OEM/ODM Manufacturer HVAC for New Energy Bus - Electric Air Conditioner for Electric Minibus and Coach – SONGZ

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Our goal is usually to deliver high quality items at aggressive price ranges, and top-notch service to shoppers around the entire world. We're ISO9001, CE, and GS certified and strictly adhere to their high quality specifications for Automotive Air Conditioning Lines, School Bus Ac, Electric Air Conditioner 12v, We wish to just take this opportunity to ascertain long-term enterprise relationships with clients from all over the earth.
OEM/ODM Manufacturer HVAC for New Energy Bus - Electric Air Conditioner for Electric Minibus and Coach – SONGZ Detail:

Full Electric Air Conditioner For Electric Bus, And Coach

ESA Series, Single Air Return Area, For 6-8m E-Bus

ESA series new energy bus air conditioning is a kind of roof mounted air conditioner, with single air return area, and with different models to apply for the electric buses from 6m to 8m. The ESA series supports with various optional technology, like the cloud control technology, the high-voltage connection anti-loosening technology, the roof unit integrated battery thermal management system(BTMS) technology, the vehicle thermal management technology, the DC750 high voltage technology, the Condensation water reduction technology, the air purifier technology inside the bus and the energy-saving aluminum alloy compressor.

Please contact with us at sales@shsongz.cn for more details. 

SONGZ Intelligent Electric Modular Architecture (SIEMA) Structure

Intelligent modular platform design (SONGZ SIEMA2 platform), which realizes modular design and combination of compressor, electrical control, condenser and evaporator, integrated thermal management system and etc. The product design is efficient and reliable, and the generalization rate of platform product spare parts can reach 72% .

Technical Specification of Electric Bus A/C ESA Series:

Model: ESA-IB-BNDD ESA-IIB-BNDD
Cooling Capacity Standard  11 kW  13 kW 
(Evaporator Room 40°C/ 45%RH / Condenser Room 30°C)
Recommended Bus Length(Applicable to China’s climate ) 6.0~6.9 m 7.0 ~7.9 m
Air Flow Volume(Zero Pressure)  Condenser(Fan Quantity) 5400 m3/h (3) 5400 m3/h (3)
Evaporator(Blower Quantity) 3200 m3 /h (4) 3200 m3 /h (4)
Roof Unit  Dimension 2700x1600x240 (mm) 2700x1600x240 (mm)
Weight 150 kg 155 kg
Electricity Consumption 4.8 kW 5.7 kW
Refrigerant Type R407C R407C

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PDF (2)   ESA-IB-BNDD Technical Information PDF (2)   ESA-IIB-BNDD Technical Information  

Technical Note:

1. The input power voltage of the air conditioner can adapt to DC250-DC750V, and the control voltage is DC24V (DC20-DC28.8).  ESA series is not suitable for the trolleybus.

2. The refrigerant is R407C.

3. The fan is DC motor.

4. Integrated battery thermal management options:

The charging outlet water temperature is 7℃-15℃, the discharging outlet water temperature is 11℃-20℃, charging ≤10Kw, discharging ≤1-3Kw, the compressor needs to use Highly compressor.

The ESA Series E-Bus AC Functions Upgrade (Optional)

1. Intelligent modular platform design (SONGZ SIEMA2 platform), realizes modular combination of compressor unit, electric control system, throttling system, evaporator, condenser, etc., and the design is efficient and reliable.

2. Lightweight design, aluminum alloy bottom shell design, partial hollow design of condenser, compressor and control cavity, aluminum integrated compressor, 30% lighter.

3. The overall roof design of the air-conditioning unit has less connections, less fixation, small size, and beautiful appearance; the windward layout makes full use of the driving wind of the passenger car to improve the energy efficiency of product operation.

4. The top mount adopts the unique noise reduction and system integration design of secondary shock absorption. Among all platforms, this platform has the lowest noise, the best system and the highest energy efficiency ratio.

5. The EMC of the product meets the requirements of GB/T 18655 level 3, and the system adopts independent intellectual property rights insulation design, which is safe and reliable, and has passed EU standard certification.

6. The compressor adopts DC frequency conversion (permanent magnet synchronous) technology, combined with adaptive frequency conversion control, high-end products are equipped with electronic expansion valves, precise control, energy saving, comfortable and environmentally friendly.

7.The electric control adopts an all-in-one design, which effectively reduces the space occupied by the electrical layout, and the wiring harness design is beautiful.

8. Integrated battery thermal management function, outputting 3-10kw battery cooling capacity according to customer requirements without affecting the cooling effect of the vehicle.

9. Air purification function, including four functions: electrostatic dust collection, ultraviolet light, strong ion generator, and photo catalyst filtration, to achieve sterilization, odor removal and efficient dust removal, and effectively block the transmission of viruses.

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10. ”Cloud control” function, realize remote control and diagnosis, and improve product service and monitoring capabilities through big data application.

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11. PTC electric heating, according to different configurations and ambient temperature, start PTC in time, assist heating, and realize heating in the full temperature range.


Product detail pictures:

OEM/ODM Manufacturer HVAC for New Energy Bus - Electric Air Conditioner for Electric Minibus and Coach – SONGZ detail pictures

OEM/ODM Manufacturer HVAC for New Energy Bus - Electric Air Conditioner for Electric Minibus and Coach – SONGZ detail pictures


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It is a good way to improve our products and service. Our mission is to develop creative products to customers with a good experience for OEM/ODM Manufacturer HVAC for New Energy Bus - Electric Air Conditioner for Electric Minibus and Coach – SONGZ, The product will supply to all over the world, such as: Slovakia, Chile, Borussia Dortmund, Our tenet is "integrity first, quality best". We have confidence in providing you with excellent service and ideal products. We sincerely hope we can establish win-win business cooperation with you in the future!
  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Maud from United Arab emirates - 2018.06.12 16:22
    The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.
    5 Stars By Mario from Mongolia - 2018.12.05 13:53