Detection that a refrigerant is at a fully charged level

1. A system for indicating on an electronic device that the refrigerant being introduced in an automobile or vehicle air conditioning system has reached a fully charged fill level, said system comprising:

a sensor, including a main body, electronics operating the sensor, and a temperature sensor spaced approximately 19 mm from the electronics for measuring a real time temperature of air flowing through a vent of the automobile or vehicle air conditioning system, the temperature sensor measuring temperatures in a range of temperatures between minus-20 degrees Fahrenheit (−20° F.) and 150 degrees Fahrenheit (150° F.) with an accuracy variable not exceeding 2 degrees Fahrenheit (2° F.);

a wireless transmitter on said sensor, said wireless transmitter being in communication with the electronic device for wirelessly transmitting said real time temperature to the electronic device;

at least one fastener on said main body, said at least one fastener having a plurality of serrations at a distal end;

said at least one fastener being sized and configured for securing said main body directly on a vane of a vent of the automobile or vehicle air conditioning system, and the vent is set for cold airflow through the vent at its highest setting;

an electronic application configured for use with the electronic device, and the electronic application for use on the electronic device is accessible via a website on the World Wide Web; and

wherein said electronic application is structured and disposed for visually indicating to the user via the electronic device the transmitted real time temperature in real time to the user via the electronic device when the transmitted real time temperature reaches a predetermined value and the amount of refrigerant introduced has reached the fully charged fill level.

2. A system for indicating on an electronic device of an automobile owner that the refrigerant being introduced in an automobile or vehicle air conditioning system has reached a fully charged fill level, said system comprising:

a sensor, including a main body, electronics operating the sensor, and a temperature sensor spaced approximately 19 mm from the electronics for measuring a real time temperature of air flowing through a vent of the automobile or vehicle air conditioning system, the temperature sensor measuring temperatures in a range of temperatures between minus −20 degrees Fahrenheit (−20° F.) and 150 degrees Fahrenheit (150° F.) with an accuracy variable not exceeding 2 degrees Fahrenheit (2° F.);

a wireless transmitter on said sensor, said wireless transmitter being in communication with the electronic device for wirelessly transmitting said real time temperature to the electronic device;

at least one fastener on said main body, said at least one fastener having a plurality of serrations at a distal end;

said at least one fastener being sized and configured for securing said main body directly on a vane of a vent of the automobile or vehicle air conditioning system, and the vent is set for cold airflow through the vent at its highest setting;

an electronic application configured for use with the electronic device, and the electronic application is a downloadable software application; and

wherein said electronic application is structured and disposed for visually indicating to the user via the electronic device the transmitted real time temperature in real time when the transmitted real time temperature reaches a predetermined value and the correct amount of refrigerant introduced has reached the fully charged fill level.

3. The system as recited in claim 2 wherein a portion of said temperature sensor is manufactured with thermochromic ink.

4. A system for indicating on an electronic device that the refrigerant being introduced in an automobile or vehicle air conditioning system has reached a fully charged fill level, the system comprising:

a sensor, including a main body, electronics operating the sensor, and a temperature sensor spaced approximately 19 mm from the electronics for measuring a real time temperature of air flowing through a vent of the automobile or vehicle air conditioning system;

a wireless transmitter on the sensor, the wireless transmitter being in communication with the electronic device for wirelessly transmitting a range of real time temperature data from the temperature sensor to the electronic device;

at least one fastener on said main body;

said at least one fastener on said main body being sized and configured for securing said main body directly on a vent channel of the vent of the automobile or vehicle air conditioning system, and the vent of the automobile or vehicle air conditioning system is set for cold airflow through the vent at its highest setting;

an electronic application configured for use with the electronic device; and

wherein the electronic application is structured and disposed for visually indicating to the user via the electronic device the transmitted range of data in real time and audibly indicating to the user via the electronic device when the transmitted range of data reaches a predetermined value and the amount of refrigerant introduced has reached the fully charged fill level.

5. The system as recited in claim 4 wherein the temperature sensor is structured and disposed for measuring temperatures between minus-20 degrees Fahrenheit (−20° F.) and 150 degrees Fahrenheit (150° F.) with an accuracy variable not exceeding 2 degrees Fahrenheit (2° F.).

6. The system as recited in claim 4 wherein the electronic application for use on the electronic device is a downloadable software application.

7. The system as recited in claim 4 wherein the electronic application for use on the electronic device is accessible via a website on the World Wide Web.