Tianjin Sanden

Tianjin Sanden's core product is the automotive air-conditioning system (integrated heating and cooling HVAC), a complete assembly combining cooling, heating, ventilation, and defrosting, serving both the whole-vehicle and three-electric (battery, motor, electronic control) thermal management of new-energy passenger cars and commercial vehicles. Since 1994, the company has been engaged in the R&D and manufacturing of automotive air-conditioning systems, with a modern testing center and production capacity across multiple sites.

Integrated heating & cooling HVAC; cooling/heating capacity customized per model; voltage customized per model; protection rating customized per model

• New-energy passenger cars
• Buses
• Battery thermal management
• Whole-vehicle heat pump

The microchannel heat exchanger (condenser/evaporator) is a pillar product family of Tianjin Sanden, using an all-aluminum microchannel flat-tube and louver fin structure for high-efficiency heat exchange in new-energy vehicle air-conditioning loops. The company positions itself as a specialized manufacturer of microchannel heat exchangers and their components, covering both the condensation and evaporation ends.

All-aluminum microchannel structure; heat-exchange area customized per model; working pressure customized per model; pressure resistance customized per model

• New-energy passenger cars
• Buses
• Heat-pump air conditioning
• Battery thermal management

The microchannel condenser is an all-aluminum parallel-flow condenser used in the refrigerant condensation and heat-rejection stage of new-energy vehicle air-conditioning systems, offering lighter weight and higher efficiency than traditional tube-and-fin designs. Core dimensions and circuit layout can be customized by vehicle model and cooling-capacity requirements.

All-aluminum parallel flow; refrigerant R134a/R1234yf optional; working pressure customized per model; heat-exchange area customized per model

• New-energy passenger cars
• Buses
• Heat-pump air conditioning

The microchannel evaporator is used for refrigerant evaporation and heat absorption inside the air-conditioning case of new-energy vehicles, providing cabin cooling and dehumidification, and can be integrated with the integrated heating-and-cooling HVAC. The all-aluminum microchannel structure balances lightweight design with heat-exchange efficiency, adapting to various vehicle platforms.

All-aluminum microchannel; cooling capacity customized per model; working pressure customized per model; core dimensions customized per vehicle model

• New-energy passenger cars
• Buses
• Heat-pump air conditioning

The high-voltage liquid heater (ECH, 800V) is an electric heating component developed by Tianjin Sanden for new-energy vehicles on 800V high-voltage platforms, used for liquid heating of the battery pack and cabin. According to the company's official news, the first mass-produced ECH unit was delivered to a customer on March 28, 2024 at Tianjin Sanden's ECH clean workshop, marking the product's official entry into mass production.

Rated voltage 800V; power customized per model; protection rating customized per model; used for battery/cabin liquid heating

• New-energy passenger cars
• Battery thermal management
• Whole-vehicle heat pump

The battery thermal management system (TMS) relies on the "Tianjin Municipal Key Laboratory of Intelligent Thermal Management Technology for New-Energy Vehicles" established by Tianjin Sanden (municipal-level accreditation obtained in January 2026) to achieve heating, cooling, and uniform-temperature control of the battery pack. The system can coordinate with the high-voltage liquid heater and microchannel heat exchanger to ensure battery safety and efficiency across a wide temperature range.

Intelligent temperature-control strategy; heating/cooling dual mode; control interface customized per vehicle model; operating temperature range customized per model

• New-energy passenger cars
• Traction batteries
• Battery thermal management

The bus/coach air-conditioning system is Tianjin Sanden's roof-mounted and independent air-conditioning system for public transit and intercity coaches, featuring large cooling capacity and high reliability, and adapted to pure-electric and hybrid bus platforms. The company's official website lists "coach air conditioning" as one of its core business segments.

Roof-mounted / independent; cooling capacity customized per vehicle model; voltage customized per vehicle model; protection rating customized per model

• Buses
• Coaches
• Public transit

The medium and large excavator HVAC assembly is Tianjin Sanden's integrated heating-and-cooling air-conditioning unit within its construction-machinery (engineering machinery) product line, providing cooling, heating, and defrosting for the operator cab of construction equipment. This page has been directly confirmed by the official website's product center and represents an extension of the company's automotive/mechanical air-conditioning system family.

Integrated heating & cooling; cooling/heating capacity customized per machine model; voltage customized per machine model; protection rating customized per model

• Construction machinery
• Excavators
• Construction-machinery air conditioning

The small excavator HVAC assembly is a compact integrated heating-and-cooling air-conditioning unit for small construction machinery, structurally derived from the same lineage as the medium/large excavator HVAC, emphasizing small footprint and high environmental adaptability. The official website's product center has directly confirmed this product page.

Compact integrated heating & cooling; cooling/heating capacity customized per machine model; voltage customized per machine model; protection rating customized per model

• Construction machinery
• Excavators
• Construction-machinery air conditioning

The new-energy heat-pump air-conditioning system (heat-pump HVAC) is based on microchannel heat exchangers and an electric-driven compressor to achieve cabin cooling, heating, and battery waste-heat recovery, improving low-temperature driving range. This product line is supported by Tianjin Sanden's intelligent thermal-management technology system for new-energy vehicles.

Integrated heat-pump heating & cooling; low-temperature heating COP customized per model; refrigerant customized per model; voltage customized per platform

• New-energy passenger cars
• Whole-vehicle heat pump
• Battery thermal management

The battery chiller is a liquid-to-refrigerant heat exchanger in the battery thermal-management loop that transfers heat from the battery coolant to the air-conditioning refrigerant side to cool the battery. Using a microchannel/all-aluminum heat-exchange structure, it works in coordination with the TMS.

Liquid-to-refrigerant heat exchange; heat-exchange area customized per model; working pressure customized per model; all-aluminum structure

• Traction batteries
• Battery thermal management
• New-energy passenger cars

The commercial-vehicle and construction-machinery standalone air-conditioning system targets non-passenger-car scenarios (trucks, construction machinery, etc.), providing cooling/heating solutions independent of engine drive, and adapting to electrification and hybrid retrofit needs.

Standalone; cooling capacity customized per vehicle model; voltage customized per platform; protection rating customized per model

• Commercial vehicles
• Construction machinery
• Buses