Turn off econavi, dry. I can't remember which my bro turn off but it really make a huge difference.

Only non-inverter air conditioner give powerful airflow.

Inverter model have board that try to maintain the outdoor unit fan running.

Your air conditioner auto off?

that mean the inverter unit use less power than non inverter unit when compressor running at full capacity.....

still confius.....
isn't the inverter is better than non inverter....
u said the inverter using more power when run full power....
the other said not......
             

that mean better install non inverter for living + dining room bcos staircase is open.......
it may waste cooling temp on it.......
the seller said to me like that....

that means the inverter is more reliable than non inverter......
if running less than 8 hours....is it still use less power than non inverter.....

it's more the start/stop nature of the air con motor that differentiate an inverter unit cost savings to non-inverter..

An inverter only functions for starting a electrical motor with lower amps, lower torque and lower losses.. once on full load it has no relevance.. its out of the picture..

but for an aircon unit controlled via thermocouple (temperature sensor) an analogue device, that's where your inverter units gets back saving money matching power input to the load..

a conventional motor will stop/start .. there's no inbetween.. wasting heat during starts every single time..

No such thing of only use more than 8 hours, then only inverter will save power.
Inverter will save power whenever condition permitted for its to run at partial load.

Just inverter cost is more expensive, hence if it is being used little only, then saving of electricity won't be exceeding the extra cost paying to the inverter, hence the myth of 8 hours being created.

Eg. you use 2 hours per day, potential average saving from inverter (which varied depended how it is used) let say
30%.

For 1 HP non-inverter - 0.75KW, 2 hours use 1.5KWH, so 30 days 45 KWH, if tariff is RM0.50/KWH then it consumes RM22.50 per month.

If change to inverter, you save 30%, aka around RM7, whole year, you save RM84, but inverter may cost more than RM300 as compared to non-inverter, hence there are people said, if use inverter for short hour, it doesn't save.

The risk of reliability part of inverter is on the inverter board (that convert AC to DC and control mechanism), which if spoilt can be quite costly.

Inverter is still better than non-inverter in term of efficiency (full /part load) and comfort. The drawback of inverter is the repair cost and the first cost. If you need to choose between 1hp inverter and non-inverter, my suggestion is always go for inverter, since price difference between both is not much. (around RM200)
The energy saving for inverter at full load is still better than non-inverter but the difference is unable to justify for the higher first cost. Means, if you know your AC is going to under size and you expect it run for full load most of the time, also you are not going to use it so often, then go for non-inverter. Especially the price of 2hp inverter is going to be much more expensive (around RM650-700) due to lower demand.
Of course, you can go for inverter to save our earth from global warming or get ready for higher TNB tariff.

There are no way to size one AC to be perfectly accurate in real life, if you under size your AC, then it will always run at full load and unable to cool down the room to your desirable temperature. If you over size your AC then non-inverter AC will keep on start and stop which consume more electricity. Inverter AC will help if you over size the AC, it will tune down it cooling capacity to suit different situation.

I don't know how the newer inverter being designed nowadays, but inverter means AC to DC conversion.

Hence the inverter compressor is a DC motor , even with the full load, the inverter still need to function by converting the incoming supply of AC to DC, so that the motor can run.

We can't by pass the inverter (aka leave the inverter out of picture), and take in incoming AC current to run the motor.

Inappropriate explanation. 

Non-inverter
Aircond start up, run 100%, blowing cold air non-stop until reach the pre-set temperature, then compressor off, until the temperature rise up again. Aka non-inverter work on the basis on and off the compressor which supply the coldness.

Inverter
Aircond start up, run 100%, temperature start to lower down, then it slow down the compressor motor as the "coldness" needed is reduced, the slowing down of motor through the inverter is the key saving feature.

On start up,
both will blow cold air at 100%, little difference between them (set aside the EER, higher BTU of inverter due to higher pressure use)

No such thing of "non-inverter waste electricity during start up", (if we set aside the BTU issue).

You cannot simply confirm about that.

I have yet to get the test specs done by the Energy Commission. Overall I saw non-inverter vs inverter the power saving varies between 30-65%. I have seen several brands for 5* inverter rated 13xx 14xx kwh/year as compared to non-inverter 2-3* 23xx-25xx kwh/year for the 1.0 hp model. To achieve this savings I bet the temp must be set at normal comfortable temp not like super crazy cold 16C

What is the confusion?

Nothing wrong about using the word motor. AC compressor is actually driven by a motor and the motor is the one the consume energy.
Heat wasting... we all learn during high school physic that
"Energy can neither be created nor destroyed; rather, it transforms from one form to another. For instance, chemical energy can be converted to kinetic energy in the explosion of a stick of dynamite. A consequence of the law of conservation of energy is that a perpetual motion machine of the first kind cannot exist." - Conservation of energy.

There are inrush current during every startup non-inverter compressor, the inrush current was not transmit into "cooling" of the AC system but wasted as heat. In fact during energy transformation, most energy wasted as heat.

By the way, your knowledge on AC system also very limited.

Can check the Suruhananjaya Tenaga label.

Read carefully before you quote what I said. I never mentioned that at full load it save more power. What I mentioned is at full load inverter is more efficient (means save more money). Means, it use more power but also gives you more cooling capacity.
Can't believe I'm doing this with you the 3rd times.
Panasonic spec mentioned that the non-inverter full load EER is lower than inverter. (NOW I UNDERSTAND HOW CAN YOU HAVE SO MANY POST IN THIS FORUM)

Next time you you want to quote something from the internet please screen capture and post it up (which you usually won't do that, because that will expose your lies)

[attachmentid=6558649]
[attachmentid=6558650]

You also always never explain in detail. What you usually do is just quote an internet link and ask people to read and understand, but the link either proof you wrong or it end up nothing.

Like you mentioned by logic, cooling a room's temperature down 1degC needs at least 1 hour, do you have proof? Cooling a room down from 30degC to 29degC is much easier than from 20degC to 19degC. You never mentioned the 1hr is based on what room temp.

Panasonic website is very big don't expect people to browse through the whole website, post a link at least.
[attachmentid=6558651]
Above is capture from MHI technical manual. Actually all Japanese brand AC are tested according to JIS-C 9612.
Which should include indoor conditions and outdoor conditions.

I am interested in getting room cold only.

I am renovating another room which is 26 foot x 30 foot.
Putting the aircon lower from ceiling have any bad effect?
Inverter or not because all the new ones comes with R410?
Can recommend any proven aircon to make it cold?

As an AC contractor, some times seeing this guy keep posting misleading info, just can't bare it.

What!?

I dont know if you had one. I just had one installed (1HP premium inverter AR09KVSDB) and it was silent. Compared with my old non inverter Hitachi, it was night and day difference.

Actually I think that you guys should stop attacking each other on the calculation and work towards the better of the community.

I think that most manufacturers figures are tests done in controlled environment with preset temperature which may be different from what you are using, and most probably something that you find hard to achieve in real world situation. There are so many things that become variables when it comes to real world application.

Basically an inverter saves energy in the long run compared to non inverter when you run them as per manufacturer's recommendation. How much saving probably is the biggest variable since they are a number of aspects that may influence the actual savings achieved.

The Samsung air cond that I installed last week had temperature and usage meter. At first, I kept monitoring it to see if it really save a lot of energy. Honestly it really didnt change much between 26C to 27C and 28C. There are differences, no doubt, but not really that much to cause you concern. Therefore, just enjoy the air cond and worry less about the energy consumption.