Efficient irrigation is essential especially in the areas with limited water resources. However, cost-effective and the availability of automated solutions remain limited, especially for smallscale farmers. This study assesses Waterwise, an Arduino-based irrigation system aimed at optimizing water utilization, improved soil moisture management, and minimizing energy consumption. A true experimental design was employed and conducted in six (6) barangays in Malinao, Aklan with thirty (30) farmers selected through accidental sampling. Key performance metrics included Water Use Efficiency (WUE), Soil Moisture Management, and Energy Use Efficiency with findings showing high effectiveness across all areas. WUE recorded a mean score of 4.51, classified as Very Highly Efficient, while Soil Moisture Management obtained an average score of 4.38 and Energy Efficiency obtained 4.37 average score, both classified as Highly Efficient. These findings demonstrate the potential of low-cost, automated systems in improving agricultural sustainability. For further implementation, it should include structured user training to support scalability and renewable energy integration in agriculture.