Service and Installation is provided by experienced technicians. HIGH PROFILE GREEN is a licensed low-voltage contractor, and we have a certified RPZ (backflow prevention) technician on staff to ensure that your system is in compliance with State and local ordinances while avoiding scheduling issues that arise when this service is sub-contracted to a licensed plumber, as is a common industry practice. Irrigation-only service programs are available to ensure a properly functioning system from your spring start-up to fall winterization. We the preferred installer for Irrigreen and Hunter systems.