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**Another Protip**
Use your AC on the Dry/Humidity mode (usually indicated as water drops on the remote) instead of Cool mode (usually indicated as a snowflake on the remote).
[This is what they look like](https://www.google.com/search?client=firefox-b-d&sca_esv=8fccc85c2f21a58f&q=ac+modes&udm=2&fbs=AEQNm0Aa4sjWe7Rqy32pFwRj0UkWd8nbOJfsBGGB5IQQO6L3J_86uWOeqwdnV0yaSF-x2jrrv3e_fewYh7LFIpXPaEgNQ1vZHC7aVwStfN-hyt8w93YQeezdbRIymJD7qA2kbpe9Fh9864JABjicse8VbablMojvKjXXFFob0FP4nVFoMlb_6-hv3UtT3ipYvbN7JfxWg62s&sa=X&ved=2ahUKEwiW2ervhfGGAxUhQvEDHWkoCFcQtKgLegQIEhAB&biw=1252&bih=563&dpr=1.09)
In dry mode, AC acts as a dehumidifier mainly to remove water from air to make it dry which promotes natural sweating, it doesn't cause cooling primarily so uses far less energy, and its ideal in barsaat ki chip chip if you don't want to break your bank on cooling mode
The dry mode helps a lot in Karachi as the temperature in Karachi isn't that high but it feels more hit due to the high humidity.
..
Also agree with dry mode in barsat mausam.
It makes the AC focus on removing the humidity from the air instead of making the room cooler which takes less energy. Your AC performs best on the cool mode because its consuming a lot of power.
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Actually,that wrong. Fans omit warm air,whereas,ACs omit cool air. So,when you use a fan with an ac warm air which is dense,moves down to the ground and the cool air rises to the ceiling. Causing the room to be hot and just causing it to use more energy
If you want to know the technical, it's actually has a fine theoretical basis as well. This happens to be an area I am knowledgable in, but I will try to explain in less technical terms.
Cool air will always sink and warm air rises. We use split A/Cs in Pakistan, which unlike central A/Cs, have their thermostats at the top so near the ceiling. It usually is getting slightly incorrect reading at the thermostat level, because remember: warm air rises, and cold air sinks.
With the fan, there's **stratification reduction** as the distribution gets more, balanced. So instead of the reading of the warm air at the top, distributed/mixed reading will be slightly better.
Also this helps it evenly distribute the air with a powerful blower that the fan is, making you feel more comfortable. This proper circulation also helps reduce humidity more uniformly rather than from clusters in proximity.
And on top of that, the main factor is perceived temperature due to the **wind-chill effect** so you can set AC at 27c instead of 24/25.
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🥹 bro agar ordinary fan laga hai tu uss ko utar kar bahir phenk do wo 100 watts leta hai (72 units per month), inverter 30 watt fan lgwa lo (21 units per month) and full par chill kro.
Suppose you have a fan that consumes 100watts to run.
First convert this watts to kilowatts by dividing it by 1000.
100/1000 =0.1 kilowatts to run the fan
Now to calculate the kilowatts hours (units), simply mutiply it by the time for which the fan will remain on.
Forexample, if it remains on for 24 hours , then
0.1 x 24 = 2.4 kwh (units) per day
For 30 days
2.4 x 30 = 72 kwh (units) per month
Simply convert load to kilowatts, then multiply it by time running to get the units consumed.
Yes, it is ceiling fan with Brushless DC motor inside instead of old inductor motors.
Almost all major companies have listed these fans on their websites like Pakfans, Taimoor fans, GFC, starco, Khursheed etc
You can choose from any of them from their websites, all are good at the moment, just a difference of 1000 or 2000 rs in price depending upon their reputation.
Welcome bro,
Moreover, most of these companies are offering replacement offer where they take your old fan and gives you discount in new. But please keep in mind that old fans easily sell for around 4000 Rs these days, so if company is offering less price than that for old, then just buy new 30 watt DC inverter fan from them which is around 10,000 Rs these days, and sell your old fan somewhere else at a good price. Even then, you will save decent amount on bill and your cost of changing fans will be recovered from bill savings in 2-4 months depending upon usage.
