Moving forward with your construction project or simple renovation requires a test and balance verification signature. ECHO offers test and balance in Sunrise today. Our crew will come to your location today. Early morning, yes; during working hours, yes; late nights after closure, yes; ECHO will bring certified personnel to complete your inspection with the state of Florida requirements. Verification of airflow compared to predetermined figures is quick and easy. ECHO is bonded and insured to be on any property in the state. Call experience. Call ECHO Test and Balance.