Zach Hendrix - CTO, Entrepreneur & Co-Founder at GreenPal | GreenPal
Americans use approximately 8 billion gallons of water for outdoor irrigation daily, with experts estimating that half of it is wasted through overwatering. Smart sprinkler systems, also known as smart irrigation timers, aim to address this issue by efficiently managing lawn watering for homeowners.
Smart sprinkler systems are designed to regulate water usage and ensure that lawns receive the necessary amount of water. These systems allow users to control water usage and target specific areas of their lawn using a smartphone.
Key features of these systems include automated scheduling, weather-based adjustments, soil moisture sensors, and remote access. Automated scheduling creates watering schedules based on factors such as weather forecasts and soil moisture levels. Weather-based adjustments ensure that the system adapts to changing conditions, preventing overwatering during rain. Soil moisture sensors measure the water content in the soil and activate sprinklers only when necessary. Remote access allows users to control the system from anywhere using a mobile app or web browser.
The technology behind smart irrigation systems focuses on controllers like Evapotranspiration (ET) Controllers and soil moisture sensors. ET controllers adjust watering based on plant transpiration and evaporation data.
Popular smart sprinkler controllers in 2025 include Rachio 3, Orbit B-hyve, RainMachine Touch HD-12, and Netro Spark. Each offers unique features such as advanced weather intelligence, user-friendly interfaces, voice control compatibility with devices like Amazon Alexa, and sustainability-focused functions.
DIY installation of smart sprinkler systems is possible for tech-savvy individuals but may require professional assistance if needed. Regular maintenance includes updating firmware, checking sensors for damage or dirt accumulation, monitoring water use via apps, and winterizing the system in colder climates.
Smart irrigation systems offer benefits such as reduced water waste, cost savings on water bills, enhanced lawn health through precise watering schedules, and overall convenience for homeowners seeking efficient lawn care solutions.