Browse

Property For Sale Property For Rent

Used Cars Others

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Others Pet Supplies Sporting Goods Ticket Toys Games Transportation

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

Does Using Car Heater in Winter Consume More Fuel?

2 Answers

OBlakely

08/30/25 3:42am

Using the car heater in winter does not consume extra fuel. Principle of car heating system: Turning on the heater does not waste fuel. Some drivers avoid using it to save fuel, but this is unnecessary. The car heater utilizes the engine's cooling system: a small fan directs heat from the engine into the cabin. When the heater is off, the fan stops, and the heat vents close, allowing the heat to dissipate into the atmosphere. Thus, the car heater recycles waste heat and does not consume additional fuel. Risk of carbon monoxide poisoning in winter: Keeping the heater on for extended periods while parked can be dangerous, as it may lead to carbon monoxide poisoning. This is especially risky when sleeping in the car with the heater on. To stay warm safely, drivers should slightly crack open a window to allow ventilation while maintaining warmth.

Was this review help?

13

5

Share

PenelopeLynn

09/11/25 7:45am

I've researched this issue, and the heater itself doesn't consume extra fuel. A car's heating system actually utilizes waste heat from the engine, blowing warm air into the cabin by circulating heated coolant through the blower system - which is completely different from using the air conditioning compressor for cooling in summer. However, if you turn on the heater immediately after cold starting when the engine coolant hasn't warmed up yet, it will actually prolong the engine warm-up period and increase fuel consumption. My practice is always to drive for a few minutes first, waiting until the coolant temperature gauge needle reaches the midpoint before turning on the heater - this way I get warmth without wasting fuel. By the way, don't randomly press the AC button when using the heater, as activating the compressor will indeed consume extra fuel.

Was this review help?

5

5

Share

Expand All

More Forum Discussions

Is driving at 50 km/h in 3rd gear considered lugging?

Driving at 50 km/h in 3rd gear is considered high-speed, low-gear lugging. Symptoms of lugging: Lugging refers to a situation where the vehicle's gear is too high for the actual driving conditions. Higher gears provide a higher gear ratio, but torque decreases accordingly. If you force a higher gear when climbing a hill or driving at low speeds where high torque is needed, it will result in lugging. Damage to the engine caused by lugging: When the engine is lugging in a low gear, it exhibits symptoms like weak power output, severe shaking, poor acceleration, and significant stress on the transmission. The biggest long-term harm of driving with low-speed lugging is carbon buildup, caused by incomplete fuel combustion, leading to a series of related issues. Driving under lugging conditions can easily cause the engine to stall and increase fuel consumption. In such conditions, the engine may operate near the critical RPM, and if the engine speed drops below 1000 RPM, it may stall.

What Causes Vehicle Body Shaking During Acceleration?

The reasons for vehicle body shaking during acceleration include: 1. Aging engine mounts; 2. Loose chassis; 3. Overheating engine, where the ECU controls the fuel injection system to inject more fuel, resulting in a richer air-fuel mixture, causing engine shaking during sudden acceleration; 4. Poor tire grip, which can also lead to shaking during sudden acceleration. While driving, it's important to monitor the temperature gauge. The normal engine water temperature should be maintained between 80°C and 90°C. Temperatures that are too high or too low can increase fuel consumption. Notably, insufficient coolant in the radiator can quickly raise the water temperature. When the water temperature exceeds 95°C, fuel consumption increases by 30% to 40% compared to normal temperatures, and it can easily cause component wear and damage.

Where is Land Rover manufactured?

Land Rover vehicles are primarily manufactured at the Changshu factory in China, the Halewood factory in Liverpool, UK, and the Solihull factory in the UK. The Changshu factory in China is a joint venture established by Chery and Jaguar Land Rover, named Chery Jaguar Land Rover. It mainly produces the Land Rover Discovery Sport and Range Rover Evoque models. Other higher-end models such as the Range Rover, Defender, and Discovery are produced at the Halewood factory in the UK. The Land Rover Discovery Sport, abbreviated as 'Disco Sport,' features straight and upward-sloping body lines that extend from the front fenders to the rear taillight clusters, adding a certain visual length. In terms of body dimensions, this car measures 4597mm in length, 1904mm in width, and 1727mm in height, with a wheelbase of 2741mm.

What Causes Engine Shaking in Toyota Camry?

Toyota Camry engine shaking can be caused by various factors, including ignition timing, engine carbon buildup, and excessively high engine temperature. These issues may lead to noticeable engine vibrations. If severe shaking occurs while driving, it is advisable to stop and inspect the vehicle promptly to prevent affecting normal operation. The all-new generation Toyota Camry is built on the innovative TNGA platform. In terms of dimensions, the car measures 4900mm in length, 1840mm in width, and 1455mm in height, with a wheelbase of 2825mm. The facelifted eighth-generation Camry offers three powertrain options: TNGA 2.5L HEV, TNGA 2.5L, and TNGA 2.0L, available across ten models spanning three series - Luxury, Sport, and Hybrid versions.

What is the 'a' below the electronic handbrake?

The 'a' below the electronic handbrake stands for 'autohold', which is the automatic parking system. After activating the autohold system, you don't need to shift into neutral (N) or pull the handbrake when waiting at a red light. The car will remain stationary without rolling. When the light turns green, stepping on the accelerator pedal will make the car move forward. This system is particularly suitable for urban roads with frequent traffic lights. Cars equipped with electronic handbrakes have two handbrake motors on the rear wheels. Pressing the electronic handbrake button causes the motors to clamp the brake pads, preventing the car from rolling. The autohold system is different from the electronic handbrake system. If an automatic transmission car does not have an autohold system, you need to shift into neutral (N) and keep pressing the brake pedal or pull the handbrake when waiting at a red light.

How many generations of Civic models are there?

Civic currently on sale is the facelifted tenth-generation model. As a compact sedan under Dongfeng Honda, the Civic has launched multiple variants to cater to consumers' preferences in different countries, including three-door hatchback, hardtop coupe, hybrid version, and five-door sedan version. The chrome decoration on the front is no longer exaggerated, replaced by a more integrated and fuller horizontal grille design, enhancing the front's solidity and unity. The side profile features bold lines with a fastback design, combining the characteristics of both sedans and sports cars. The entire roofline slopes down to cover the rear, making it resemble a crossover-style model like the 3 Series GT more than a traditional sedan.

Trending Ranking

Is the BMW M4 Rear-Wheel Drive or All-Wheel Drive?

Can traffic violations be checked on the same day on 12123?

Where Should the Needle on a Fire Extinguisher's Pressure Gauge Point for Normal Operation?

What is Cruise Control?

How many days are highways free during National Day?

What Does Cruise Control Mean?

How often should power steering fluid be changed?

What brand of car is SRM?

Where is the Civic door drain located?

How to turn on the air conditioning in a Chevrolet Cruze?

More Forum Discussions

Why is there a gasoline smell when starting the car?

What is the SET button in Volkswagen cars?

What engine does the Civic have?

What is the ECO on the Buick Excelle?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.