Rooftop HVAC Units (rooftop air conditioning unit) is an packaged air-conditioning equipment with its own cooling source and air cooling.Its refrigeration, heating, humidification, air supply, air purification, electrical control, etc. are assembled in a horizontal cabinet, and because it is mostly installed on the roof, it is called a rooftop air conditioning unit. 

Rooftop air conditioning units can be divided into: single cooling type, electric heating type, constant temperature and humidity type, constant temperature and humidity clean type, heat pump type and other types.

Applications

It is widely used for the temperature and humidity control in large and medium-sized factories and plants where it is inconvenient to install waterway systems and areas where water resources are scarce and cleanliness and other parameters adjustment, such as  Middle East, South America and other regions.

Typical Cases

ProductionPacking & DeliveryABOUT YITONGNanyang Yitong Explosion proof Electric Co., Ltd. is an advanced electrical    solution provider for hazardous areas of zone1, zone 2, and zone 20, zone 21, zone 22.   We have wide range explosion proof types of air conditioners, electrical control box, CCTV camera, lamp & light fixtures, electrical equipments, and box & fittings.      Our products and projects occur in various occasions of petroleum, chemical and workshop across the world.We care the most of quality and stability of our products, as well as efficient  communication  and  positive service to our customers and partners.Most products are certified under China national explosion protection standards GB3836 series, which is based on International Electrotechnical Commission (IEC) Standard for Electrical Products used in Explosive  Environments (Ex),  some  products also obtained the EU  standard  certificates  as ATEX,  IEC Ex, CCS ( China explosion proof electric products for Marine environment), MA (for Mine use, China). 

Company run with ISO quality management system as ISO9001, ISO14001, OHSAS18001 and China QS .Nanyang Yitong is the registered supplier of China National Offshore Oil Corporation(COOC), China National Petroleum Corporation(CNPC), China Oilfield Services Limited(COSL), ABB(Switzerland)，Altrad Group(France), Hyundai Engineering Co., Ltd(Korea).etc. We also have solo agent in UAE, Egypt, Russia and Korea.

Exhibitions