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Construction in Thailand Is building in Thailand as bad as it seems? Can properties really be built and fitted out to European standards? Would you like to Build your own house in Phuket, or a swimming pool in Bangkok? Solar water heating in Pattaya? Or maybe you want to build a resort or guesthouse on Koh Samui? If you want to build a luxury house in Thailand then this is the forum for you.

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Old 18-11-2012, 09:05 AM   #101 (permalink)
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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.
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Old 18-11-2012, 09:14 AM   #102 (permalink)
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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!
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Old 18-11-2012, 09:16 AM   #103 (permalink)
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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
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Old 18-11-2012, 09:16 AM   #104 (permalink)
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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?
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Old 18-11-2012, 09:19 AM   #105 (permalink)
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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
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Old 18-11-2012, 09:19 AM   #106 (permalink)
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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...
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Old 18-11-2012, 09:23 AM   #107 (permalink)
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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
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Old 18-11-2012, 09:23 AM   #108 (permalink)
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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....
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Old 18-11-2012, 09:28 AM   #109 (permalink)
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open to suggestions
Have to considered a gas fired boiler mounted on an outside wall.
Hot water on demand type.
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Old 18-11-2012, 10:05 AM   #110 (permalink)
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That would be great if they had a gas mains system in Thailand.
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Old 18-11-2012, 10:08 AM   #111 (permalink)
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A bottle of gas will last you ages
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Old 18-11-2012, 10:54 AM   #112 (permalink)
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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....
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Old 18-11-2012, 11:17 AM   #113 (permalink)
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Quote:
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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
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Old 19-11-2012, 09:03 AM   #114 (permalink)
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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
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Old 19-11-2012, 09:37 AM   #115 (permalink)
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Quote:
Originally Posted by Norton
I have 2 showers and a bathtub.
but do you use them?
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Old 19-11-2012, 02:46 PM   #116 (permalink)
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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.
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Old 19-11-2012, 02:56 PM   #117 (permalink)
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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.
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Old 19-11-2012, 06:31 PM   #118 (permalink)
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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.
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Old 19-11-2012, 06:41 PM   #119 (permalink)
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Chiang Rai has them



http://teakdoor.com/construction-in-...r-heaters.html (gas water heaters)



http://www.mazuma.co.th/

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Old 22-11-2012, 04:20 PM   #120 (permalink)
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SOLD


to a nice chap that lives up the road
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Old 23-11-2012, 03:19 AM   #121 (permalink)
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how long did that take?
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Old 23-11-2012, 05:45 AM   #122 (permalink)
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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
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Old 23-04-2013, 07:44 PM   #123 (permalink)
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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
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Old 23-04-2013, 08:14 PM   #124 (permalink)
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oh well, better buy one then

they are very good
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Old 15-03-2017, 07:51 PM   #125 (permalink)
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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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