diff --git a/src/adc/ADCSensor.cpp b/src/adc/ADCSensor.cpp
index 170e79b..cbf7132 100644
--- a/src/adc/ADCSensor.cpp
+++ b/src/adc/ADCSensor.cpp
@@ -27,13 +27,14 @@
 #include <boost/asio/io_context.hpp>
 #include <boost/asio/read_until.hpp>
 #include <boost/asio/streambuf.hpp>
+#include <phosphor-logging/lg2.hpp>
 #include <sdbusplus/asio/connection.hpp>
 #include <sdbusplus/asio/object_server.hpp>
 
 #include <chrono>
 #include <cmath>
 #include <cstddef>
-#include <iostream>
+#include <istream>
 #include <limits>
 #include <memory>
 #include <optional>
@@ -69,7 +70,7 @@
     int fd = open(path.c_str(), O_RDONLY);
     if (fd < 0)
     {
-        std::cerr << "unable to open acd device \n";
+        lg2::error("unable to open acd device");
     }
 
     inputDev.assign(fd);
@@ -177,11 +178,12 @@
         {
             if (self)
             {
-                std::cerr << "adcsensor " << self->name << " read cancelled\n";
+                lg2::error("adcsensor '{NAME}' read cancelled", "NAME",
+                           self->name);
             }
             else
             {
-                std::cerr << "adcsensor read cancelled no self\n";
+                lg2::error("adcsensor read cancelled no self");
             }
             return; // we're being canceled
         }
@@ -192,7 +194,7 @@
         }
         else
         {
-            std::cerr << "adcsensor weakref no self\n";
+            lg2::error("adcsensor weakref no self");
         }
     });
 }
@@ -241,7 +243,8 @@
     int fd = open(path.c_str(), O_RDONLY);
     if (fd < 0)
     {
-        std::cerr << "adcsensor " << name << " failed to open " << path << "\n";
+        lg2::error("adcsensor '{NAME}' failed to open '{PATH}'", "NAME", name,
+                   "PATH", path);
         return; // we're no longer valid
     }
     inputDev.assign(fd);
diff --git a/src/adc/ADCSensor.hpp b/src/adc/ADCSensor.hpp
index 9a9050e..618c43f 100644
--- a/src/adc/ADCSensor.hpp
+++ b/src/adc/ADCSensor.hpp
@@ -9,10 +9,10 @@
 #include <boost/asio/steady_timer.hpp>
 #include <boost/asio/streambuf.hpp>
 #include <gpiod.hpp>
+#include <phosphor-logging/lg2.hpp>
 #include <sdbusplus/asio/connection.hpp>
 #include <sdbusplus/asio/object_server.hpp>
 
-#include <iostream>
 #include <memory>
 #include <optional>
 #include <string>
@@ -29,7 +29,7 @@
         line = gpiod::find_line(name);
         if (!line)
         {
-            std::cerr << "Error finding gpio: " << name << "\n";
+            lg2::error("Error finding gpio: '{NAME}'", "NAME", name);
         }
         else
         {
@@ -43,7 +43,7 @@
             }
             catch (const std::system_error&)
             {
-                std::cerr << "Error requesting gpio: " << name << "\n";
+                lg2::error("Error requesting gpio: '{NAME}'", "NAME", name);
             }
         }
     }
@@ -58,7 +58,7 @@
             }
             catch (const std::system_error& exc)
             {
-                std::cerr << "Error set_value: " << exc.what() << "\n";
+                lg2::error("Error set_value: '{EC}'", "EC", exc);
             }
         }
     }
diff --git a/src/adc/ADCSensorMain.cpp b/src/adc/ADCSensorMain.cpp
index 503b5f9..7949280 100644
--- a/src/adc/ADCSensorMain.cpp
+++ b/src/adc/ADCSensorMain.cpp
@@ -27,6 +27,7 @@
 #include <boost/container/flat_map.hpp>
 #include <boost/container/flat_set.hpp>
 #include <gpiod.hpp>
+#include <phosphor-logging/lg2.hpp>
 #include <sdbusplus/asio/connection.hpp>
 #include <sdbusplus/asio/object_server.hpp>
 #include <sdbusplus/bus.hpp>
@@ -40,7 +41,6 @@
 #include <filesystem>
 #include <fstream>
 #include <functional>
-#include <iostream>
 #include <memory>
 #include <optional>
 #include <regex>
@@ -73,7 +73,7 @@
     std::ifstream nameFile(namePath);
     if (!nameFile.good())
     {
-        std::cerr << "Failure reading " << namePath.string() << "\n";
+        lg2::error("Failure reading '{PATH}'", "PATH", namePath.string());
         return false;
     }
 
