They came over following another company told me their method may perhaps maybe dead. The service tech told me he felt the program might maybe OK and just needed a breaker. He had 1 on his truck and filled their AC with Freon and it could possibly up and operating. http://airconditioningcontractor99900.win-blog.com/6527759/not-known-incorrect-statements-about-heating-and-air-conditioning-valley-village