How much MORE GAS does your AC use?
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- Опубликовано: 6 фев 2025
- #ac #consumption #fuel
In this video, I will be using my android OBD2 unit to monitor my fuel flow at idle, and at idle with my ac on in the car. The objective of this video is to determine how muchadditional fuel is being expended to run the ac unit in my car, and finally, how much more I am spending to keep myself cool on these hot days.
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My dad and I once drove to Vegas (5hours) and he didn’t turn on the ac to save gas this man was literally cooking me to save like 5 bucks😂
I don't care if gas goes to $10 a gallon, that cold air equals gold on a 90+ degree day!
Right there with you haha
True , I'm homeless and my car is my home, my radio , and my ac for the sun
Damn you’re about to get your $10 per gallon dumbass
That's only If your not strong enough to take a little heat.
@@romanianguy20 whatever way you want to look at it. Unless I'm in a place where I have no choice, I don't do over 75 degrees.
I done an actual test using everyday driving conditions. Just driving back and forth to work. A full tank of gas without the AC got me 360 miles before the gas light came on. A full tank of gas withe the AC running got me 335 miles before the gas light came on. so it does make a small difference but not anything significant. The car i tested this with is a 2013 Ford Focus with a 2.0 liter 4 cylinder with an automatic transmission.
I learned that it also depends on the car because each car is built different. The configurations changes how much gas you use
This is true
I mostly sleep for about 4-5 hours in the car in between shifts, instead of driving an hour back and forth from home half-asleep. And with weather in SoCal right now in the summer peaking at triple digits, I would go with AC instead of suffering a heat stroke any day.
Thanks for the video.
follow-up question. Would idling for hours on a hot day with the ac on repeatedly, damage my engine in the long run?
you're putting a lot of stress on your engine thiswill shorten its lifespan
Ps . I'm not a pro or have the tools to confirm it but I think it is common sense bro
Bro so you really sit there idling for 5 hrs? You need to get a better job and/or move closer to work buddy
@G-flo your oxygen sensors will burn out much faster and depending on each model, there might be 1-4 sensors. You're looking at a bill between $300-$600 depending on the model. Sensors are about $70-80 but accessing them to change them is super time consuming which increases labor time massively.
You're also clogging up your catalytic converter far faster.
Idling engine is still circulating transmission oil if tour car is automatic which creates heat in transmission but no running air to cool the oil and other transmission parts. Just some things to consider.
To get an even better 20% gas efficiency I removed and bypassed my AC compressor completely and fitted a shorter belt for less pulley friction on the crank and 20kg less vehicle weight ! On a warm day I still keep my windows up and just use a separate 12V fan I stuck on the dash !
Finally someone doing a real test
Thanks a lot Subbed
@@RoSi20145 thanks
Irony I'm sitting in my Evo x running ac to figure this out and this is the first video that comes up when I ask "does ac use more gas" 😂 crazyy
Small world haha
This matches the results Tech Ingredients found idling in the winter, so that basically proves it lol - regardless of weather, you're looking at about 1/3 gallon per hour idling a typical car with heat/AC on.
That's significantly cheaper than I expected, so I'll finally stop worrying about the cost of this when I do it.
nice video, nice head unit. I'm not convinced that a/c uses more gas, and the reason is because the only reason your fuel consumption increases is because the rpm increase. your vehicle (as many of our vehicles) has many miles so that load has more impact than a new vehicle would. for example, go rent or test drive a brand new vehicle and turn the a/c on max & you will hardly notice any difference. so basically, it's the increase in rpm not necessarily the a/c. if you slightly push the gas pedal so that it raises the rpm to 800 (with the a/c off), you will see the same 1cent/gallon increase. Also, another reason I'm not convinced is because the a/c compressor is constantly spinning with the belt no matter if your using a/c or not. in addition, you may have that spike in engine load & increase in rpm when you first turn the a/c on max however after 30 - 60 seconds it will level out and your fuel consumption will go bck to normal. at 2:25 you turned the air off and back on to show that it gives a constant increase, however most modern cars have thermostat to monitor interior temp and the fact that you didn't let your car a/c run long enough to cool the cabin is why it will wrk hard at first start to cool the cabin.