@@ -101,7 +101,7 @@
             if (!findFiles(std::filesystem::path("/sys/class/hwmon"),
                            R"(in\d+_input)", paths))
             {
-                std::cerr << "No adc sensors in system\n";
+                lg2::error("No adc sensors in system");
                 return;
             }
 
@@ -149,8 +149,9 @@
                     auto findIndex = baseConfiguration->second.find("Index");
                     if (findIndex == baseConfiguration->second.end())
                     {
-                        std::cerr << "Base configuration missing Index"
-                                  << baseConfiguration->first << "\n";
+                        lg2::error(
+                            "Base configuration missing Index: '{INTERFACE}'",
+                            "INTERFACE", baseConfiguration->first);
                         continue;
                     }
 
@@ -170,24 +171,25 @@
                 {
                     if constexpr (debug)
                     {
-                        std::cerr << "failed to find match for "
-                                  << path.string() << "\n";
+                        lg2::error("failed to find match for '{PATH}'", "PATH",
+                                   path.string());
                     }
                     continue;
                 }
 
                 if (baseConfiguration == nullptr)
                 {
-                    std::cerr << "error finding base configuration for"
-                              << path.string() << "\n";
+                    lg2::error("error finding base configuration for '{PATH}'",
+                               "PATH", path.string());
                     continue;
                 }
 
                 auto findSensorName = baseConfiguration->second.find("Name");
                 if (findSensorName == baseConfiguration->second.end())
                 {
-                    std::cerr << "could not determine configuration name for "
-                              << path.string() << "\n";
+                    lg2::error(
+                        "could not determine configuration name for '{PATH}'",
+                        "PATH", path.string());
                     continue;
                 }
                 std::string sensorName =
@@ -239,8 +241,8 @@
                 std::vector<thresholds::Threshold> sensorThresholds;
                 if (!parseThresholdsFromConfig(*sensorData, sensorThresholds))
                 {
-                    std::cerr << "error populating thresholds for "
-                              << sensorName << "\n";
+                    lg2::error("error populating thresholds for '{NAME}'",
+                               "NAME", sensorName);
                 }
 
                 auto findScaleFactor =
@@ -337,7 +339,7 @@
         [&](sdbusplus::message_t& message) {
             if (message.is_method_error())
             {
-                std::cerr << "callback method error\n";
+                lg2::error("callback method error");
                 return;
             }
             sensorsChanged->insert(message.get_path());
@@ -352,7 +354,7 @@
                 }
                 if (ec)
                 {
-                    std::cerr << "timer error\n";
+                    lg2::error("timer error");
                     return;
                 }
                 createSensors(io, objectServer, sensors, systemBus,
@@ -379,7 +381,7 @@
             }
             catch (const std::invalid_argument&)
             {
-                std::cerr << "Found invalid path " << path << "\n";
+                lg2::error("Found invalid path: '{PATH}'", "PATH", path);
                 return;
             }
 
@@ -403,7 +405,7 @@
                 }
                 if (ec)
                 {
-                    std::cerr << "timer error\n";
+                    lg2::error("timer error");
                     return;
                 }
                 createSensors(io, objectServer, sensors, systemBus, nullptr,