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  1. #101
    Days Work Done! Norton's Avatar
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    Quote Originally Posted by Bung
    I just wanted to bump this thread to see if anyone could recommend solar hot water here in Chiang Mai?
    Andy purchased his in CM so reckon he has recommendation.

    Quote Originally Posted by Bung
    The thing is, is it worth it? a thermostatically controlled electric hot water unit is pretty cheap and sticking a solar unit way up on the roof is a bastard to access.
    Always the trade off. No doubt energy costs will be reduced but is it worth it. I have the electric hot water heater and frankly for my purposes is most practical.

    If your water supply has a lot of sediment, will be prob with electric water heater. Sediment will build up on the heating unit (anode) and replacement of the anode a bitch.
    Whenever you find yourself on the side of the majority, it is time to pause and reflect.

  2. #102
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    Quote Originally Posted by Bung
    The thing is, is it worth it? a thermostatically controlled electric hot water unit is pretty cheap and sticking a solar unit way up on the roof is a bastard to access.
    Those electric units are not very cheap to run, and the insulation is always not perfect

    You don't have to access the solar unit more than, say, once every 2 years, to insert another anode

    they give you really free good hot water for most of the year

    and you save the planet!
    I have reported your post

  3. #103
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    Quote Originally Posted by Norton
    Andy purchased his in CM so reckon he has recommendation.
    yes, I bought mine from the Egat research centre; that is a panel type which can be pumped through, so there was no need to mount it on the roof

    I just built a platform so that the unit was in the sunlight all the time

    the one I am selling is the gravity type, which needs mounting above the useage area

  4. #104
    Tonguin for a beer Bung's Avatar
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    I'm thinking for better practicality an electric, thermostatically controlled unit on the outside wall at ground level is the go. Can be adjusted to deliver the needed heat and there are only 2-3 people living here. Easily maintained /replaced and I may end up renting the place out anyway.

    Still, open to suggestions

    I see not all hot water systems have thermostats but it makes sense to me to have one.

    2 bathrooms - Is 80l too big?
    Fahn Cahn's

  5. #105
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    Quote Originally Posted by Bung
    I see not all hot water systems have thermostats but it makes sense to me to have one. 2 bathrooms - Is 80l too big?
    maybe a bit small; they reckon about 50l a person unless you run it very hot, then that will cost a lot more

  6. #106
    Tonguin for a beer Bung's Avatar
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    You know, if I was in Australia it would be a no brainer but I am not convinced on the quality here. I just have a mental image of seeing water leaking out of a solar unit 2 stories up....Especially when you say you got yours from a "research" centre...

  7. #107
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    I have had mine working over 2 years with no problems

    you can buy Aussie ones here but they tend to be more expensive

    and, as I said, the panel type doesn't need to be mounted on the roof

    can be anywhere the sun shines, you can make up a wall bracket on a south facing wall, for instance

  8. #108
    Tonguin for a beer Bung's Avatar
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    Quote Originally Posted by DrAndy View Post
    Quote Originally Posted by Bung
    I see not all hot water systems have thermostats but it makes sense to me to have one. 2 bathrooms - Is 80l too big?
    maybe a bit small; they reckon about 50l a person unless you run it very hot, then that will cost a lot more

    Always good to get dawdlers out of the shower quicker

    But thanks for that info, I need to get this right before I commit.

    Actually, the roof I would put a solar unit on has quite good access.

    I better resurrect my building thread....

  9. #109
    Have you got any cheese Thetyim's Avatar
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    Quote Originally Posted by Bung
    open to suggestions
    Have to considered a gas fired boiler mounted on an outside wall.
    Hot water on demand type.

  10. #110
    Tonguin for a beer Bung's Avatar
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    That would be great if they had a gas mains system in Thailand.

  11. #111
    Have you got any cheese Thetyim's Avatar
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    A bottle of gas will last you ages

  12. #112
    Tonguin for a beer Bung's Avatar
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    Yeah, I guess it is worthy of consideration....definately cheap hot water with instantaneous gas and I have the spot outside to mount....

  13. #113
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    Quote Originally Posted by Thetyim View Post
    A bottle of gas will last you ages

    mine last a month in Portugal, in similar temps, and cost over B800

    so expensive unless bottled gas is cheaper here

  14. #114
    Days Work Done! Norton's Avatar
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    Quote Originally Posted by Bung
    I'm thinking for better practicality an electric, thermostatically controlled unit on the outside wall at ground level is the go
    I have a 100 liter Ferroli mounted in the attic. Not sure makes a big difference but thought why not take advantage of the heat in attic. I have 2 showers and a bathtub. Have never run out of hot water. I have not computed cost of electric nor considered saving the planet. I purchased at Global House in Roiet.

    www.ferroli.com.sg

  15. #115
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    Quote Originally Posted by Norton
    I have 2 showers and a bathtub.
    but do you use them?

  16. #116
    Days Work Done! Norton's Avatar
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    Once a week whether I need it or not.

    The wife and 2 grand kids shower 3 to 4 times a day. Have hot water at 4 faucets as well.

  17. #117
    Have you got any cheese Thetyim's Avatar
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    Quote Originally Posted by DrAndy
    so expensive unless bottled gas is cheaper here
    A 15kg bottle of LPG gas is 300 baht here.

    A Stebel Electron immersion heater will cost 300 baht per month to run just to maintain the water temperature.
    As soon as you actually use some hot water the cost increases.

  18. #118
    Tonguin for a beer Bung's Avatar
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    I've been thinking about this and actually reckon gas is the go. Mounted outside with a big bottle and also plumb a line over to the kitchen for cooking. have a spare bottle next to it and swap them out as needed.

    thing is, I haven't noticed any for sale here in CM...Mind you, I haven't been looking.

  19. #119
    Have you got any cheese Thetyim's Avatar
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    Last edited by Thetyim; 19-11-2012 at 07:48 PM.

  20. #120
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    SOLD


    to a nice chap that lives up the road

  21. #121
    euston has flown

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    how long did that take?

  22. #122
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    just a week

    I did mention last year I wanted to sell them on here, and sold one to an intelligent member

    the other was not sold at that time

    Last week I advertised it again, but in the local news ads and got a lot of interest

  23. #123
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    I am interested in a solar heating system, at the moment my garden hose only holds enough hot water for a 5 minutes shower, plus for the first minute the water is scalding hot

  24. #124
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    oh well, better buy one then

    they are very good

  25. #125
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    Solar Hot Water Heaters in Chiang Mai

    Hi All,

    Just wanted to see if anyone has an update on this subject? I am building a home and looking for recommendations on brand, model and local retailer.

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