Thanks for the comment, and while you raise some strong points, id just like to mention that my compressor is not always spinning as there is a clutch that physically connects and disconnects it from the drivebelt. Secondly, form a physics stand point, if the engine is idling at 700 and we induce a load on it, the rpm will drop, say to 600 as an exmaple.. the ecu will want it to be 700 again so it will conpensate accordingly with air and fuel, thus burning more gas (not much but more than previously). Thirdly, i am not sure if this is the case willa ll modern 2020 cars but in my lancer, the ac cycles on and off and on and off like a baseboard heater, it is not modulated so it cant work half as hard or a third as hard depending on if the cabin is at the set temperature. What it does is it will simply engage the clutch for a longer period of time and have it cycle that very often, then when the cabin is at temperature and all it needs to do is maintain it, it will cycle less and the on periods will last say 5 seconds instead of 30 seoncds. I hope this clarifies a few things :)
@@Huntsteven6 either way, nice lancer & I'm huge fan of Android head units 💪
Hey would you know if gas gets used if you turn the heat on?
@@joshgrant5375 no, it doesnt
the heat is just used from the coolant to heat your car
@@joshgrant5375the only load on the engine would be your fan motor to blow air thru the vents
I like enjoying the free sauna sometimes, gotta love summer.
Great video Steven,
I never thought to use all those gauges in such away.
How much more does the load go up if you turned the fan all the way up?
I dont have a precise answer for you since i havent tried that, however I would assume not a whole lot at all because from minimum to maximum, the blower motor would probably consume maybe 100W more as opposed to the 3-4 kW likely consumed by the AC compressor.
@@Huntsteven6 but the ac compression is belt driven by the engine ..
@@infrasonicrebasses4763 yes
Nice vid! Always wondered how much the AC was actually using. Not worth it to me tho lol, rather just drive with the windows down.
You would think in this day and time cars would be made better so a.c. doesn't affect the gas. Considering how much a car costs.
@@outdooradventurer394 this test is BS. He showed how much ac cost at max settings while idling in his car. In fact windows are slightly better in city and ac at highway but is very hard to measure anyway because deference is so low and too many variables.
At the same time, driving with the windows down increases drag, causing more power and torque for the car to put out, battery operated a/c will do the trick.
Sadly that’s not an option during the summer in arizona..
@@outdooradventurer394 . What about rain?
I think that test was done at idle, if so, I think your numbers will be a fair amount different under "driving" conditions.
If anything the ac will consume more gas when at higher revs due to increased resistance, but in the scenario, that difference will pale in comparison to the road ondulations, cruise control variations and wind conditions which would make accurately measuring a difference near impossible
20 to 27 is almost nothing
80 cents an hour is hardly a factor. Also, if you don't run your A. C. regularly for a long, long time your seals will dry inside the unit and it won't work anymore, and it will leak the coolant into the air/atmosphere and add to the environmental consequences. Also, this guy should run that efficiency/flow/load test on the freeway with windows down. A. C. should win, unless you have a bad A. C. compressor.
Cintia this video wasn’t aimed at performance differences but rather fuel costs, in which case 7% is a lot because it’s an Increase of almost 40%
@@Huntsteven6 oh
7 is 40. Gottit.
@@AngelCintiaRockgirl 20% load without AC on, 27% with AC on. 7% ÷ 20% = 35%(almost 40) increase in load during his test.
@@AngelCintiaRockgirl you're not good at math
@@QTALISCHILL I dont Believe that is directly translating though because 40% for the sake of nice round numbers is almost half and running the AC does not cut your gas mileage in half
This test was done on idle , what about a moving car driving around? 😢
Tnhks. I also would like the test done in a highway vs city
I feel like in highway it doesn’t make a difference since the the car is already running in high rev
It doesn't make any difference to you because you don't know how to drive, you drive like shit . Try getting someone to teach you how to drive properly
This is the second comment I’ve gotten for this, thanks! And ill definitely look into it
Are ee talking about AC on windows up or down in a parking lot? Or while driving? Because if you are driving windows down...you need to consider air drag....
Mr. Mister this scenario is with wi does up and ac on, although that is a good video idea, to see how much more gas is used driving on the highway with the windows down
@@Huntsteven6 air drag contrubutes alot in terms of gas used..
Mr. Mister very true, and something worth making a video on
@@Huntsteven6 do the freeway drive test...
Myth busters already did this
Now you need to do it while driving 30 50 and 70 mph to see how much difference there is while driving. ✌️
Good video, all cars are going to be different, some even use a Variable AC compressor, Also when you’re on the highway it’s the same amount or cheaper to run the AC than it is to have the windows down for the drag
True
In the app you can actually set to Imperial and US MPG rather than metrics
i want metric system
A full tank how much $ wasted having ac on .. about a dollar?
Good one bro 👏🏻
I’d like to see that same test when the car is not at idle. So the same test in a highway with cruise control on and I imagine the difference would be negligible.