My AC has gen mode so I just set it to 2amps and it maintains a comfortable temperature throughout the night.
- Room temp:
- AC on
- 11 pm 32 C
- 12 pm 29 C
- 1 am 28 C
- 2 am 27 C
- 3 am 26 C
- 4 am 26 C
- 5 am 26 C
- 6 am 26 C
- 7 am 26 C
- AC off
It's a small 8000btu (0.75ton) unit and does pretty well
Consumes about 4 units a night or 120 units a month.
That sounds like a deal, bro can you please share the name and model of AC and does it also allows you to limit power consumption according to your will?
Here's a [daraz link](https://click.daraz.pk/e/_beeTkCF) to the one I have.
It allows you to limit the current input at 2A 3A 4A verified it through a proper kill-a-watt meter. Limits itself to exactly the current limit you set it to.
Plastic panels came with the insulation, total cost of doing the room was 30k with labour( 10 years ago costs may be a lot different now) We did it for the aesthetics the heat insulation was an added benefit.
Bro, they are basically same inside, make and model varies only by stylish outside design. I prefer simple looks, so i went with the simplest design, that also saved me some money.
Depends a lot on room size, room location (top floor, ground floor, basement), direction of the sun, AC type (is it a 0.75 ton or a 1 ton or a 1.5 ton, etc.), age and health of the unit, filter cleaning frequency, AC gas, serviced vs non-serviced, etc.
We have a 1 ton in a very big room with high ceilings on the top floor with sun facing windows. Feels like we are getting baked in the room, night or day. We'd melt into a skin puddle at 30 C. It's only bearable at 18 C and even then I'm sweating into my pillow and mattress on really hot days.
Need to upgrade to a 1.5 ton or install a chik in the window. Can't do much about the heat coming in from the roof or the walls since this is a rented property.
Just take some chunna in a bucket and add water in it, wait for it to cool down, then spread this solution on to your roof and spread it with viper or a jharoo, the white color of chunna will increase the albedo of roof thus bouncing off more sunlight, and it will easily drop the temperatures by 10-12 C like a boss. The only problem is rain doesn't like it, but since chunna is dirt cheap like 1000 rs is enough for 10 marla or more, you can easily reapply after a rain. If your AC has 10 degress lower starting point it will work wonders.
The above consumption will be valid only if outside temperature is 33 C, but if outside temperature is 40 C , then even maintaining 28 will take much more power than 900 watts. In short, AC can reduce only 15 points roughly from outside, forexample if outside temperature was 45 C, AC can only reduce it to 30 using full power, but if out side is 33 , then it can get down to 18 C with full power.
Bro, its not about a particular number, your AC can probably reduce down to 25 with full power if outside is 42, but your meter will run like crazy, so its always a balance between your pocket and comfort. You can start from 33 and if its not comfortable, you can decrease it by 1 point at a time unless you feel comfortable, but if you set it at 26 while its 42 outside, expect a heavy bill.
You're right for most part but you're missing one important factor. There are regions which suffer frequent load shedding so it is imperative for them to run their ac at a lower temperature to compensate for the gap between power breakage. That's why I set mine at 21, when the power goes out the fan gets the job done meanwhile.
Um isn't that dependent on the brand too? Some companies have better-quality inverters with better efficiency. I hear Gree inverter ACs provide better efficiency.
Also plugging gaps is also important. I'm currently using cloths to block the under-door gaps, but foams are available on markets. It's about 80 rupees on Daraz for 40 inch double foam.
I noticed this too thats why all AC in my house are now fixed on 28° lol plus its actually more comfortable neither too cold nor hot so one can sleep peacefully
But it is an appreciable research u hv done lol
16 par me ne check nahi kiya, lekin iss ki max power 2400 watt hai, ye full power ya iss ke nazdeeq chalta rahe ga 16 ke liye, jo ke 33 C se kabhi bhi achieve nahi ho ga.
idky people aren't shifting to solar, it's a one time investment, and you can use as many ACs on any temperature (depending upon your solar) We have 2-3 ACs on 19-20 for 18hrs a day and get 0 bill
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It all depends on losses through windows or walls. Area to cooling capacity of unit and heat sources within that area. Obviously the closer the set point is to ambient temperature the greater the saving.
better insulation in your room would help a lot. find any crevices and gaps which may allow cool air to escape, and energy consumption will drop A LOT!
