diff --git a/projector_3.yaml b/projector_3.yaml
index 630a346..7b81210 100644
--- a/projector_3.yaml
+++ b/projector_3.yaml
@@ -7,6 +7,7 @@ substitutions:
   duct_fan_pwmfreq: 5000Hz
   duct_fan_off_spd: "0.0"
   duct_fan_lo_spd: "1.0"
+  duct_fan_vent_spd: "50.0"
   duct_fan_hi_spd: "100.0"
   prjpwr_pin:  GPIO19
   prjpwr_name: Prj3 Pwr
@@ -26,6 +27,9 @@ globals:
   - id: duct_fan_lo_spd
     type: float
     initial_value: ${duct_fan_lo_spd}
+  - id: duct_fan_vent_spd
+    type: float
+    initial_value: ${duct_fan_vent_spd}
   - id: duct_fan_hi_spd
     type: float
     initial_value: ${duct_fan_hi_spd}
@@ -98,6 +102,16 @@ sensor:
     name: ${dallas_out_name}
     id: dallas_out_id
 
+binary_sensor:
+  - platform: gpio
+    pin: ${prjpwr_pin}
+    name: ${prjpwr_name}
+    device_class: power
+  - platform: homeassistant
+    name: "Ventilate House"
+    entity_id: input_boolean.ventilate_house
+    id: ventilate_house
+
 number:
   - platform: template
     id: duct_fan_target_spd_in
@@ -120,6 +134,7 @@ number:
       float curtemp;
       float off_spd;
       float lo_spd;
+      float vent_spd;
       float hi_spd;
       float newspd;
       lo_temp = id(thermostat_prj_id).target_temperature_low;
@@ -127,18 +142,37 @@ number:
       curtemp = id(dallas_prj_id).state;
       off_spd = id(duct_fan_off_spd);
       lo_spd = id(duct_fan_lo_spd);
+      vent_spd = id(duct_fan_vent_spd);
       hi_spd = id(duct_fan_hi_spd);
-      if ((curtemp < lo_temp) || (id(thermostat_on_id).state == false)) {
+      ESP_LOGD("fan_speed", "DEBUG Ventilate House: %d", id(ventilate_house).state);
+      ESP_LOGD("fan_speed", "DEBUG Current Temp: %f", curtemp);
+      ESP_LOGD("fan_speed", "DEBUG Thermostat State: %d", id(thermostat_on_id).state);
+      if ((id(ventilate_house).state == false) &&
+          ((curtemp < lo_temp) || (id(thermostat_on_id).state == false))) {
+        ESP_LOGD("fan_speed", "DEBUG turning off");
         auto call = id(duct_fan_spd_id).turn_off();
         call.perform();
         return off_spd;
       }
       if (curtemp > hi_temp) {
+        ESP_LOGD("fan_speed", "DEBUG curtemp > hi_temp");
         newspd = hi_spd;
       } else {
         // Set newspd to same linear proportion of spd range as current temp is of temp range
         newspd = lo_spd + ((hi_spd - lo_spd) * (curtemp - lo_temp) / (hi_temp - lo_temp));
+        ESP_LOGD("fan_speed", "DEBUG New Speed set: %f", newspd);
       }
+      if ((id(ventilate_house).state == true) && (newspd < vent_spd)) {
+        newspd = vent_spd;
+        ESP_LOGD("fan_speed", "DEBUG New Speed changed to Vent Speed: %f", newspd);
+      }
+      if (newspd < lo_spd) {
+        ESP_LOGD("fan_speed", "DEBUG New Speed under lo_spd, turning off");
+        auto call = id(duct_fan_spd_id).turn_off();
+        call.perform();
+        return off_spd;
+      }
+      ESP_LOGD("fan_speed", "DEBUG Setting fan to newspd: %f", newspd);
       auto call = id(duct_fan_spd_id).turn_on();
       call.set_speed(newspd);
       call.perform();
@@ -179,10 +213,3 @@ climate:
       - logger.log: "WARNING: Prj3 Thermostat has hit high temp!"
