OTTO... Automated Functional Performance Testing technology by HP Buildings. Increase your profits by saving time and money, eliminate tedious and mundane work, all while providing a broader, more thorough testing regimen than you would ever normally do. Manual vs OTTO? It's time to get automated!OTTO, by HP Buildings, is a technology for commissioning professionals and controls contractors... Automated Functional Performance Testing; Easy Seasonal Retesting; Monitoring-Based Commissioning; Secure/Remote BAS Access; Mechanical/Controls Health Checks.