VACAVILLE, Calif. /California Newswire/ — Integrated Comfort Inc. (ICI) of Vacaville, CA has recently completed DualCool installations on 14 Walmart stores in northern and central California. DualCool is a retrofittable system that significantly improves the efficiency of rooftop cooling units (RTU’s) in dry climates. The patented DualCool technology is owned and manufactured by ICI.