I was a little worried about hiring a contractor to install my irrigation system, being that I installed my previous two system. I really wanted to install this one to but when I saw the trench less irrigation being done on my neighbors yard I could not bare to go any other route. The guys from Heads-Up came out and did my twenty-two head system in about four hours. The system is fantastic and have had no problems in the year I've had it. I would recommend these guys to anyone.