diff --git a/src/simulation/elements/RFGL.cpp b/src/simulation/elements/RFGL.cpp
new file mode 100644
index 000000000..f8172a038
--- /dev/null
+++ b/src/simulation/elements/RFGL.cpp
@@ -0,0 +1,92 @@
+#include "simulation/Elements.h"
+//#TPT-Directive ElementClass Element_RFGL PT_RFGL 181
+Element_RFGL::Element_RFGL()
+{
+	Identifier = "DEFAULT_PT_RFGL";
+	Name = "RFGL";
+	Colour = PIXPACK(0x84C2CF);
+	MenuVisible = 0;
+	MenuSection = SC_LIQUID;
+	Enabled = 1;
+
+	Advection = 0.6f;
+	AirDrag = 0.01f * CFDS;
+	AirLoss = 0.98f;
+	Loss = 0.95f;
+	Collision = 0.0f;
+	Gravity = 0.1f;
+	Diffusion = 0.00f;
+	HotAir = 0.000f	* CFDS;
+	Falldown = 2;
+
+	Flammable = 0;
+	Explosive = 0;
+	Meltable = 0;
+	Hardness = 20;
+
+	Weight = 10;
+
+	Temperature = R_TEMP + 273.15f;
+	HeatConduct = 0;
+	Description = "Liquid refrigerant.";
+
+	Properties = TYPE_LIQUID|PROP_DEADLY;
+
+    LowPressure = IPL;
+	LowPressureTransition = NT;
+	HighPressure = IPH;
+	HighPressureTransition = NT;
+	LowTemperature = ITL;
+	LowTemperatureTransition = NT;
+	HighTemperature = ITH;
+	HighTemperatureTransition = NT;
+
+	Update = &Element_RFGL::update;
+}
+
+//#TPT-Directive ElementHeader Element_RFGL static int update(UPDATE_FUNC_ARGS)
+int Element_RFGL::update(UPDATE_FUNC_ARGS)
+{
+	float pressure = sim->pv[y/CELL][x/CELL];
+	if (pressure > parts[i].tmp)
+		parts[i].tmp = (int)pressure;
+
+	if (pressure > -1 && pressure < 15 && parts[i].life > 0)
+		parts[i].life --;
+
+	if (parts[i].temp >= 323.15f + (pressure * 6.0f))
+		sim->part_change_type(i, x, y, PT_RFRG);
+
+	int r, rx, ry;
+	for (rx=-1; rx<2; rx++)
+		for (ry=-1; ry<2; ry++)
+			if (BOUNDS_CHECK && (rx || ry))
+			{
+				r = pmap[y+ry][x+rx];
+				if (!r)
+					continue;
+				if ((r&0xFF) == PT_RFGL)
+				{
+					float avgTemp = (parts[r>>8].temp + parts[i].temp) / 2;
+					parts[r>>8].temp = avgTemp;
+					parts[i].temp = avgTemp;
+				}
+				else
+				{
+					if (pressure > 20 && parts[i].temp > 273.15f + 2.0f - (pressure - 20.0f) && sim->elements[r&0xFF].HeatConduct)
+					{
+						parts[r>>8].temp = restrict_flt(parts[r>>8].temp + 80.0f, 0.0f, MAX_TEMP);
+						parts[i].temp = restrict_flt(parts[i].temp - 80.0f, 0.0f, MAX_TEMP);
+					}
+					else if (parts[i].life == 0 && parts[r>>8].temp > 273.15f + 2.0f - (parts[i].tmp - 20.0f) && sim->elements[r&0xFF].HeatConduct)
+					{
+						parts[r>>8].temp -= restrict_flt(parts[r>>8].temp - 40.0f, 273.15f + 2.0f - (parts[i].tmp - 60.0f), MAX_TEMP);
+						parts[i].temp = restrict_flt(parts[i].temp + 40.0f, 0.0f, 343.15f);
+					}
+				}
+			}
+
+	return 0;
+}
+
+Element_RFGL::~Element_RFGL() {}
diff --git a/src/simulation/elements/RFRG.cpp b/src/simulation/elements/RFRG.cpp
new file mode 100644
index 000000000..f31924953
--- /dev/null
+++ b/src/simulation/elements/RFRG.cpp
@@ -0,0 +1,62 @@
+#include "simulation/Elements.h"
+//#TPT-Directive ElementClass Element_RFRG PT_RFRG 180
+Element_RFRG::Element_RFRG()
+{
+	Identifier = "DEFAULT_PT_RFRG";
+	Name = "RFRG";
+	Colour = PIXPACK(0x72D2D4);
+	MenuVisible = 1;
+	MenuSection = SC_GAS;
+	Enabled = 1;
+
+	Advection = 1.2f;
+	AirDrag = 0.00f * CFDS;
+	AirLoss = 0.99f;
+	Loss = 0.30f;
+	Collision = -0.1f;
+	Gravity = 0.0f;
+	Diffusion = 1.3f;
+	HotAir = 0.0001f * CFDS;
+	Falldown = 0;
+
+	Flammable = 0;
+	Explosive = 0;
+	Meltable = 0;
+	Hardness = 20;
+
+	Weight = 1;
+
+	Temperature = R_TEMP + 273.15f;
+	HeatConduct = 3;
+	Description = "Refrigerant. Liquifies and transfers heat to other particles under pressure.";
+
+	Properties = TYPE_GAS|PROP_DEADLY;
+
+	LowPressure = IPL;
+	LowPressureTransition = NT;
+	HighPressure = IPH;
+	HighPressureTransition = NT;
+	LowTemperature = ITL;
+	LowTemperatureTransition = NT;
+	HighTemperature = ITH;
+	HighTemperatureTransition = NT;
+
+	Update = &Element_RFRG::update;
+}
+
+//#TPT-Directive ElementHeader Element_RFRG static int update(UPDATE_FUNC_ARGS)
+int Element_RFRG::update(UPDATE_FUNC_ARGS)
+{
+    if (sim->pv[y/CELL][x/CELL] > 15) {
+        parts[i].temp += (sim->pv[y/CELL][x/CELL] - 15.0f) / 2.0f;
+	if (parts[i].temp >= 343.15f) {
+	    sim->part_change_type(i, x, y, PT_RFGL);
+	    parts[i].life = 20;
+        }
+    }
+
+	return 0;
+}
+
+
+Element_RFRG::~Element_RFRG() {}