windows down- more drag. It would take more gas to keep the car moving because the windows would slow the car down.
Driving with the windows down and AC off at lower speeds is more fuel efficient. At higher speeds(45+), having the windows down will create more drag and it is more efficient to have the windows up with the AC on.
You will use more gas when your air conditioner is running.
Yes, it uses power and this power must be generated by the motor using more petrol.
You can keep your windows open with the air conditioner running, but by doing so, you are letting the hot air in, the cold air out, wasting electricity, and causing your electric bill to be higher. If you want your windows open, it would be best to turn off the air conditioner. In a car, it is recommended to leave the windows open for a few minutes for the hot air to escape...then close the windows and enjoy.
theorically driving with the windows down will use more gas due to the disturbance to the car s aerodynamics
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Yes if it is humid outside in the morning How does it get humidity out of the house if the window is open?
No, you don't have to shut the window, but If by "dry mode" you mean "dehumidify" I would think "yes" - close your windows. Assuming it is more humid outside than inside, leaving your windows open would make running in dry mode non-effective. You would be drying the air inside only to have more humid air come right in the window. A waste of electricity and wear on your unit. I can't see any reason to leave windows open unless your unit is only running on "Fan" to circulate the air.
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.
Yes. But if you try to save gas by turning off the ac and drive with the windows open you will change the aerodynamic properties of the car so that its air resistance is higher and it will therefore use as much (or more) gas as with the ac on (and windows closed).
No, you will break something and cost you more $$$.
Please be more specific, one window, all the windows? Are they power? Just deal with it.