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Weather-based controllers skip watering when it rains, freezes or blows hard, and adjust for season.
What the EPA says
The EPA’s WaterSense program says replacing a standard clock timer with a WaterSense labeled controller can save a typical home a meaningful amount of water each year. Details are on the WaterSense page .
When you save the most
- Your old timer ran on a fixed schedule all season.
- You live where rain comes and goes.
When you save less
- You already adjusted your timer by hand.
- Your sprinkler heads leak or overspray. Fix those first.
Rachio’s own data is on rachio.com . Compare controllers in best smart sprinkler controller .
More guides on the Garden & Yard hub .