diff --git a/src/ADCSensor.cpp b/src/ADCSensor.cpp
index 5e01503..2ab1a4f 100644
--- a/src/ADCSensor.cpp
+++ b/src/ADCSensor.cpp
@@ -141,15 +141,12 @@
         // todo read scaling factors from configuration
         try
         {
-            double nvalue = std::stof(response);
+            double nvalue = std::stod(response);
 
             nvalue = (nvalue / sensorScaleFactor) / scaleFactor;
             nvalue = std::round(nvalue * roundFactor) / roundFactor;
 
-            if (nvalue != value)
-            {
-                updateValue(nvalue);
-            }
+            updateValue(nvalue);
             errCount = 0;
         }
         catch (std::invalid_argument&)
diff --git a/src/CPUSensor.cpp b/src/CPUSensor.cpp
index 27c9c38..d3789fd 100644
--- a/src/CPUSensor.cpp
+++ b/src/CPUSensor.cpp
@@ -114,20 +114,19 @@
         try
         {
             std::getline(responseStream, response);
-            double nvalue = std::stof(response);
+            double nvalue = std::stod(response);
             responseStream.clear();
             nvalue /= CPUSensor::sensorScaleFactor;
-            if (nvalue != value)
+
+            if (show)
             {
-                if (show)
-                {
-                    updateValue(nvalue);
-                }
-                else
-                {
-                    value = nvalue;
-                }
+                updateValue(nvalue);
             }
+            else
+            {
+                value = nvalue;
+            }
+
             double gTcontrol = gCpuSensors[nameTcontrol]
                                    ? gCpuSensors[nameTcontrol]->value
                                    : std::numeric_limits<double>::quiet_NaN();
diff --git a/src/ChassisIntrusionSensor.cpp b/src/ChassisIntrusionSensor.cpp
index 4b2327e..15ed888 100644
--- a/src/ChassisIntrusionSensor.cpp
+++ b/src/ChassisIntrusionSensor.cpp
@@ -47,6 +47,13 @@
 
 void ChassisIntrusionSensor::updateValue(const std::string newValue)
 {
+    // Take no action if value already equal
+    // Same semantics as Sensor::updateValue(const double&)
+    if (newValue == mValue)
+    {
+        return;
+    }
+
     // indicate that it is internal set call
     mInternalSet = true;
     mIface->set_property("Status", newValue);
diff --git a/src/HwmonTempSensor.cpp b/src/HwmonTempSensor.cpp
index cf8ee10..f110b37 100644
--- a/src/HwmonTempSensor.cpp
+++ b/src/HwmonTempSensor.cpp
@@ -106,12 +106,9 @@
         std::getline(responseStream, response);
         try
         {
-            float nvalue = std::stof(response);
+            double nvalue = std::stod(response);
             nvalue /= sensorScaleFactor;
-            if (static_cast<double>(nvalue) != value)
-            {
-                updateValue(nvalue);
-            }
+            updateValue(nvalue);
             errCount = 0;
         }
         catch (const std::invalid_argument&)
diff --git a/src/PSUEvent.cpp b/src/PSUEvent.cpp
index 4e5c5a7..0849500 100644
--- a/src/PSUEvent.cpp
+++ b/src/PSUEvent.cpp
@@ -198,12 +198,10 @@
         try
         {
             std::getline(responseStream, response);
-            int nvalue = std::stof(response);
+            int nvalue = std::stoi(response);
             responseStream.clear();
-            if (nvalue != value)
-            {
-                updateValue(nvalue);
-            }
+
+            updateValue(nvalue);
             errCount = 0;
         }
         catch (const std::invalid_argument&)
@@ -240,6 +238,13 @@
 // deasserted.
 void PSUSubEvent::updateValue(const int& newValue)
 {
+    // Take no action if value already equal
+    // Same semantics as Sensor::updateValue(const double&)
+    if (newValue == value)
+    {
+        return;
+    }
+
     if (newValue == 0)
     {
         // log deassert only after all asserts are gone
diff --git a/src/PSUSensor.cpp b/src/PSUSensor.cpp
index e94d1c4..96b710c 100644
--- a/src/PSUSensor.cpp
+++ b/src/PSUSensor.cpp
@@ -125,24 +125,11 @@
         try
         {
             std::getline(responseStream, response);
-            float nvalue = std::stof(response);
+            double nvalue = std::stod(response);
             responseStream.clear();
             nvalue /= sensorFactor;
 
-            if constexpr (DEBUG)
-            {
-                std::cerr << "Read " << path << " scale " << sensorFactor
-                          << " value " << nvalue << "\n";
-            }
-            if (static_cast<double>(nvalue) != value)
-            {
-                if constexpr (DEBUG)
-                {
-                    std::cerr << "Update " << path << " from " << value
-                              << " to " << nvalue << "\n";
-                }
-                updateValue(nvalue);
-            }
+            updateValue(nvalue);
             errCount = 0;
         }
         catch (const std::invalid_argument&)
diff --git a/src/TachSensor.cpp b/src/TachSensor.cpp
index cc9d37d..bea79d8 100644
--- a/src/TachSensor.cpp
+++ b/src/TachSensor.cpp
@@ -147,12 +147,9 @@
             try
             {
                 std::getline(responseStream, response);
-                float nvalue = std::stof(response);
+                double nvalue = std::stod(response);
                 responseStream.clear();
-                if (static_cast<double>(nvalue) != value)
-                {
-                    updateValue(nvalue);
-                }
+                updateValue(nvalue);
                 errCount = 0;
             }
             catch (const std::invalid_argument&)