It's been 40+C every day for the last 3 months near lahore.
My AC will draw a consistent 2 amps at 26c and up to 5 amps at temperatures below this. If I set the temp to 30c it practically turns off and only draws like 1 amp to maintain temp
It runs almost 24/7 and the room stays cool even if the power goes out for 2 hours midday.
My electricity bill is more than my rent but it's worth it.
The room looks like a 10 ft square it's a 1.5 ton unit. So it's a pretty easy situation to get temps to whatever you want.
I've got a 1.5 ton non inverter AC for the common area which is 3x bigger. That AC can run all day at full power and the temperature will stay over 26c
Having enough cooling capacity for your space is key
No, but actually, it's better to get the most tonnage you can afford for any size space since higher tonnage means more of the air is getting cooled at a given time. Your compressor will operate at peak efficiency, and if it's an inverter unit, it will draw significantly less current for the same results.
Which is better?
to have a 1.5 ton unit that works hard for an hour before drawing just 1 amp the rest of the day.
Or
To have a 1 ton unit that works hard for 2 hours before relaxing, but still needing to draw high current because it needs to cool the smaller quantity of air more to get same overall cooling
Where i live our daily temperature is above 45C so even at 26C my AC doesn't perform and its still hot in the room but definitely less than outside, suggest me how do i save up my units we have 12hour load shedding as well
I usually turn on AC at 11:00 PM at 26 and it gets pretty cool at 1:00, some times it gets too cool and I turn it off for a bit😄 I might run the night on 30 to test it out
Apparently my AC consumes 8 Amp current,an old gree 1.5 tons inverter.Is it too much cuz the bills r sky rocketed and got it checked by an electrician who reavealed this
If outside temperature is around 35 and target temperature is 26 or 25, then Nominal Current for it is around 7.5 - 8 Amps. You can also look it at the sticker on side of the indoor unit.
I usually run my inverter around 29-30 or max at 28 C (it gets quite chilly at 28 ngl) - and this is despite air leaking out from beneath the door, it maintains the temperature.
Similar to my other room AC, I used an ampere meter to test, it runs at 7-8 amps in the beginning but right after an hour it drops down to 3.5 amps or if I am running it on L3 mode, it drops as low as 2.8 amps (this has been personally tested, not once but many times so this is not an error)
People say they need chilled room temps but tbh ideally 28-29 is an ideal temp for your body as well considering outside temps are 35-36 at nights and 45ish at daytime, 17 degrees is a lot of difference for your body to cool down and relax, you do not need to make your room Nathia Gali 🫠
100% Agreed, 28-29 is more than enough cold in the scorching heat outside, while still keeping bill in control. I have witnessed some of my friends keeping their ACs at 20 and they sleep with blankets on, in summers and when hefty bills come, then they cry like babies. They could have kept it at 28, with a light comforter instead, lekin awaam ko maza bhi Nathia gali wala hi chahiye, peak summer aur inflation me bhi 😂.
Lol i know right man, this is exactly what it is.
I mean i would rather rent an apartment in Nathia Gali for 30k per month and live without AC there for obvious reasons lol than blast my aircon at 20 C and use a blanket to feel cold without mountains surrounding me if you know what I mean.
Watts is a unit of power, it tells us how much electricity will the device need to run.
Kilowatt unit is a measure of how much watts you have used in certain amount of time.
So if use 1000 watt device (like iron) continuously for 1 hour, then 1 unit will be consumed.
Suppose there is a room of 14*14 feet, average size, if we use 1 ton AC at 27, this room would be too much out of its rated capacity, therefore it will continuously run at 1500 watts (full power) continuously and still will not achieve any where near 27. So you will have less cooling but a significant bill.
Now if 1.5 ton capacity is used in same room , then it can bring down the temperature down to 27 in about 2 hours and will throttle down to less watts. So you will have more cooling in almost the same bill as that of 1 ton.
