Index: asset.list
==================================================================
--- asset.list
+++ asset.list
@@ -5,19 +5,23 @@
 mods/starlit-building/textures/starlit-item-insulation.png
 mods/starlit-building/textures/starlit-item-pipe.png
 mods/starlit-building/textures/starlit-item-panel.png
 mods/starlit-building/textures/starlit-item-concrete.png
 mods/starlit-building/textures/starlit-node-concrete.png
+mods/starlit-building/textures/starlit-node-wall-panel-side.png
 mods/starlit-building/textures/starlit-node-floor-panel-side.png
 mods/starlit-building/textures/starlit-node-floor-panel-top.png
 mods/starlit-building/textures/starlit-node-floor-panel-top-vent.png
 mods/starlit-building/textures/starlit-node-insulation-top.png
 mods/starlit-building/textures/starlit-node-cable-run.png
 mods/starlit-building/textures/starlit-node-cable-plug.png
 mods/starlit-building/textures/starlit-node-pipe-run.png
 mods/starlit-building/textures/starlit-node-pipe-plug.png
 mods/starlit-building/textures/starlit-node-insulated-panels.png
+mods/starlit-building/textures/starlit-node-recessed-heater.png
+mods/starlit-building/textures/starlit-node-recessed-heater-side.png
+mods/starlit-building/textures/starlit-node-vent.png
 mods/starlit-eco/textures/starlit-eco-plant-berry-bunch.png
 mods/starlit-eco/textures/starlit-eco-plant-bloom-leaf.png
 mods/starlit-eco/textures/starlit-eco-plant-bloom-petal.png
 mods/starlit-eco/textures/starlit-eco-plant-bloom-stalk.png
 mods/starlit-eco/textures/starlit-eco-plant-fiber.png

Index: mods/starlit-building/stages/arch.lua
==================================================================
--- mods/starlit-building/stages/arch.lua
+++ mods/starlit-building/stages/arch.lua
@@ -18,10 +18,11 @@
 	};
 	build = {
 		part = {
 			['starlit_building:insulation'] = 'starlit_building:stage_foundation_insulation';
 			['starlit_building:concrete'] = 'starlit_building:step_concrete';
+			['starlit_building:heating_element'] = 'starlit_building:stage_floor_heater';
 		};
 	};
 	recover = fabFor 'starlit_building:concrete';
 	box = {
 		type = 'fixed';
@@ -84,10 +85,59 @@
 			-.5, -.5,         -.5;
 			 .5, -.5 + (12/16), .5;
 		};
 	};
 })
+
+B.stage.link('starlit_building:stage_floor_heater', {
+	tex = {
+		'starlit-node-recessed-heater.png';
+		'starlit-node-concrete.png';
+		'starlit-node-concrete.png^starlit-node-recessed-heater-side.png';
+	};
+	recover = fabFor 'starlit_building:concrete'
+	        + fabFor 'starlit_building:heating_element';
+	build = {
+		part = {
+			['starlit_building:panel'] = 'starlit_building:floor_heater';
+		};
+		tool = {
+			object = {
+				speed = 2;
+				drop = 'starlit_building:heating_element';
+				swap = 'starlit_building:foundation';
+			};
+		};
+	};
+	box = {
+		type = 'fixed';
+		fixed = {
+			-.5, -.5,         -.5;
+			 .5, -.5 + (12/16), .5;
+		};
+	};
+})
+
+B.stage.link('starlit_building:floor_heater', {
+	tex = {
+		'starlit-node-floor-panel-top.png^starlit-node-vent.png';
+		'starlit-node-concrete.png';
+		'starlit-node-floor-panel-side.png';
+	};
+	recover = fabFor 'starlit_building:concrete'
+	        + fabFor 'starlit_building:heating_element'
+	        + fabFor 'starlit_building:panel';
+	build = {
+		tool = {
+			unscrew = {
+				speed = 2;
+				drop = 'starlit_building:panel';
+				swap = 'starlit_building:stage_floor_heater';
+			};
+		};
+	};
+})
 