       - switch.turn_on: thermostat_on_id
       #TODO - provide some kind of warning / action here
-
-# Sense when projector is turned on
-binary_sensor:
-  - platform: gpio
-    pin: ${prjpwr_pin}
-    name: ${prjpwr_name}
-    device_class: power
diff --git a/rack_2.yaml b/rack_2.yaml
index f068419..44fcf8b 100644
--- a/rack_2.yaml
+++ b/rack_2.yaml
@@ -3,15 +3,14 @@ substitutions:
   duct_fan_name: R2 Duct Fan Spd
   duct_fan_tgt_spd_in_name: R2 DF Tgt Spd In
   duct_fan_tgt_spd_out_name: R2 DF Tgt Spd Out
-  # duct_fan_channel: "0"
   duct_fan_pwmfreq: 5000Hz
   duct_fan_off_spd: "0.0"
   duct_fan_lo_spd: "1.0"
+  duct_fan_vent_spd: "50.0"
   duct_fan_hi_spd: "100.0"
   wall_fan_pwr_pin: GPIO21
   wall_fan_pwr_name: Rack 2 Wall Fan Power
   wall_fan_spd_pin: GPIO22
-  # wall_fan_spd_channel: "2"
   wall_fan_spd_pwmfreq: 25000Hz
   wall_fan_spd_name: Rack 2 Wall Fan Speed
   wall_fan_tach_pin: GPIO23
@@ -31,6 +30,9 @@ globals:
   - id: duct_fan_lo_spd
     type: float
     initial_value: ${duct_fan_lo_spd}
+  - id: duct_fan_vent_spd
+    type: float
+    initial_value: ${duct_fan_vent_spd}
   - id: duct_fan_hi_spd
     type: float
     initial_value: ${duct_fan_hi_spd}
@@ -119,6 +121,12 @@ sensor:
     name: ${dallas_out_name}
     id: dallas_out_id
 
+binary_sensor:
+  - platform: homeassistant
+    name: "Ventilate House"
+    entity_id: input_boolean.ventilate_house
+    id: ventilate_house
+
 number:
   - platform: template
     id: duct_fan_tgt_spd_in
@@ -141,6 +149,7 @@ number:
       float curtemp;
       float off_spd;
       float lo_spd;
+      float vent_spd;
       float hi_spd;
       float newspd;
       lo_temp = id(thermostat_out_id).target_temperature_low;
@@ -148,18 +157,37 @@ number:
       curtemp = id(dallas_out_id).state;
       off_spd = id(duct_fan_off_spd);
       lo_spd = id(duct_fan_lo_spd);
+      vent_spd = id(duct_fan_vent_spd);
       hi_spd = id(duct_fan_hi_spd);
-      if ((curtemp < lo_temp) || (id(thermostat_on_id).state == false)) {
+      ESP_LOGD("fan_speed", "DEBUG Ventilate House: %d", id(ventilate_house).state);
+      ESP_LOGD("fan_speed", "DEBUG Current Temp: %f", curtemp);
+      ESP_LOGD("fan_speed", "DEBUG Thermostat State: %d", id(thermostat_on_id).state);
+      if ((id(ventilate_house).state == false) &&
+          ((curtemp < lo_temp) || (id(thermostat_on_id).state == false))) {
+        ESP_LOGD("fan_speed", "DEBUG turning off");
         auto call = id(duct_fan_spd_id).turn_off();
         call.perform();
         return off_spd;
       }
       if (curtemp > hi_temp) {
+        ESP_LOGD("fan_speed", "DEBUG curtemp > hi_temp");
         newspd = hi_spd;
       } else {
         // Set newspd to same linear proportion of spd range as current temp is of temp range
         newspd = lo_spd + ((hi_spd - lo_spd) * (curtemp - lo_temp) / (hi_temp - lo_temp));
+        ESP_LOGD("fan_speed", "DEBUG New Speed set: %f", newspd);
       }
+      if ((id(ventilate_house).state == true) && (newspd < vent_spd)) {
+        newspd = vent_spd;
+        ESP_LOGD("fan_speed", "DEBUG New Speed changed to Vent Speed: %f", newspd);
+      }
+      if (newspd < lo_spd) {
+        ESP_LOGD("fan_speed", "DEBUG New Speed under lo_spd, turning off");
+        auto call = id(duct_fan_spd_id).turn_off();
+        call.perform();
+        return off_spd;
+      }
+      ESP_LOGD("fan_speed", "DEBUG Setting fan to newspd: %f", newspd);
       auto call = id(duct_fan_spd_id).turn_on();
       call.set_speed(newspd);
       call.perform();
diff --git a/rack_3.yaml b/rack_3.yaml
index 8e68b76..dbe46be 100644
--- a/rack_3.yaml
+++ b/rack_3.yaml
@@ -6,6 +6,7 @@ substitutions:
   duct_fan_pwmfreq: 5000Hz
   duct_fan_off_spd: "0.0"