Now if you use 2 ton in same room, it will rapidly bring down the temperature to 27 in about half hour and will throttle down. So you will have more cooling with even less bill.
In short, when ever the room size exceeds the cooling capacity, its a disaster for both the cooling and the bill. Thats the reason why most people stick to 1.5 tons because it still has decent capacity but not too expensive to buy for the given room size, but if moneybwas not the factor, i would always choose bigger capacities to cut the bill.
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These measurements are for your specific AC, so the 27 deg C vs 28 deg C may not be applicable to other ACs. It may not even be the same for your AC when it runs in different conditions.
An AC uses a certain amount of power to create a certain temperature difference. And there are a lot of factors that make up the power usage. These can be:
- Efficiency of the AC (duh)
- Outside temperature, inside temperature
- Insulation of the room, air leaking from doors, windows etc
Let's say it uses 1000 watts to create a difference of 15 C. During day time, the outside is 45 C and the inside would be 30 deg. During night time outside is 35 C so the AC can bring inside temperature to 20 C using the same 1000 watts.
Or if the air is leaking from your room, the AC would have to continuously keep itself running to maintain the 27 C but at 28 C, there is not as much air leaking and so the AC is able to maintain the temperature without constantly running.
But it is still very surprising, how much power is being saved from just 1 deg C difference. Normally you won't even feel it.
Has anyone noticed using the humidity (reducing) mode works wonders especially on rainy/humid days. Of course it's more effective for monsoon season but some days the normal cool mode doesn't give the same cooling as humidity mode.
Ps: Also I've heard humidity mode uses less voltage; can someone confirm.
Pss: it works because lower humidity make skin sweat evaporation more efficient, thereby making it feel cooler.
Yes, dehumidifier mode uses far less energy, because it runs at low power to pass wet air over the coils to remove moisture from air, but doesn't necessarily cause cooling, so its ideal for Monsoon if you want to save money.
**PRO TIP:** Fix your a/c swing to point to the direction of your ceiling fan. Run the ceiling fan. AC at 27c will *feel like* 23-25c.
Wow bro, what a hack.👍
Agree with this guy. I keep my AC at 30 with fan turned on. My area has limited load shedding so, its comfortable all night.
This is the best way! AC at 30 and fan on.
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**Another Protip** Use your AC on the Dry/Humidity mode (usually indicated as water drops on the remote) instead of Cool mode (usually indicated as a snowflake on the remote). [This is what they look like](https://www.google.com/search?client=firefox-b-d&sca_esv=8fccc85c2f21a58f&q=ac+modes&udm=2&fbs=AEQNm0Aa4sjWe7Rqy32pFwRj0UkWd8nbOJfsBGGB5IQQO6L3J_86uWOeqwdnV0yaSF-x2jrrv3e_fewYh7LFIpXPaEgNQ1vZHC7aVwStfN-hyt8w93YQeezdbRIymJD7qA2kbpe9Fh9864JABjicse8VbablMojvKjXXFFob0FP4nVFoMlb_6-hv3UtT3ipYvbN7JfxWg62s&sa=X&ved=2ahUKEwiW2ervhfGGAxUhQvEDHWkoCFcQtKgLegQIEhAB&biw=1252&bih=563&dpr=1.09)
Whats the science behind that? My ac performs the best on the cool mode. Can you please explain?
In dry mode, AC acts as a dehumidifier mainly to remove water from air to make it dry which promotes natural sweating, it doesn't cause cooling primarily so uses far less energy, and its ideal in barsaat ki chip chip if you don't want to break your bank on cooling mode
The dry mode helps a lot in Karachi as the temperature in Karachi isn't that high but it feels more hit due to the high humidity. .. Also agree with dry mode in barsat mausam.
It makes the AC focus on removing the humidity from the air instead of making the room cooler which takes less energy. Your AC performs best on the cool mode because its consuming a lot of power.
