diff --git a/mainloop.cpp b/mainloop.cpp
index 75c8c12..0b6d070 100644
--- a/mainloop.cpp
+++ b/mainloop.cpp
@@ -34,6 +34,7 @@
 #include <cassert>
 #include <cstdlib>
 #include <functional>
+#include <future>
 #include <iostream>
 #include <memory>
 #include <phosphor-logging/elog-errors.hpp>
@@ -242,7 +243,7 @@
     {
         // Add status interface based on _fault file being present
         sensorObj->addStatus(info);
-        valueInterface = sensorObj->addValue(retryIO, info);
+        valueInterface = sensorObj->addValue(retryIO, info, _timedoutMap);
     }
     catch (const std::system_error& e)
     {
@@ -484,10 +485,28 @@
                 // RAII object for GPIO unlock / lock
                 auto locker = sensor::gpioUnlock(sensor->getGpio());
 
-                // Retry for up to a second if device is busy
-                // or has a transient error.
-                value = _ioAccess->read(sensorSysfsType, sensorSysfsNum, input,
+                // For sensors with attribute ASYNC_READ_TIMEOUT,
+                // spawn a thread with timeout
+                auto asyncReadTimeout =
+                    env::getEnv("ASYNC_READ_TIMEOUT", sensorSetKey);
+                if (!asyncReadTimeout.empty())
+                {
+                    std::chrono::milliseconds asyncTimeout{
+                        std::stoi(asyncReadTimeout)};
+                    value = sensor::asyncRead(
+                        sensorSetKey, _ioAccess, asyncTimeout, _timedoutMap,
+                        sensorSysfsType, sensorSysfsNum, input,
+                        hwmonio::retries, hwmonio::delay);
+                }
+                else
+                {
+                    // Retry for up to a second if device is busy
+                    // or has a transient error.
+                    value =
+                        _ioAccess->read(sensorSysfsType, sensorSysfsNum, input,
                                         hwmonio::retries, hwmonio::delay);
+                }
+
                 // Set functional property to true if we could read sensor
                 statusIface->functional(true);