   duct_fan_lo_spd: "1.0"
+  duct_fan_vent_spd: "50.0"
   duct_fan_amppwr_on_lo_spd: "20.0"
   duct_fan_hi_spd: "100.0"
   amppwr_pin: GPIO19
@@ -27,6 +28,9 @@ globals:
   - id: duct_fan_amppwr_on_lo_spd_id
     type: float
     initial_value: ${duct_fan_amppwr_on_lo_spd}
+  - id: duct_fan_vent_spd
+    type: float
+    initial_value: ${duct_fan_vent_spd}
   - id: duct_fan_hi_spd_id
     type: float
     initial_value: ${duct_fan_hi_spd}
@@ -93,6 +97,17 @@ sensor:
     name: ${dallas_out_name}
     id: dallas_out_id
 
+binary_sensor:
+  - platform: gpio
+    id: amppwr_id
+    pin: ${amppwr_pin}
+    name: ${amppwr_name}
+    device_class: power
+  - platform: homeassistant
+    name: "Ventilate House"
+    entity_id: input_boolean.ventilate_house
+    id: ventilate_house
+
 number:
   - platform: template
     id: duct_fan_tgt_spd_in_id
@@ -115,31 +130,52 @@ number:
       float curtemp;
       float off_spd;
       float lo_spd;
+      float vent_spd;
       float hi_spd;
       float newspd;
       lo_temp = id(thermostat_out_id).target_temperature_low;
       hi_temp = id(thermostat_out_id).target_temperature_high;
       curtemp = id(dallas_out_id).state;
       off_spd = id(duct_fan_off_spd_id);
-      hi_spd = id(duct_fan_hi_spd_id);
       lo_spd = id(duct_fan_lo_spd_id);
+      vent_spd = id(duct_fan_vent_spd);
+      hi_spd = id(duct_fan_hi_spd_id);
+      ESP_LOGD("fan_speed", "DEBUG Ventilate House: %d", id(ventilate_house).state);
+      ESP_LOGD("fan_speed", "DEBUG Amp Power: %d", id(amppwr_id).state);
+      ESP_LOGD("fan_speed", "DEBUG Current Temp: %f", curtemp);
+      ESP_LOGD("fan_speed", "DEBUG Thermostat State: %d", id(thermostat_on_id).state);
       if (id(amppwr_id).state == true) {
         // Amp is on, use that lo speed.
         lo_spd = id(duct_fan_amppwr_on_lo_spd_id);
-      } else if ((curtemp < lo_temp) || (id(thermostat_on_id).state == false)) {
+      } else if ((id(ventilate_house).state == false) &&
+                 ((curtemp < lo_temp) || (id(thermostat_on_id).state == false))) {
         // Amp is off and temp is lo or thermostat is off. Turn the fan off.
+        ESP_LOGD("fan_speed", "DEBUG turning off");
         auto call = id(duct_fan_spd_id).turn_off();
         call.perform();
         return off_spd;
       }
       if (curtemp > hi_temp) {
+        ESP_LOGD("fan_speed", "DEBUG curtemp > hi_temp");
         newspd = hi_spd;
       } else if (curtemp < lo_temp) {
         newspd = lo_spd;
       } else {
         // Set newspd to same linear proportion of spd range as current temp is of temp range
         newspd = lo_spd + ((hi_spd - lo_spd) * (curtemp - lo_temp) / (hi_temp - lo_temp));
+        ESP_LOGD("fan_speed", "DEBUG New Speed set: %f", newspd);
       }
+      if ((id(ventilate_house).state == true) && (newspd < vent_spd)) {
+        newspd = vent_spd;
+        ESP_LOGD("fan_speed", "DEBUG New Speed changed to Vent Speed: %f", newspd);
+      }
+      if (newspd < lo_spd) {
+        ESP_LOGD("fan_speed", "DEBUG New Speed under lo_spd, turning off");
+        auto call = id(duct_fan_spd_id).turn_off();
+        call.perform();
+        return off_spd;
+      }
+      ESP_LOGD("fan_speed", "DEBUG Setting fan to newspd: %f", newspd);
       auto call = id(duct_fan_spd_id).turn_on();
       call.set_speed(newspd);
       call.perform();
@@ -173,11 +209,3 @@ climate:
       - logger.log: "WARNING: Rack3 Thermostat has hit high temp!"
       - switch.turn_on: thermostat_on_id
       #TODO - provide some kind of warning / action here
-
-# Sense when receiver is turned on
-binary_sensor:
-  - platform: gpio
-    id: amppwr_id
-    pin: ${amppwr_pin}
-    name: ${amppwr_name}
-    device_class: power