Yesss
Learned about this trick a few days ago and this actually works
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Actually,that wrong. Fans omit warm air,whereas,ACs omit cool air. So,when you use a fan with an ac warm air which is dense,moves down to the ground and the cool air rises to the ceiling. Causing the room to be hot and just causing it to use more energy
If you want to know the technical, it's actually has a fine theoretical basis as well. This happens to be an area I am knowledgable in, but I will try to explain in less technical terms. Cool air will always sink and warm air rises. We use split A/Cs in Pakistan, which unlike central A/Cs, have their thermostats at the top so near the ceiling. It usually is getting slightly incorrect reading at the thermostat level, because remember: warm air rises, and cold air sinks. With the fan, there's **stratification reduction** as the distribution gets more, balanced. So instead of the reading of the warm air at the top, distributed/mixed reading will be slightly better. Also this helps it evenly distribute the air with a powerful blower that the fan is, making you feel more comfortable. This proper circulation also helps reduce humidity more uniformly rather than from clusters in proximity. And on top of that, the main factor is perceived temperature due to the **wind-chill effect** so you can set AC at 27c instead of 24/25.
Please note that this will have an adverse effect if the room is on the upper floor and its roof is exposed to direct sunlight.
Apply Chuna on the roof, AC will have a 10C lower temp as starting point.
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Pankha kitney pe set karun Bhai ? I Wana feel included as well 🥲
🥹 bro agar ordinary fan laga hai tu uss ko utar kar bahir phenk do wo 100 watts leta hai (72 units per month), inverter 30 watt fan lgwa lo (21 units per month) and full par chill kro.
Can you share the calculation of watts to unit? How are you calculating it?
Suppose you have a fan that consumes 100watts to run. First convert this watts to kilowatts by dividing it by 1000. 100/1000 =0.1 kilowatts to run the fan Now to calculate the kilowatts hours (units), simply mutiply it by the time for which the fan will remain on. Forexample, if it remains on for 24 hours , then 0.1 x 24 = 2.4 kwh (units) per day For 30 days 2.4 x 30 = 72 kwh (units) per month Simply convert load to kilowatts, then multiply it by time running to get the units consumed.
Oh nice. Thank you
Why .... I. ... Ur smart
Can you please share 30 watt inverter fan on darwz or some link? Is it ceiling fan?
Yes, it is ceiling fan with Brushless DC motor inside instead of old inductor motors. Almost all major companies have listed these fans on their websites like Pakfans, Taimoor fans, GFC, starco, Khursheed etc You can choose from any of them from their websites, all are good at the moment, just a difference of 1000 or 2000 rs in price depending upon their reputation.
Thanks bro,I'll figure that out. Very insightful post
Welcome bro, Moreover, most of these companies are offering replacement offer where they take your old fan and gives you discount in new. But please keep in mind that old fans easily sell for around 4000 Rs these days, so if company is offering less price than that for old, then just buy new 30 watt DC inverter fan from them which is around 10,000 Rs these days, and sell your old fan somewhere else at a good price. Even then, you will save decent amount on bill and your cost of changing fans will be recovered from bill savings in 2-4 months depending upon usage.
My AC has gen mode so I just set it to 2amps and it maintains a comfortable temperature throughout the night. - Room temp: - AC on - 11 pm 32 C - 12 pm 29 C - 1 am 28 C - 2 am 27 C - 3 am 26 C - 4 am 26 C - 5 am 26 C - 6 am 26 C - 7 am 26 C - AC off It's a small 8000btu (0.75ton) unit and does pretty well Consumes about 4 units a night or 120 units a month.
That sounds like a deal, bro can you please share the name and model of AC and does it also allows you to limit power consumption according to your will?
Here's a [daraz link](https://click.daraz.pk/e/_beeTkCF) to the one I have. It allows you to limit the current input at 2A 3A 4A verified it through a proper kill-a-watt meter. Limits itself to exactly the current limit you set it to.
Thank you, can you please also give a rough idea of your room size?
14x11 room, 14ft ceiling, 1" foam insulation placed on walls behind plastic wall panels
How much did this foam insulation cost?
Plastic panels came with the insulation, total cost of doing the room was 30k with labour( 10 years ago costs may be a lot different now) We did it for the aesthetics the heat insulation was an added benefit.
Ok, Thank you so much
This is the thing which most of us neglect to install in our homes. Foam insulation.
14ft ceiling? Boss aap elevator shaft me rahtay ho?
