Cool Running Air is South Florida's choice for commercial and residential cooling heating and ventilation. On the commercial side, we specialize in commercial HVAC installations including roof top units (RTU's) VRF systems, mini split systems, PTAC's, split systems, commercial refrigeration, and water-sourced heat pumps. On the residential side, we specialize in new construction, residential split systems, residential single-zone mini-splits, and residential mini-split whole-home solutions. read full review »