"Need HVAC Contractors? DK Air Conditioning, Heating & Refrigeration offers Wine cellar, AC/Heating and Refrigeration Installation, repair and maintenance serving Plano, Frisco, McKinnney TX and all of DFW. Look no further your HVAC Specialist is here! We offer commercial and residential HVACR and wine cellar service to Collin County and the greater North Texas area. We provide quality work at very reasonable prices – that’s just good business. "