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Yes, fuel consumption will increase with use of your AC system. Your serp belt is only turning a free-wheeling pulley on the front of your AC compressor. When you request AC, an electric clutch behind the AC pulley engages, then your serp belt is turning a demanding compressor. This excess load will actually drop engine RPM briefly at an idle or while cruising. Your vehicle control system will respond by raising the idle to compensate. It is this compensated idle and engine load that brings you back to the gas pumps on the hottest days.

While use of the AC does increase energy consumption, running the AC at freeway speeds is more efficient than opening the windows for cool air. The increased drag caused by open windows uses more fuel than the AC. Around town, however, the AC is less efficient than rolling down the windows.

To reply to the answer about fuel mileage being better at highway speeds vs. rolling down the windows, this is only true in some cases. If you have a small enough engine, running the A/C at highway speeds can have a worse affect on mileage than opening the windows.

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โˆ™ 2015-07-15 18:19:54
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Heating Ventilating and Air Conditioning

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Q: Does use of the air conditioner decrease mileage?
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Related questions

Can you use a window air conditioner as a portable air conditioner?

yes we can..

When using your car air conditioner does it use more gas?

Up for debate--Will lower fuel mileage, but if you take into consideration the increased wind resistance created by having windows open--probably a wash Up for debate--Will lower fuel mileage, but if you take into consideration the increased wind resistance created by having windows open--probably a washYou will use more gas when your air conditioner is running.

What can you do for better gas mileage?

Don't use air conditioner or heater, roll windows down, and don't put stuff on top of the car (like a car top carrier).

Do you have to remove the air conditioner dryer to use the pulley on a 1996 deville?

No you don't have to remove the air conditioner dryer to use the pulley.........

Does running the air conditioner in your car waste gas?

You will use more gas when your air conditioner is running.

How i can able to make a solar air conditioner for my home?

You can buy an traditional air conditioner, and fix solar panels on the roof,then use solar panels supply the air conditioner.

When was the first air conditioner for the home invented?

The first air conditioner for the home was available in 1928 when Willis Haviland Carrier developed the 'Weathermaker', an air conditioner for private home use.

Air Conditioner Reviews?

form_title= Air Conditioner Reviews form_header= Stay cool with a great air conditioner! Do you want a window unit?*= () Yes () No How often do you use your air conditioner?*= {Daily, Weekly, Monthly, Other) Are you replacing an existing unit?*= () Yes () No Do you have central air?*= () Yes () No

Does use of the heater decrease mileage?

When a car runs, it produces heat as a wasted product. This heat is then used to heat up air and blow it at you. This heat will be created even when the heater is off, so using the heater should not lower gas mileage.

How much does it cost to service a air conditioner unit?

Air conditioner service cost depends on the problems and materials use in changes.

Where can one purchase a mobile air conditioner unit for home use?

Mobile air conditioner units for home use can be purchased at most home improvement stores. Lowe's, Menards, The Home Depot, and Sears all sell mobile air conditioner units.

Does an air conditioner use a thermostat?


Does your air conditioner still use freon?

Air conditioners manufactured between 1970 and 2010 use Freon as a coolant. Freon is scheduled to be phased out of usage by 2020. Newer air conditioner models use a different type of coolant.

Do you add coolant or freon to make a cars air conditioner work?

you use freon to cool your car and make the air conditioner work

What wire do you need to use to hook up air conditioner to your home?

What wire do you need to use to hook up air conditioner ? Does it need to be 10/2 with ground? How do I connect this. Thanks!!

How can I make my air conditioner more energy efficient?

I suggest that you put your air conditioner on low or use the fan on the air conditioner because it uses less energy. Another thing you could do is take a regular fan and put in the window to get air flow.

Where is the air conditioner on poptropica?

there is no air conditiner until you use your tool box

How do you decrease air temperature in the room without use ac and window?

If you use a fan or some form of air circulation it will decrease the feel of the temperature though it may not decrease the actual temperature.

When does an air conditioner use the most electricity?

in the summer

Is it more economical to run a 110v window air conditioner at night than to keep using your 220v air conditioner?

Use the air conditioner whose product of votage X amps is the lowest if you want to pay the least to operate.

Can you use a wall air conditioner in a window?

Yep. You get it in there. you can use a central unit if you can get it in there.

How many kilowatts does an air conditioner use per hour?

It depends on the size of the air conditioner. But an air conditioner along with all electrical equipment will use an amount of watts or kilowatts continuously. The energy used is measured in watt-hours or kilowatt-hours, in other words multiply the watts by the hours it is switched on.

What type of refrigerant does a sharp air conditioner use?


Can you use a heat pump just as a air conditioner?

sure why not

If you raise your cars air conditioner to a higher temperature will you use less gas than if you keep it cooler?

The gas efficiency of a vehicle is determined by how much power is being used. The air compressor is what affects the gas mileage. The hard the compressor works the more gas a car will use. If the compressor is on the gas economy will go down.