I don think ice up on the cooling coil will bring any positive effect to the cooling. Freezing will block the fin hence air cannot enter the cooling coil, effectively you are losing cooling capacity of the freezing portion.

Other than Panasonic and Daikin GA which other manufacturer package their non-inverter models with R410a? ME & MHI?

I know Sharp, LG, Electrolux, Midea, Hisense, Samsung don't have as of now. Their non-inverters are still on R22. So who is the "MOST" you talking about here?

Finally changed my bedroom aircon over the weekend to the Panasonic Inverter 1HP aircon.

After the installer left, I only noticed the outdoor unit, the piping wasn't fully insulated.  there was about 5cm of exposed copper pipe and a visible green cable (ground?) from the compressor.

After using the aircon for a while, I notice some dew or water droplets are forming on the exposed copper pipes.

Any impact on the aircon or energy wastage?

Should I call those installer back to fully insulate the exposed part?

Need help.

I have a new house under reno. I bought non inverter Panasonic deluxe R410a 1HP aircond. So when contractor ask me whether its inverter type, I told him no. Then now He is saying the pipe already pull for non inverter type, so cannot use R410a, but he can fill R22 gas to fill into my aircond which is supposed to use R410a.

Can this be done??

Hi sifus, any recommended aircon for my living room? Approx 500sqft and use for 10hrs/week only. Should I get inverter/ non inverter?

yeah the space is quite big cuz I didnt divide the dining room and dry kitchen area...
Can i just get a 2.0hp non inverter? just can install 1 aircon only...

Thanks for the advice. Any nice 2.0hp aircon brand/model you can suggest for me? inverter and non inverter will do the same right?

kimsim, how did you put power socket in your aircon? I wanna hide the cable power.if put outside it will be exposed to rain.

i want something like this neat without cable

how about this?

yes back to back. but why my electrician put power socket near outdoor aircon outside liao? later rain how

Haha.. i do read the manual, but the problem is when i turn off aircon and want to go for work, i usually will switch off and unplug (my habit).. but due to this nanoe stuff, i cannot power off it and have to wait 2hours.. so normally if i see the nanoe turn on when i off, i will restart the aircon and off it again.. the nanoe will off. It seem like nanoe will automatic perform the cleaning after 2 or 3 times of usage

Sensors, electronic parts price are far more lower (can be negligible) than the mechanical parts (cooling coil, condenser fin) in an aircond. Remember, in an electrical appliances, plastic parts (which mostly made by crude oil) and all other mechanical parts (especially aircond which use alot of aluminiums in the construction) material cost are far more higher than the electronic part. In an aircond, the estimated BOM cost for electronic vs non electronic = 10% vs 90%, you weight yourself. But the appearance to the customer will be those 'high tech electronic features', that's why they need to include to impress ppl, in fact, those added features cost is almost negligible, just using 1 or 2 extra sensor and few software algorithm to achieve it, is almost free for them.

From your point of view, they sacrifice some comfort for electricity saving, but from the point of view of Pana, they sacrifice comfort for lower material cost, that's the fact, the electricity saving is just a 'by product' of their cut cost activity. Sorry if it sound offended, but naturally i don't have good impression on Pana product, becos i was a R&D electronic engineer in Pana for 5 years before, cut cost was their philosophy, especially now after they faced a huge deficit in their finance globally in year 2013, cut cost is their 1st priority, cost down or terminate business, and this is part of the reason i left the company.

Yes, all manufacturer nowadays cost cutting, this is what the consumer need to know and understand rather than reject the fact due to alot of fancy features included.

Don't naive to believe those manufacturer will care for your electricity bill. They actually can make it more power saving by introduce a larger surface condenser, cooling coil, use higher grade aluminium fin, more fin per area and so on, rather than using smaller compressor motor.

how about daikin vs mhi vs me?

If the manufacturer doesn't do cost cutting nowadays, it can very soon close down already.

The competition is so stiff out there, a slight difference of RM10 or RM50, we can see the sales volume shift away.

Consumer want cheap item, manufacturer has to give cheap one, it is business.

Now everyone want something save electricity or so called "green", so manufacturer has to give what consumer want, if the manufacturer can't meet the marketing needs, the manufacturer will have hard time to sell the product and survive in business.

Company nowadays need to be business orientated instead of engineering mindset, sadly to say.

A sell at Rm1000
B sell at RM800.

Despite with better quality part used in A, A will find hard to sell its product in a mass volume.

I am in manufacturing line, I know the pain of using premium part that costumer may not appreciate at all.

Bosch washing machines actually quite competitively priced these days. Probably because most of them are Made in China now.