diff --git a/src/simulation/simtools/AMBM.cpp b/src/simulation/simtools/AMBM.cpp
new file mode 100644
index 000000000..692ce36c8
--- /dev/null
+++ b/src/simulation/simtools/AMBM.cpp
@@ -0,0 +1,25 @@
+#include "simulation/ToolCommon.h"
+
+static int perform(Simulation * sim, Particle * cpart, int x, int y, int brushX, int brushY, float strength);
+
+void SimTool::Tool_AMBM()
+{
+	Identifier = "DEFAULT_TOOL_AMBM";
+	Name = "AMBM";
+	Colour = PIXPACK(0x00DDFF);
+	Description = "Decreases ambient air temperature.";
+	Perform = &perform;
+}
+
+static int perform(Simulation *sim, Particle *cpart, int x, int y, int brushX, int brushY, float strength)
+{
+	if (!sim->aheat_enable)
+	{
+		return 0;
+	}
+
+	sim->hv[y / CELL][x / CELL] -= strength * 2.0f;
+	if (sim->hv[y / CELL][x / CELL] > MAX_TEMP) sim->hv[y / CELL][x / CELL] = MAX_TEMP;
+	if (sim->hv[y / CELL][x / CELL] < MIN_TEMP) sim->hv[y / CELL][x / CELL] = MIN_TEMP;
+	return 1;
+}
diff --git a/src/simulation/simtools/AMBP.cpp b/src/simulation/simtools/AMBP.cpp
new file mode 100644
index 000000000..2b3b5fb43
--- /dev/null
+++ b/src/simulation/simtools/AMBP.cpp
@@ -0,0 +1,25 @@
+#include "simulation/ToolCommon.h"
+
+static int perform(Simulation * sim, Particle * cpart, int x, int y, int brushX, int brushY, float strength);
+
+void SimTool::Tool_AMBP()
+{
+	Identifier = "DEFAULT_TOOL_AMBP";
+	Name = "AMBP";
+	Colour = PIXPACK(0xFFDD00);
+	Description = "Increases ambient air temperature.";
+	Perform = &perform;
+}
+
+static int perform(Simulation *sim, Particle *cpart, int x, int y, int brushX, int brushY, float strength)
+{
+	if (!sim->aheat_enable)
+	{
+		return 0;
+	}
+
+	sim->hv[y / CELL][x / CELL] += strength * 2.0f;
+	if (sim->hv[y / CELL][x / CELL] > MAX_TEMP) sim->hv[y / CELL][x / CELL] = MAX_TEMP;
+	if (sim->hv[y / CELL][x / CELL] < MIN_TEMP) sim->hv[y / CELL][x / CELL] = MIN_TEMP;
+	return 1;
+}
diff --git a/src/simulation/simtools/meson.build b/src/simulation/simtools/meson.build
index a0c49db1b..68368a169 100644
--- a/src/simulation/simtools/meson.build
+++ b/src/simulation/simtools/meson.build
@@ -7,6 +7,8 @@ simulation_tool_ids = [
 	[ 'NGRV', 5 ],
 	[ 'MIX',  6 ],
 	[ 'CYCL', 7 ],
+	[ 'AMBM', 8 ],
+	[ 'AMBP', 9 ],
 ]
 
 simulation_tool_src = []