Using ECHO for your AC repair is a wise decision. Boasting the cleanest and most professional technicians in the county, ECHO Industrial has been in business for over 50 years. Open 24hrs with Financing Available. You will enjoy a great experience for your home AC repair. Take the time to speak with a technician at ECHO; we will explain your AC needs to you. Scheduling an appointment is easy with 24hr service technicians. Set a convenient time for you today by phone. Call Today for an Appointment.