Ac For Buses Starliner faces challenges and plays a crucial role in the following real-world scenarios:
Extreme Climate Compatibility: The system must provide powerful and rapid cooling for extended periods during the summer, maintaining cabin humidity within a comfortable range. This is a key factor in attracting passengers from older, non-air-conditioned buses to the newer models.
Adaptation to Complex Road Conditions: As noted in a 2025 article in Dawn’s Aurora magazine, even on imported new energy buses, the DC bus air conditioner vent panels can creak due to Pakistan’s road conditions. This places extremely high demands on the robustness and seismic resistance of the air conditioning structural components.
Continuous Operational Assurance: As the mainstay of urban public transportation, buses need to operate for extended periods. The reliability and low failure rate of the air conditioning system directly impact uptime and operating costs.
| Model | E-Clima2200 | E-Clima3000 | E-Clima4000 | E-Clima6000 | E-Clima8000 | E-Clima2600S |
| Voltage (V) |
DC12V/24V | DC12V/24V | DC12V/24V | DC12V/24V | DC12V/24V | DC12V/24V |
| Cooling Capacity (W/BTU) |
2200W//7500 | 3000W/10000BTU | 4000W/15000BTU | 6000W/20472BTU | 8000W/27300BTU | 2600W/78870BTU |
| Installation | Rooftop Mounted | Rooftop Mounted | Rooftop Mounted | Rooftop Mounted | Rooftop Mounted | Split Mounted |
| Evaporator Air Volume (m³/h) |
650 | 700 | 650 | 650 | 1500 | 450 |
| Condenser Air Volume (m³/h) |
1050 | 1400 | 1050 | 1700 | 3600 | 1400 |
| Refrigerant | R134a | R134a | R134a | R134a | R134a | R134a |
| Dimension (mm*mm*mm) |
700*580*263 | 885*710*290 | 700*580*263 | 1580*385*180/ 920*928*250 |
1260*1030*180 | 682*465*192 540*362*165 |
| Weight (KG) |
32 | 35 | 18/47 | 18/47 | 31 |
Ac For Buses Starliner’s advantages are reflected in multiple aspects: policy, operation, and experience:
Environmental Policy Alignment: Sindh Transport Minister Sharjeel Inam Memon has clearly stated that the provincial government’s goal is to transition the entire transportation system to pure electric power to save fuel and create a cleaner environment. High-efficiency electric air conditioning is a crucial component in achieving this green vision.
Operational Economics: Highly efficient and energy-saving air conditioning significantly reduces the energy consumption of electric buses, thereby extending the range per charge and directly lowering operators’ electricity costs.
Revolutionary Ride Experience: Compared to older buses, the stable and comfortable air-conditioned environment provides a “revolutionary travel experience,” a key reason why passengers are willing to pay higher fares (e.g., 80 to 120 rupees in Sindh), although fare increases sometimes spark controversy.
Beneficiaries of Ac For Buses Starliner:
Governments and Policymakers: For policymakers like Punjab Chief Minister Marian Nawaz, who are pushing for electric buses to control smog, buses equipped with advanced air conditioning are a “mobile calling card” showcasing their environmental commitments and public benefits.
Public Transport Companies: Operators rely on the reliability and energy efficiency of air conditioning to ensure vehicle uptime, control overall operating costs, and attract more passengers to increase revenue.
General Public Passengers: Passengers are the direct beneficiaries. Whether paying passengers or enjoying free rides like those for women, students, and seniors on the Rawalpindi electric bus service, they all enjoy an equal and dignified comfortable travel experience.



