 B.panelRun = lib.registry.mk 'starlit_building:panelRun'
 B.panelRun.foreach('starlit_building:runGen', {}, function(id, run)
 	local F = string.format
 	assert(run.name, 'missing name for panelrun')
@@ -201,11 +251,11 @@
 
 			imgPlug:blit(imgPanel:transform 'R270'):render();
 			imgPlug:blit(imgPanel:transform 'R90'):render();
 
 			imgRun:blit(lib.image 'starlit-node-insulation-top.png'):render();
-			'starlit-node-floor-panel-top.png';
+			'starlit-node-wall-panel-side.png';
 		};
 		recover = wallMat;
 		build = {
 			part = {
 				['starlit_building:panel'] = wallStage;
@@ -231,12 +281,12 @@
 			imgPlug:blit(imgPanel):render();
 
 			imgPlug:blit(imgPanel:transform 'R270'):render();
 			imgPlug:blit(imgPanel:transform 'R90'):render();
 
-			'starlit-node-floor-panel-top.png';
-			'starlit-node-floor-panel-top.png';
+			'starlit-node-wall-panel-side.png';
+			'starlit-node-wall-panel-side.png';
 		};
 		recover = wallMat + fabFor 'starlit_building:panel';
 		build = {
 			part = {
 				[plugItem] = wallStagePlug;
@@ -253,22 +303,21 @@
 				imgPlug:blit(imgPanel):render();
 
 				imgPlug:blit(imgPanel:transform 'R270'):render();
 				imgPlug:blit(imgPanel:transform 'R90'):render();
 
-				'starlit-node-floor-panel-top.png';
-				imgPlug:blit(lib.image 'starlit-node-floor-panel-top.png'):render();
+				'starlit-node-wall-panel-side.png';
+				imgPlug:blit(lib.image 'starlit-node-wall-panel-side.png'):render();
 			};
 			recover = wallMat + fabFor(plugItem);
 			build = {
 			};
 			paramtype2 = '4dir';
 			groups = run.plugGroups;
 		})
 	end
 end)
-
 
 B.stage.link('starlit_building:floor', {
 	tex = {
 		'starlit-node-floor-panel-top.png';
 		'starlit-node-concrete.png';
@@ -292,11 +341,11 @@
 	tex = {
 		'starlit-node-insulated-panels.png';
 		'starlit-node-insulated-panels.png';
 		'starlit-node-insulated-panels.png^[transformR270';
 		'starlit-node-insulated-panels.png^[transformR90';
-		'starlit-node-floor-panel-top.png';
+		'starlit-node-wall-panel-side.png';
 	};
 	recover = fabFor 'starlit_building:panel';
 	begin = {
 		part = {'starlit_building:panel'};
 	};
@@ -320,11 +369,11 @@
 		'starlit-node-insulated-panels.png';
 		'starlit-node-insulated-panels.png';
 		'starlit-node-insulated-panels.png^[transformR270';
 		'starlit-node-insulated-panels.png^[transformR90';
 		'starlit-node-insulation-top.png';
-		'starlit-node-floor-panel-top.png';
+		'starlit-node-wall-panel-side.png';
 	};
 	recover = fabFor 'starlit_building:panel'
 	        + fabFor 'starlit_building:insulation';
 	build = {
 		part = {
@@ -345,12 +394,12 @@
 	tex = {
 		'starlit-node-insulated-panels.png';
 		'starlit-node-insulated-panels.png';
 		'starlit-node-insulated-panels.png^[transformR270';
 		'starlit-node-insulated-panels.png^[transformR90';
-		'starlit-node-floor-panel-top.png';
-		'starlit-node-floor-panel-top.png';
+		'starlit-node-wall-panel-side.png';
+		'starlit-node-wall-panel-side.png';
 	};
 	recover = (fabFor 'starlit_building:panel' * 2)
 	        + fabFor 'starlit_building:insulation';
 	build = {
 	};