Suraj air flow engineers offers a range of air conditioning systems for buses. The company has tied-up with kingtec group of china to market air-conditioning systems to suit the need of diverse requirements. The ksh series i-wave kingtec bus air conditioner from kingtec is a parallel disposal type air conditioning unit that has a cooling capacity of 113000 btu/h for ksh11, 120000 btu/h for ksh12 and 143000 btu/h for the ksh13 respectively. The ksh 11 employs a 647cubic.Cm compressor, the ksh12 employs a 647cubic.Cm compressor and the ksh 13 employs a 836cubic.Cm compressor. The kingtec group specializes in coach building and air conditioning and has built a 1,30,000 sq.M facility in heyuan, guandong, china. The facility also specialises in truck refrigeration, cold storage equipment, etc.