How much fuel is consumed when idling with the air conditioning on for an hour?

2 Answers
Mary
07/30/25 2:13am
When the car is stationary with the air conditioning on for an hour, it typically consumes fuel worth approximately 4-5 RMB. Detailed explanation: Taking the 1.5 Fengxing 330 as an example, the actual fuel consumption is at least 9 liters per 100 kilometers. In urban areas with air conditioning, the consumption varies around 10 liters depending on driving habits. If driving in the city with the air conditioning on for an hour, the cost would be around 35 RMB. Additional information: Methods for maintaining car air conditioning: 1. Comprehensive inspection of the air conditioning system: Before first use in summer, inspect the air conditioning system, such as checking the refrigerant and whether the air filter is dirty via the reservoir, and if there are any foreign objects in the radiator. 2. Pay attention to cleaning the air conditioning: Some beginners only think about cleaning the air conditioning when its performance deteriorates, which is incorrect. The air filter should be replaced regularly, especially since Beijing's spring has a lot of sand and willow catkins, which can stick to the filter and breed bacteria, causing a musty smell. Therefore, it's best to replace the filter once every year after spring. 3. Do not turn off the air conditioning immediately after parking: After reaching the destination, most owners turn off the air conditioning and leave immediately. Unlike in autumn and winter, the significant temperature difference between inside and outside the car in hot summer can cause the air conditioning system to become moldy and breed mold.
Was this review help?
3
4
Share
VanVanessa
08/15/25 8:15am
When a car idles with the air conditioning on for an hour, it typically consumes around 1 to 1.5 liters of fuel, depending on the vehicle model and engine displacement. For small-displacement cars with engines below 1.5 liters, idling with the AC might use only about 0.8 liters, while larger SUVs or commercial vehicles with bigger engines could consume up to 2 liters or more. The engine already consumes fuel while idling, and the air conditioning compressor adds extra load, forcing the engine to work harder and burn fuel faster. The cooling system inside the car absorbs heat when the AC is on, but this also accelerates engine wear. Prolonged idling with the AC on can lead to faster part deterioration and increased exhaust emissions, harming the environment. So, unless absolutely necessary, it’s better to avoid idling with the AC on—it saves fuel and is more eco-friendly. For new car owners, remember that idling fuel consumption may seem low, but it adds up to significant waste over time.
Was this review help?
6
0
Share
Expand All
More Forum Discussions

Will a Broken Radiator Cap Cause Overheating?

A broken radiator cap will not cause the engine to overheat, but it can lead to coolant loss. The reasons for engine overheating are as follows: 1. System blockage or internal obstruction of the radiator. 2. Mechanical blockages, such as a malfunctioning or damaged thermostat, or a faulty water pump. 3. Air lock, where high pressure from the engine cylinders enters the cooling system. 4. Poor heat dissipation, such as low-speed cooling fans, damaged fan shrouds, or a dirty radiator surface. 5. Cars with electric fans may experience delayed fan activation. Note: Regardless of the cause, it is essential to stop the vehicle promptly and avoid driving forcefully. Overheating prevents proper engine cooling, which can lead to engine damage or failure. Once the temperature drops, drive slowly. If the temperature rises rapidly again, stop immediately and do not restart the vehicle. Seek professional repair assistance or have the car towed to a 4S shop for inspection.
6
2
Share

How to Start a FAW-Volkswagen Magotan?

FAW-Volkswagen Magotan starting methods: 1. For vehicles with one-button start, first fasten the seat belt after entering the car, then press the brake pedal, and finally press the one-button start switch to ignite the engine; 2. For vehicles with mechanical keys, insert the car key into the ignition switch, wait for the system self-check, then turn the mechanical key to start the engine. The Magotan is a B-class sedan produced by FAW-Volkswagen, with dimensions of 4866mm (length) × 1832mm (width) × 1464mm (height) and a wheelbase of 2812mm. For suspension, it features lightweight optimized MacPherson front suspension and multi-link rear independent suspension. Safety features include ESP, AUTOHOLD, EPB, large-size brake discs, and intelligent cruise control.
1
2
Share

What are the driving tips for automatic transmission cars?

