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  1. #1
    Thailand Expat jandajoy's Avatar
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    What's the best A/C

    The bedroom is 6m x 6m and 3m high.

    The ceiling is insulate3d with 8 cm foil lined green stuff.

    The walls are wood external but have been lined with plaster board/gyp rock stuff and painted.

    Wooden floor.

    I reckon a 12,000 BTU split system should do it.

    All comments read.

    cheers

  2. #2
    Days Work Done! Norton's Avatar
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    Quote Originally Posted by jandajoy
    The walls are wood external but have been lined with plaster board/gyp rock stuff and painted.
    Insulated?

  3. #3
    Thailand Expat jandajoy's Avatar
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    Quote Originally Posted by Norton
    Insulated?
    Nope.

  4. #4
    Thailand Expat superman's Avatar
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    Our bedroom is 6x5 and A/C is 1300 BTU. It's adequate. The bigger the better in my opinion.

  5. #5
    Thailand Expat jandajoy's Avatar
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    Quote Originally Posted by superman
    The bigger the better in my opinion.

    There's quite an argument against that.


    http://teakdoor.com/view.php?pg=thai...r_conditioning

  6. #6
    Thailand Expat superman's Avatar
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    Perhaps this will assist.
    Air Conditioner Sizing Calculator

  7. #7
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    benbaaa's Avatar
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    My bedroom's about 4m by 6m. It's 2.5m floor to ceiling, and there's no insulation above the plasterboard. Brick walls with plaster and rendering. Concrete floor with tiles. I've got a Mitsubishi Mr Slim (12,266 BTU) and it does the job just fine.

  8. #8
    Thailand Expat superman's Avatar
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    I worked out the KW needed for your room Janajoy according to my link and it says 4.91kw. That converted to BTU's is alot. But I was never good at sums.
    Convert BTU to kW - British thermal units conversion to kilowatts

  9. #9
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    12k to 15k BTU will be fine.

  10. #10
    Days Work Done! Norton's Avatar
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    Quote Originally Posted by superman
    4.91kw
    16,764 btu. More than he needs.

    I would go for 15k btu.

  11. #11
    Thailand Expat jandajoy's Avatar
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    Quote Originally Posted by Norton
    I would go for 15k btu.
    Makes sense. Cheers.

  12. #12
    Thailand Expat jandajoy's Avatar
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    Quote Originally Posted by benbaaa
    I've got a Mitsubishi Mr Slim (12,266 BTU) and it does the job just fine.

    This might do the job. Cheers.

    Is it the silent one?

  13. #13
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    I would go for 12,000 BTU Mitsubishi, get an "Inverter" type, more expensive initially but will pay back quickly as far cheaper to run.

    Advantages:- (they reckon!)

    At least 30% - 50% cheaper to run as it consumes less power
    Far quicker to achieve desired temperature
    The start up time is reduced by 30%
    Much quieter
    No temperature fluctuations, maximising comfort level
    No voltage peaks from compressor.

  14. #14
    Days Work Done! Norton's Avatar
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    Quote Originally Posted by Airportwo
    12,000 BTU Mitsubishi, get an "Inverter" type
    A good suggestion. Must keep in mind his walls are not insulated so moving to around 15k btu better.

  15. #15
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    the inverter type are a waste of money unless you will be using it a lot

    they save some power but it can take years for payback

    I have just had a Daikin 18K BThu fitted for a room about that size


    Quote Originally Posted by Airportwo
    At least 30% - 50% cheaper to run as it consumes less power Far quicker to achieve desired temperature The start up time is reduced by 30% Much quieter No temperature fluctuations, maximising comfort level No voltage peaks from compressor.
    maybe 15% cheaper to run, but only when on the low speed compressor cycle

    they may achieve the required temp quicker if on the high speed cycle

    start up time...10 seconds to 7?

    a little quieter but not all the time, but the new aircons are all quiet anyway

    temp fluctuations are reduced
    Last edited by DrAndy; 06-04-2011 at 10:16 PM.
    I have reported your post

  16. #16
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    Quote Originally Posted by DrAndy
    the inverter type are a waste of money unless you will be using it a lot
    I would suspect the most used air con in anyones house is in the bedroom?

    Quote Originally Posted by DrAndy
    maybe 15% cheaper to run, but only when on the low speed compressor cycle
    Which it does automatically, when it reaches preset tempreture! where do you get the 15% from? not from experience if you dont have one and dont like them? I would guesstimate mine save around 25%, plus a longer compressor life as it is not in and out all the time!

    Quote Originally Posted by DrAndy
    a little quieter but not all the time, but the new aircons are all quiet anyway
    Mines quieter ALL the time

  17. #17
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    Marmite the Dog's Avatar
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    Quote Originally Posted by Airportwo
    Mines quieter ALL the time
    So is mine and it's not an inverter as far as I'm aware. Bloody expensive though.

  18. #18
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    I've got 12k in 4x4.
    Mr Slim, bit noisy I thought, but bloody Arctic.

  19. #19
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    My Mr Slim's a regular one 'cos nobody in Siam TV could explain how an inverter model would be any better or different.

    "What's an inverter?"
    "Uh, have inverter, yes."
    "OK, but what is an inverter?"
    "Yes, inverter very good."
    "I'll take the regular one, thanks."
    "You no want inverter?"
    "You got it. Well done."

    Anyway, it's quiet and cool. What else is there? Oh, yeah, cost about 19,900 THB this time last year.
    The sleep of reason brings forth monsters.

  20. #20
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    I think Daikin have been playing off of their brand name for a while now, some of their competitors hardware is just as good and 30-40% cheaper. I have all Sharp units in my current house and they've all been going three years without seeing a repair man once.

    At the office we have Panasonic which I also had in an apartment I used to own, once again, cold, quiet and trouble free.

    I think it's like comparing Toyota to Hyundai or KIA. In years gone by, Toyota was the safe bet, but now Hyundai & KIA cars are of equal quality but at a lower price are a far better value proposition. And as they none are considered 'prestige', who cares what badge they have stuck on the front.

  21. #21
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    I have one of the bedrooms in my house exactly that size.
    The A/C engineer who cam to measure up for my six A/C units around the house fitted a Samsung 13000btu Micro Plasma Ion unit in that room it does the job superbly.

  22. #22
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    I would say that Daikin are the underdogs, not the top name brand

    they are just as good as, say, Panasonic but a lot cheaper
    anyway, I will let you know in 5 years (when the guarantee runs out) how it is doing

    remind me please

  23. #23
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    Quote Originally Posted by benbaaa
    My Mr Slim's a regular one 'cos nobody in Siam TV could explain how an inverter model would be any better or different.
    they are a joke in there, as per usual

    I know an aircon engineer who fitted me the Daikin for about B5000 cheaper than they were quoting

  24. #24
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    Quote Originally Posted by DrAndy
    I would say that Daikin are the underdogs, not the top name brand
    Wow, surprised by that, they're much more expensive here in Cambodia and really push themselves as a high quality brand.

    The prices here for similar spec 9000btu fitted:

    Daikin - $470
    Sharp - $360
    Panasonic - $400

  25. #25
    Member EssEffBee's Avatar
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    Inverter a/c units are a waste of money unless the a/c unit is significantly large, used a lot & is accurately sized for the space to be cooled.

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