HVAC consultancyexecution, detail designing, heat load estimation, DuctPipe sizing, selection of chillers, AHU'S, pumps, cooling towers, FCU'S, Package units, Precision AC'S, all kinds of ventilation systems.HVAC engineering consultancyexecution, detail designingsite supervision, heat load estimation, DuctPipe sizing, selection of chillers, AHU'S, pumps, cooling towers, FCU'S, Package units, Precision AC'S, all kinds of ventilation systems.Zeco Ahu Unit