Very happy with irrigation system installed by National Capital Irrigation in 2013 and serviced twice a year since. I purchased a remote for the system and when it was out of warranty they upgraded me to a wifi system for free. They have also made it easy to make adjustments to the irrigation system as I have had additional landscaping work done. Also, when they open the system, if any of the heads are damaged they replace them for free. I would not hesitate to recommend them.