diff --git a/src/xeto/ph.points/misc.xeto b/src/xeto/ph.points/misc.xeto
index 165b057..65f549d 100644
--- a/src/xeto/ph.points/misc.xeto
+++ b/src/xeto/ph.points/misc.xeto
@@ -24,9 +24,21 @@ RunEnum: Enum { off, on }
 // Sensor for on/off state of equipment
 RunSensor : RunPoint & SensorPoint <abstract>
 
+// Sensor for on/off state of cooling equipment
+CoolRunSensor : RunSensor { cool }
+
+// Sensor for on/off state of heating equipment
+HeatRunSensor : RunSensor { heat }
+
 // On/off command to run equipment
 RunCmd : RunPoint & CmdPoint <abstract>
 
+// On/off command to run cooling equipment
+CoolRunCmd : RunCmd { cool }
+
+// On/off command to run heating equipment
+HeatRunCmd : RunCmd { heat }
+
 // Point that enables or disables equipment
 EnablePoint : BoolPoint <abstract> {
   enable
@@ -54,3 +66,21 @@ ModulatingPoint : NumberPoint <abstract> {
   modulating
   unit: Unit <fixed> "%"
 }
+
+// Point for modulating cooling capacity as a percentage from 0% to 100%.
+CoolModulatingPoint : ModulatingPoint <abstract> { cool }
+
+// Sensor for modulating cooling capacity as a percentage from 0% to 100%.
+CoolModulatingSensor : CoolModulatingPoint & SensorPoint
+
+// Command for modulating cooling capacity as a percentage from 0% to 100%.
+CoolModulatingCmd : CoolModulatingPoint & CmdPoint
+
+// Point for modulating heating capacity as a percentage from 0% to 100%.
+HeatModulatingPoint : ModulatingPoint <abstract> { heat }
+
+// Sensor for modulating heating capacity as a percentage from 0% to 100%.
+HeatModulatingSensor : HeatModulatingPoint & SensorPoint
+
+// Command for modulating heating capacity as a percentage from 0% to 100%.
+HeatModulatingCmd : HeatModulatingPoint & CmdPoint
diff --git a/src/xeto/ph/entity.xeto b/src/xeto/ph/entity.xeto
index 93e57f2..e84490c 100644
--- a/src/xeto/ph/entity.xeto
+++ b/src/xeto/ph/entity.xeto
@@ -1368,9 +1368,8 @@ PhEntity: Entity <abstract> {
   // electricity is not a true two-phase system.
   *splitPhase: Marker
 
-  // Stage number of staged equipment operation, such as coil or pump.
-  // The first stage is 1, second stage 2, etc. Used on boolean points
-  // that correspond to a specific stage.
+  // Level of capacity for staged equipment.  Stages are numbered
+  // sequentially as integers 1, 2, 3, etc.
   *stage: Number
 
   // Readiness mode of a space