HVAC Expert 522186 FL Expertise Description Installation, Diagnostics, Repairs. Ammonia Systems, Refrigeration, Chillers, Boilers, Pumps, Air Flow, Cooling Towers, VFDs, VAVs, Controls. Certified to repair Daikon and McQuay Chillers.Areas of Expertise Boilers Chillers Environmental Protection Agency (EPA) Heating Ventilating and Air Conditioning (HVAC) Mechanical Systems Refrigeration Repair SELECT EXPERT