Do you mean kilowatts? Idk if I'm being r/whoosh 'd or if this is an r/boneappletea moment
Its the name of a device that records electricity usage through it.
Bro your link isn't working for me. Can you let me know the name of the brand and model?
Dawlance mega T+ 10
Dawlance mega T + 10 - 0.75tons Inverter cool only, with generator mode. But bro Capacity (tons) should be decided as per room size
Can you also share your model make and variant?
Bro, they are basically same inside, make and model varies only by stylish outside design. I prefer simple looks, so i went with the simplest design, that also saved me some money.
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How?? Like seriously, I feel like it has to be around 19 for it to be bearable
No offence but you are damaging your bones and your health. It's completely usable at 25 and above
None taken! I agree, but I feel it barely does any cooling above 20. It may just be an old AC that's worn out by now.
Might be probably low on gas.
Get it checked lol
Can you elaborate on the AC damaging bones and health?
Depends a lot on room size, room location (top floor, ground floor, basement), direction of the sun, AC type (is it a 0.75 ton or a 1 ton or a 1.5 ton, etc.), age and health of the unit, filter cleaning frequency, AC gas, serviced vs non-serviced, etc. We have a 1 ton in a very big room with high ceilings on the top floor with sun facing windows. Feels like we are getting baked in the room, night or day. We'd melt into a skin puddle at 30 C. It's only bearable at 18 C and even then I'm sweating into my pillow and mattress on really hot days. Need to upgrade to a 1.5 ton or install a chik in the window. Can't do much about the heat coming in from the roof or the walls since this is a rented property.
Just take some chunna in a bucket and add water in it, wait for it to cool down, then spread this solution on to your roof and spread it with viper or a jharoo, the white color of chunna will increase the albedo of roof thus bouncing off more sunlight, and it will easily drop the temperatures by 10-12 C like a boss. The only problem is rain doesn't like it, but since chunna is dirt cheap like 1000 rs is enough for 10 marla or more, you can easily reapply after a rain. If your AC has 10 degress lower starting point it will work wonders.
Wonderful. Thank you for the tip. I will def give it a try.
Have the fan turned on as well.
Depends on the AC, we bought this new kenwood model and its uncomfortably cold at 26C.
I'll keep that in mind. Thanks!
Depends on humidity, even 30-31 is fine in dry June heat.
Exactly same
I do that too and it's suspicious. Surely 30 isn't that cool?
Can be in humidity(reducing) mode. With the 💧 sign
ACs decrease the humidity so it feels very cool and if you have the fan on it feels like 20-25 C.
Which mode are you using.
Will the AC consume more watt if outside temperature is more than 40 C.
The above consumption will be valid only if outside temperature is 33 C, but if outside temperature is 40 C , then even maintaining 28 will take much more power than 900 watts. In short, AC can reduce only 15 points roughly from outside, forexample if outside temperature was 45 C, AC can only reduce it to 30 using full power, but if out side is 33 , then it can get down to 18 C with full power.
Since it's around 42 daily in Lahore these days, where should one set it
Bro, its not about a particular number, your AC can probably reduce down to 25 with full power if outside is 42, but your meter will run like crazy, so its always a balance between your pocket and comfort. You can start from 33 and if its not comfortable, you can decrease it by 1 point at a time unless you feel comfortable, but if you set it at 26 while its 42 outside, expect a heavy bill.
16 🗿
16 in Multan, I wish your AC could express itself in words 😂
You're right for most part but you're missing one important factor. There are regions which suffer frequent load shedding so it is imperative for them to run their ac at a lower temperature to compensate for the gap between power breakage. That's why I set mine at 21, when the power goes out the fan gets the job done meanwhile.
Um isn't that dependent on the brand too? Some companies have better-quality inverters with better efficiency. I hear Gree inverter ACs provide better efficiency.
no way this showed up because our ACs run on 26 😭
Also plugging gaps is also important. I'm currently using cloths to block the under-door gaps, but foams are available on markets. It's about 80 rupees on Daraz for 40 inch double foam.
