Square HVAC are the AC repair and AC installation service professionals in Hillside! As trusted HVAC contractors in the field of heating and air conditioning, we have the tools, equipment, and experience to keep your equipment running smoothly all year long. We also service Oak Brook, Elmhurst, and Downers Grove for their furnace repair needs as well! To help reduce emergencies, we offer HVAC maintenance services to keep your comfort system running at peak performance. Our priority has always been our loyal and dedicated customers. Rest assured that Sqaure HVAC will bring you back to comfort, allowing you to stay cool during summer and cozy during the cold season.