... MISS:We can design and supply Roof mounted bus air conditioner up to your requirement with our own R&D ... ,double system(WX22*2),domestic compressor,8m - 9m(for low temperature region)6TSZQD22B3180004403500*1830*200Rear engine,roof unit, ... fan, fresh air, CAN control:12m -13m23TSZQD40340008365600*1830*200Rear engine,single system,with Bitzer compressor(6PFCY)12m -14m Roof mounted bus air conditioner