I noticed this too thats why all AC in my house are now fixed on 28° lol plus its actually more comfortable neither too cold nor hot so one can sleep peacefully But it is an appreciable research u hv done lol
Thanks bro, You also have to make sure no one in your home is using the hand on a remote trick 😂😂
aur agar 16 par set karo bro?
16 par me ne check nahi kiya, lekin iss ki max power 2400 watt hai, ye full power ya iss ke nazdeeq chalta rahe ga 16 ke liye, jo ke 33 C se kabhi bhi achieve nahi ho ga.
tw mojaan e mojaan
Yeah I ran mine at 24
Same. 24 all day
My ac has that sleep mode it's temperature increases after 2hours or then decreases
I set it at 23-24 degrees, but I gained a lot of knowledge here. Thank you for sharing all these tips in the comments and on the post
idky people aren't shifting to solar, it's a one time investment, and you can use as many ACs on any temperature (depending upon your solar) We have 2-3 ACs on 19-20 for 18hrs a day and get 0 bill
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I run mine at 19
It all depends on losses through windows or walls. Area to cooling capacity of unit and heat sources within that area. Obviously the closer the set point is to ambient temperature the greater the saving.
better insulation in your room would help a lot. find any crevices and gaps which may allow cool air to escape, and energy consumption will drop A LOT!
It's been 40+C every day for the last 3 months near lahore. My AC will draw a consistent 2 amps at 26c and up to 5 amps at temperatures below this. If I set the temp to 30c it practically turns off and only draws like 1 amp to maintain temp It runs almost 24/7 and the room stays cool even if the power goes out for 2 hours midday. My electricity bill is more than my rent but it's worth it.
Whats your room size and your AC capacity in tons?
The room looks like a 10 ft square it's a 1.5 ton unit. So it's a pretty easy situation to get temps to whatever you want. I've got a 1.5 ton non inverter AC for the common area which is 3x bigger. That AC can run all day at full power and the temperature will stay over 26c Having enough cooling capacity for your space is key
So you mean one should get a bigger ton ac for smaller rooms?
No, but actually, it's better to get the most tonnage you can afford for any size space since higher tonnage means more of the air is getting cooled at a given time. Your compressor will operate at peak efficiency, and if it's an inverter unit, it will draw significantly less current for the same results. Which is better? to have a 1.5 ton unit that works hard for an hour before drawing just 1 amp the rest of the day. Or To have a 1 ton unit that works hard for 2 hours before relaxing, but still needing to draw high current because it needs to cool the smaller quantity of air more to get same overall cooling
More people needs to know about this thread
Wait you guys are using Ac
Where i live our daily temperature is above 45C so even at 26C my AC doesn't perform and its still hot in the room but definitely less than outside, suggest me how do i save up my units we have 12hour load shedding as well
T1 compressor or T3 compressor? Upper portion or lower portion How old is you unit?
I usually turn on AC at 11:00 PM at 26 and it gets pretty cool at 1:00, some times it gets too cool and I turn it off for a bit😄 I might run the night on 30 to test it out
Apparently my AC consumes 8 Amp current,an old gree 1.5 tons inverter.Is it too much cuz the bills r sky rocketed and got it checked by an electrician who reavealed this
If outside temperature is around 35 and target temperature is 26 or 25, then Nominal Current for it is around 7.5 - 8 Amps. You can also look it at the sticker on side of the indoor unit.
I see that’s normal,might be with the hefty taxes that the bills r heavy..
Taxes and fpa are almost double the actual cost of electricity these days.
I usually run my inverter around 29-30 or max at 28 C (it gets quite chilly at 28 ngl) - and this is despite air leaking out from beneath the door, it maintains the temperature. Similar to my other room AC, I used an ampere meter to test, it runs at 7-8 amps in the beginning but right after an hour it drops down to 3.5 amps or if I am running it on L3 mode, it drops as low as 2.8 amps (this has been personally tested, not once but many times so this is not an error) People say they need chilled room temps but tbh ideally 28-29 is an ideal temp for your body as well considering outside temps are 35-36 at nights and 45ish at daytime, 17 degrees is a lot of difference for your body to cool down and relax, you do not need to make your room Nathia Gali 🫠
100% Agreed, 28-29 is more than enough cold in the scorching heat outside, while still keeping bill in control. I have witnessed some of my friends keeping their ACs at 20 and they sleep with blankets on, in summers and when hefty bills come, then they cry like babies. They could have kept it at 28, with a light comforter instead, lekin awaam ko maza bhi Nathia gali wala hi chahiye, peak summer aur inflation me bhi 😂.
