August 2009 Archives

"Every time my sprinkler system is on my whole house shakes, rattles, and rolls, and at 4:00 am, I would much rather sleep."

Often, when meeting a client for the first time, I will be asked if the rain sensor really works. There is this persistent rumor that rain sensors do not work or that they occasionally work. This is absolutely not true. Let me explain how they work, the different types of rain sensors, and why this rumor persists.