Finish TradesQuestion 480 of 700

Under CALGreen landscape provisions, automatic irrigation systems installed for new construction are generally required to use what type of controller?

a.A simple manual timer set by the owner
b.A weather- or soil-moisture-based (smart) controller
c.No controller, relying on hand watering
d.A fixed clock with no sensor input

Explanation

CALGreen requires weather- or soil-moisture-based controllers that adjust watering to actual conditions, saving water. A basic manual timer or a fixed clock with no sensor does not respond to weather, and eliminating the controller does not meet the water-efficiency requirement.

Law Reference: 2025 CALGreen §4.304.1

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