The fuel consumption difference will be the same if not higher due to the increased resistance of the AC pump rotating faster. The only difference is that since the car is combating a higher wind resistance due to travelling at high speeds, the relative consumption will be less. But net, more.
I think your gauge is based on load calculation on fuel consumption. Not the actual fuel measurement
You should experience the fuel consuming while driving the car with open windows vs fuel consuming while using AC ( windows closed )
And you will be surprised by the result.
AC on will consume less then driving with open windows on a hot day in thr highway!
I’ll give that a check! Thanks
wrong comparison.
When you speed upto 50KM/Hr, the air drag as a result of air rushing in cos windows are down puts more load on the engine than when AC is on and windows up. So you actually save fuel with AC on and windows up
Nope
what is your cars rated mpg? looks a lot newer than mine so it's probably way better, I'm wondering how much my old boat burns when I idle with the a/c on
My current car is the epidemy of gas mileage
does this also apply for heating yr car with the AC ?
Yes
What was the percent increase on your mpg?
it is so small that it is negligeable compared to the consumption of the engine
are you using an app called torque?
Yes
So were the results based on the car running at idle or driving as well?
Idle
What about the heater? And does fan speed make a difference?
The heater no, because it circulates the cars coolant, the fan does a bit but not by a considerable amount
@@Huntsteven6 yes the heater uses gas
@@dixiedamelio8170 no
@@Huntsteven6 okay thanks, my car is unable to turn off the ac\heat and it stays always on full blast. I guess I'll go with heat instead of AC then
May here besrly in Arizona I notice im using double the gas almost for 97 truck small s10 cite n v6
Ac using double the gas? That’s not right
What is the app u r using??
Torque app
What the car engine buddy?
4 cylinder
@@Huntsteven6 buddy I have a Camry 2008 3.5 V6, what do you think would it consume in an hour with ac on
@@jashansingla2421 little bit more than in video
@@Huntsteven6 like around 1.5 liters an hour
@@jashansingla2421 possibly
Guys stop being ridiculous. The difference is gonna be minimal for a lot of comfort. So stop thinking bout this and enjoy your air conditioning
I dont think this test can be considered a good test. Lets say the engine only produces 50 hp at idle and the AC consumes 3 hp to operate. So that's 6% of engine power consumption and that seems like a big number.
But when engine is producing 100 hp during normal operation then the power consumption is only 3% and if the engine is producing 150 hp then the load is 2%.
That's why smaller cars get affected more by AC operation than big ones because they have small hp engines.
The load was a demonstration, the fuel flow was used for the calculation. Also I think we can all agree that this wasn’t a science video done in a million dollar lab… so take it with a grain of salt please
Could u possibly make more fortnie and also is the vbuck giveaway still a thing if not its ok i just want to see more fortnite videos ps. Im Not_Septile
where you located
Quebec
What about people with allergies and pollen?
Tracey Cancio how is that relevant
@@Huntsteven6 . If a person doesn't want windows down because of allergies and doesn't want a.c. going, then what?
@@traceycancio1795 then have the fan blowing air through the filter without the ac on..
Turn ac on with recirc in to close off outside air or buy a tesla they have best filter ever
That's brings your $/gallon up by 50% cause you'll be spending half of the time your car is on being an idiot. And that's quite a load on your engine just idling and texting your ex husband and your therapist
Good thing my car never had ac 😂🔥🔥🔥🔥
The fire is me in the car. Its hawt af
What😂😂😂
You didnt calulate areodynamics/drag while driving into your equation. Good Vid but not accurate.
But that remained constant and doesn’t change with the ac being on or off, I actually made another video demonstrating the effect of drag of my wing on gas mileage
@@Huntsteven6 it doesn't remain constant if the windows are down which is usually the alternative to A/C.
@@Slevin_Kalevra very true, I could make another video. But if I go driving to make it then the effect of the windows will likely be on a scale comparable to if there is a tailwind or headwind
@@Huntsteven6 yes you are absolutely correct it would be nice to get a data set with all variables but this whole situation is subjective anyway lol. It's all about comfort.
Whens your next fortnite stream?
Wassup
This was a waste of your time pal. Should've been driving to show air drag and the resistance from the tires against the road.
Barry Watson welp, I already did that coach
none of that is true because driving a car and a car at idle are completely different engine conditions ,,so basically you have wasted your time and my time as i had to write this grrrr
Eddie Lloyd you’re actually a moron if that’s the statement you’re making. Go back to school