diff --git a/MHZ.cpp b/MHZ.cpp
index e6290d4..39b09b0 100644
--- a/MHZ.cpp
+++ b/MHZ.cpp
@@ -116,7 +116,9 @@ void MHZ::setDebug(boolean enable, Stream* console) {
 }
 
 boolean MHZ::isPreHeating() {
-  if (_type == MHZ14A) {
+  if (_isBypassPreheatingCheck) {
+    return false;
+  } else if (_type == MHZ14A) {
     return millis() < (MHZ14A_PREHEATING_TIME);
   } else if (_type == MHZ14B) {
     return millis() < (MHZ14B_PREHEATING_TIME);
@@ -133,6 +135,8 @@ boolean MHZ::isPreHeating() {
 boolean MHZ::isReady() {
   if (isPreHeating()) {
     return false;
+  } else if (_isBypassResponseTimeCheck) {
+    return true;
   } else if (_type == MHZ14A) {
     return getTimeDiff(lastRequest, millis()) > MHZ14A_RESPONSE_TIME;
   } else if (_type == MHZ14B) {
@@ -278,6 +282,11 @@ int MHZ::getLastTemperature() {
 
 void MHZ::setTemperatureOffset(uint8_t offset) { _temperatureOffset = offset; }
 
+void MHZ::setBypassCheck(boolean isBypassPreheatingCheck, boolean isBypassResponseTimeCheck) {
+  _isBypassPreheatingCheck = isBypassPreheatingCheck;
+  _isBypassResponseTimeCheck = isBypassResponseTimeCheck;
+}
+
 int MHZ::getLastCO2() { return sLastPwmPpm; }
 
 byte MHZ::getCheckSum(byte* packet) {
diff --git a/MHZ.h b/MHZ.h
index cc255c1..5e901f7 100644
--- a/MHZ.h
+++ b/MHZ.h
@@ -51,6 +51,7 @@ class MHZ {
   void setTemperatureOffset(uint8_t offset);
   int getLastCO2();
   void activateAsyncUARTReading();
+  void setBypassCheck(boolean isBypassPreheatingCheck, boolean isBypassResponseTimeCheck);
 
  private:
   static const unsigned long MHZ14A_PREHEATING_TIME = 3L * 60L * 1000L;
@@ -68,6 +69,8 @@ class MHZ {
   uint8_t _temperatureOffset = 44;
   MeasuringRange _range = RANGE_5K;
   boolean debug = false;
+  boolean _isBypassPreheatingCheck = false;
+  boolean _isBypassResponseTimeCheck = false;
 
   Stream *_serial;
   Stream *_console;