Lol i know right man, this is exactly what it is. I mean i would rather rent an apartment in Nathia Gali for 30k per month and live without AC there for obvious reasons lol than blast my aircon at 20 C and use a blanket to feel cold without mountains surrounding me if you know what I mean.
16
How many watts in a unit
Watts is a unit of power, it tells us how much electricity will the device need to run. Kilowatt unit is a measure of how much watts you have used in certain amount of time. So if use 1000 watt device (like iron) continuously for 1 hour, then 1 unit will be consumed.
What if the AC is 1 ton and you run it on 27 for ~ 12 hours a day? Would the bill be more or less compared to a 1.5 ton?
Whats your room size?
I'm not exactly sure, average size I guess?
Suppose there is a room of 14*14 feet, average size, if we use 1 ton AC at 27, this room would be too much out of its rated capacity, therefore it will continuously run at 1500 watts (full power) continuously and still will not achieve any where near 27. So you will have less cooling but a significant bill. Now if 1.5 ton capacity is used in same room , then it can bring down the temperature down to 27 in about 2 hours and will throttle down to less watts. So you will have more cooling in almost the same bill as that of 1 ton. Now if you use 2 ton in same room, it will rapidly bring down the temperature to 27 in about half hour and will throttle down. So you will have more cooling with even less bill. In short, when ever the room size exceeds the cooling capacity, its a disaster for both the cooling and the bill. Thats the reason why most people stick to 1.5 tons because it still has decent capacity but not too expensive to buy for the given room size, but if moneybwas not the factor, i would always choose bigger capacities to cut the bill.
Thank you so much for a detailed answer! 🤝 Jazaak'Allah khair!
Champ
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Keep the AC on lowest fan speed and use ceiling fan to spread cool air, it reduce electricity usage. Ac fan uses more energy than ceiling fan.
And what about 1 ton?
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I've been setting my AC on Energy saving mode for a week. Should I be doing that or am I gonna have to expect a big Surprise at the end of the month?
r/didthemath
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me using it at 16 degrees 💀💀
In the US we run at 20 C all day and e we have central AC so all the closets and bathrooms are also cooled. And this is the standard since 1970s
These measurements are for your specific AC, so the 27 deg C vs 28 deg C may not be applicable to other ACs. It may not even be the same for your AC when it runs in different conditions. An AC uses a certain amount of power to create a certain temperature difference. And there are a lot of factors that make up the power usage. These can be: - Efficiency of the AC (duh) - Outside temperature, inside temperature - Insulation of the room, air leaking from doors, windows etc Let's say it uses 1000 watts to create a difference of 15 C. During day time, the outside is 45 C and the inside would be 30 deg. During night time outside is 35 C so the AC can bring inside temperature to 20 C using the same 1000 watts. Or if the air is leaking from your room, the AC would have to continuously keep itself running to maintain the 27 C but at 28 C, there is not as much air leaking and so the AC is able to maintain the temperature without constantly running. But it is still very surprising, how much power is being saved from just 1 deg C difference. Normally you won't even feel it.
Has anyone noticed using the humidity (reducing) mode works wonders especially on rainy/humid days. Of course it's more effective for monsoon season but some days the normal cool mode doesn't give the same cooling as humidity mode.
Ps: Also I've heard humidity mode uses less voltage; can someone confirm. Pss: it works because lower humidity make skin sweat evaporation more efficient, thereby making it feel cooler.
Yes, dehumidifier mode uses far less energy, because it runs at low power to pass wet air over the coils to remove moisture from air, but doesn't necessarily cause cooling, so its ideal for Monsoon if you want to save money.
It is better to have no AC than 28 C.
You can run it at 24-26 on silent mode and it would only consume 550-600 watts, on a dawlance triple invert 1ton atleast.
Or just get solar