Driving tips for automatic transmission cars: 1. Engage P gear only after the car is completely stopped: After the car enters the parking position, hold the brake, shift the gear lever to N gear, pull up the handbrake, release the foot brake, then turn off the engine, and finally push the gear lever into P gear; 2. Shift into driving gear: When starting the car to move, only after stepping on the brake pedal can the gear lever be moved out of P gear or N gear and shifted into driving gear; 3. Use N gear to start: After starting the vehicle, you can first turn on the power, hold the brake, push the gear to N, then ignite, and then shift into D gear to move forward directly; 4. Do not coast in N gear while driving: Because the automatic transmission needs lubrication, when the gear is placed in N while driving, the oil pump cannot supply oil normally for lubrication, which will cause the temperature of the internal parts of the transmission to rise and result in complete damage.
2
5
Share

What engines are equipped in the Mercedes-Benz C-Class?

The Mercedes-Benz C-Class is equipped with a total of three engines: a low-power version of the 1.5-liter turbocharged engine, a high-power version of the 1.5-liter turbocharged engine, and a 2.0-liter turbocharged engine. The low-power version of the 1.5-liter turbocharged engine has a maximum power of 115 kW, a maximum torque of 250 Nm, a maximum power speed of 5,700 rpm, and a maximum torque speed ranging from 1,500 to 4,000 rpm. The high-power version of the 1.5-liter turbocharged engine has a maximum power of 135 kW, a maximum torque of 280 Nm, a maximum power speed of 6,100 rpm, and a maximum torque speed ranging from 3,000 to 4,000 rpm. The 2.0-liter turbocharged engine has a maximum power of 190 kW, a maximum torque of 370 Nm, a maximum power speed of 6,100 rpm, and a maximum torque speed ranging from 1,800 to 4,000 rpm.
8
4
Share

Is it still necessary to affix the annual inspection sticker for vehicle inspection?

It is no longer necessary to affix the annual inspection sticker for vehicle inspection. Starting from June 2020, the nationwide implementation of electronic annual inspection labels began. Now, when vehicle owners go for their annual vehicle inspection, they will not receive a paper annual inspection label upon passing the inspection. Instead, vehicle owners can directly obtain the electronic annual inspection label on the Traffic Management 12123 platform. Here is some additional information: 1. Required documents for annual inspection: Vehicle license; Compulsory traffic insurance certificate; Vehicle and vessel tax payment or tax exemption certificate (usually purchased together with compulsory traffic insurance and can be found in the compulsory traffic insurance policy); Owner's ID card. If someone else is handling the inspection on behalf of the owner, the representative must bring their ID card. 2. Annual inspection items: The inspection mainly includes vehicle testing, safety testing, exhaust emission testing, etc. Newly added items now include appearance inspection, OBD inspection, fuel evaporation testing, and adjustments to pollutant emission limits.
2
2
Share

How Often Should the Brake Fluid in a Sagitar Be Replaced?

Sagitar brake fluid should be replaced every two years or 40,000 kilometers. Below is relevant information about brake fluid: 1. Introduction to Brake Fluid: Brake fluid is made from refined diesel distillate with thickeners and antioxidants added. 2. Checking the Moisture Content in Brake Fluid: Brake fluid has a certain level of corrosiveness and strong water absorption. A dedicated brake fluid tester can be used to check the moisture content in the brake fluid to determine if replacement is needed. You can also observe the color of the brake fluid; if it appears black, it likely needs replacement. 3. Brake Fluid Should Not Be Mixed: Note that different types and brands of brake fluid should not be mixed. Due to differing formulations, mixing brake fluids can reduce their performance indicators.
9
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.