All systems must be guaranteed against freeze damage. System performance must be FSEC certified.
Systems must be installed by a contractor currently certified to install solar water heaters by the Florida Dept. of Business and Professional Regulation Construction Industry Licensing Board per Fla. Stat. § 489.105.
To qualify for the rebate program, a solar system must have current Florida Solar Energy Center (FSEC) approval, the system's performance must have current FSEC certification, and contractors must be currently certified to install solar water heaters by the Florida Construction Industry Licensing Board. The collector should be oriented to face within 45 degrees of due South and must be tilted between 15 and 40 degrees of horizontal, but collectors that are oriented and tilted in another direction can qualify for the rebate if they are pre-approved by GRU.