the fullness of the mob
  *
diff --git a/code/modules/mod/mod_activation.dm b/code/modules/mod/mod_activation.dm
index 3bdf18a2d162..536b26908fed 100644
--- a/code/modules/mod/mod_activation.dm
+++ b/code/modules/mod/mod_activation.dm
@@ -201,14 +201,16 @@
 		part.clothing_flags |= part.visor_flags
 		part.flags_inv |= part.visor_flags_inv
 		part.flags_cover |= part.visor_flags_cover
-		// melbert todo : temp / needs to give heat/cold prot
+		part.min_cold_protection_temperature = theme.min_cold_protection_temperature
+		part.max_heat_protection_temperature = theme.max_heat_protection_temperature
 		part.alternate_worn_layer = null
 	else
 		part.icon_state = "[skin]-[part.base_icon_state]"
 		part.flags_cover &= ~part.visor_flags_cover
 		part.flags_inv &= ~part.visor_flags_inv
 		part.clothing_flags &= ~part.visor_flags
-		// melbert todo : temp / needs to clear heat/cold prot
+		part.min_cold_protection_temperature = null
+		part.max_heat_protection_temperature = null
 		part.alternate_worn_layer = mod_parts[part]
 	if(part == boots)
 		wearer.update_worn_shoes()
diff --git a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
index d8a79ea70df7..3b138df81794 100644
--- a/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/medicine_reagents.dm
@@ -174,15 +174,15 @@
 
 /datum/reagent/medicine/pyroxadone/on_mob_life(mob/living/carbon/affected_mob, seconds_per_tick, times_fired)
 	. = ..()
-	if(affected_mob.body_temperature > BODYTEMP_HEAT_DAMAGE_LIMIT)
+	if(affected_mob.body_temperature > affected_mob.bodytemp_heat_damage_limit)
 		var/power = 0
-		switch(affected_mob.body_temperature)
-			if(BODYTEMP_HEAT_DAMAGE_LIMIT to 400) // melbert todo : temp
-				power = 2
-			if(400 to 460)
-				power = 3
-			else
-				power = 5
+		// melbert todo : temp / doesn't scale with the limit (ie magic numbers)
+		if(affected_mob.body_temperature < 400 KELVIN)
+			power = 2
+		else if (affected_mob.body_temperature < 450 KELVIN)
+			power = 3
+		else
+			power = 5
 		if(affected_mob.on_fire)
 			power *= 2