velocity air conditioning To bring the truck’s interior up to speed, so to speak, Velocity replaced the old gauges with a custom digital dashboard, added a Bluetooth stereo system, put in a six-point roll bar, and installed a.stan’s hvac trane HVAC company Knipp Services in Wichita has sold its commercial sales, service and aftermarket parts business to Trane U.S. Inc. Owner John Knipp made the decision to retire after running the business.williams heating and air wilson heating and cooling Wilson Heating and Cooling provided excellent service recently in replacing our home a.c.system. Stall was professional, careful, courteous, prompt, and informative. We purchased a system technologically advanced but felt we were being fully supported on this step forward from our previous system. We highly recommend this company.