FireShield Field Notes
How wildfire sprinkler systems actually work
Straight answers about automated wildfire defense for California homes: how zones and water pressure decide what actually gets wet, what happens when the power and cell service go out, when a system draws from your pool, and the questions worth asking any company before you buy.
Alerts & Control
Tell One Fire to Leave You Alone
There is a fire eight miles away that has not moved in three days. Your system keeps asking about it. You should be able to say "not that one" — without switching your protection off.
September 18, 2026 · 7 min read
The Whole System
The Wind Is on Your Screen for a Reason
Distance tells you where a fire is. Wind tells you where it is going. Most fire apps show you the first and leave you to guess the second.
September 18, 2026 · 6 min read
Alerts & Control
When You Press Stop, It Stays Stopped
You stopped the system because you could see it was not needed. Sixty seconds later, does it start again? On most systems nobody can tell you.
September 18, 2026 · 7 min read
More from the series
How It WorksYou Pick the Distance. You Pick the Wait.7 min read
RegulationOne Controller Fits Every House7 min read
Water & ZonesSkip the Zones You Don't Need7 min read
How It WorksWhat Happens When the Cell Towers Go Down8 min read
How It WorksThe Setting You Can Change in Ten Seconds8 min read
How It WorksWhy Most Wildfire Systems Break on the Hottest Day8 min read
The Whole SystemWhat Actually Has to Work When Nobody's Home8 min read
Wondering what this would look like on your property?
Every install is different. The zones, the water source and the layout all depend on the house.
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