Heat blocking technology,why is it not used to save energy??

Post by **BKKSTAN** » April 22, 2007, 12:38 pm

Heat-blocking technology would bring big savings

With the ongoing heat, I wonder why it is that heat-reflecting windows are virtually non-existent in Thailand? Given the local climate, such windows would pay off in a much shorter time than in the moderate climates where they are widely used.

There are several kind of such windows, ranging from the simplest double-paned windows, with the air between both panes removed to reduce the transmission of heat, to high-tech thermo-reflecting windows. There are heat-reflecting foils for car windows, but I haven't seen them used for buildings.

The reduced consumption of electricity for air-conditioning would not only pay off the higher cost for such windows, it would also reduce the heat generated by power plants and reduce the overall amount of power needed on a national scale, not to mention lower the environmental damage from power generation.

In addition, there are ways to build houses with heat-reflecting or heat-isolating materials and technologies, all of which would save lots of money in the long run. I have heard there is even a paint using nano-technology that reduces the heat passing through to the walls.

Where are the Thai architects to propose and use such materials and technologies?

Sam Munich

Bangkok

Post by **tawan3** » April 22, 2007, 2:03 pm

Thai architects are trained at American Universities in heat-reflecting materials and also a few Thai PHDs have work on nano-technology paints that are actually in the production stages.

Maybe the young minds are too low in the company ranks for anyone to listen to them.

Post by **BKKSTAN** » April 22, 2007, 2:14 pm

Or maybe they paid for someone to write their doctoral thesis

And don't have a clue!

Post by **tawan3** » April 22, 2007, 2:19 pm

I must admit I have met many PHDs that do not have a clue but I am not naming names

Post by **Bump** » April 22, 2007, 3:07 pm

Dear Mr. Milner,
We recommend you to use ceramic paints for roof-top coating. On metal roof, the temperature difference of coated and uncoated surface can be greater than 10 degrees C. during summer months.

Chalermchai Su-uthai
- Bangkok, Thailand

Post by **Bump** » April 22, 2007, 3:14 pm

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Post by **tawan3** » April 22, 2007, 3:21 pm

Who is the distributor for Hy Tech paint additives in Thailand? 114 USD is very cheap to paint a house even at plus 60% duty would be worth it in Thailand.

Post by **Bump** » April 22, 2007, 3:37 pm

http://www.piatom.com/836.html

Post by **Bump** » April 22, 2007, 4:06 pm

That wan't much help was it, I found dustributi ors in just naout every conuntry in the region except Thailand and a mnufator in Chine, woner what the import tac xes would be/

My guess is it is around search time but almost time for Moto Gp so will have to wait

Post by **tawan3** » April 22, 2007, 4:28 pm

I was only guessing on the import tax. I got 60% from the Thai Japan Trade agreement. I do not know about Moto Gp.

Post by **Bump** » April 22, 2007, 5:22 pm

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Post by **Bump** » April 28, 2007, 10:39 am

Got a reply from one manufactor, they do not have a distributor in Thailnd closeset one Singapore. , what that will mean in import taxes I have no idea.

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We currently do not have a distributor in Thailand. The closest distributor
we have to there is in Singapore. They have a link on the top right hand
corner of the website.

Thanks,

Chad Davis
Mascoat Products

Post by **fatbas***d** » April 30, 2007, 10:58 am

Stan, you have raised my own pet peeve, the amount of energy going to waste through poor or in most cases no insulation is almost criminal. The problem is that developers here will not spend money incorporating energy saving materials into a house presumably because most buyers don't recognise the value of it.
If the goverment had the nouse to advertise the economic gains of effective insulation, everybody would be better off. You look at most project houses here, not even basic under roof insulation, when I asked a sales person why, He replied "it makes the house hotter" what a lot of BS ! The developers are too greedy to make even token efforts at insulation and the buyers are too stupid to insist on it.

Post by **Bump** » April 30, 2007, 11:26 am

I think you are absolutely correct. However, I do beleive it will remain an after market producrt, simply to maintain a competive edge in the Thai market. Most Thai's don't give it a thought, they don't use air for the most part. Most of the products are readibly available with the exception of this paint.

Some of the guys who have built there own houses have used the insulating brick a bit more expensive but that should give a good return if you are using air.

The attic aspect is easy to take care of Better venting and insulation will work. The the walls constructed of standard brick, the only after market product that might be feasable would be the paint, that I have found. The problem is not only to they get hot, they hold that heat for hours.

The paint seems to be availble all around us, my guess is it is here I just haven't found it. Hopefully in the next few years I will before the house is do for a new coat of paint.

Post by **fatbas***d** » April 30, 2007, 11:59 am

Traditional thai houses are quite well designed to provide a comfortable indoor enviroment. If you look at the double hip roof design and open ends to provide an open area for heat release, the above ground construction, venting throught the building. If you have spent time in one, you will know they are relatively cool and significantly cooler than modern houses made from high density materials, built on the ground with almost no circulation.
There is newly built house near to me which I walk past most days, the roof has two small vents with an open area of 500 sq mm, to vent an area of maybe 70 Cu/M, why would they bother as they so small to be almost ineffective.

Post by **Dakoda** » April 30, 2007, 4:17 pm

first know nothing about reflecting paint, or this product I see advertized at Home Pro "Berger Cool Paint", but maybe since I have only primed the outside, might just look into it. Wonder if Berger has a web site.

and I was thinking about cracks.

Post by **arjay** » April 30, 2007, 4:37 pm

Dakoda wrote:Berger Cool Paint", but maybe since I have only primed the outside, might just look into it.

Dakoda, if you are going to look into it, just be careful when you take the lid off, don't get splashed!!

Post by **Bump** » April 30, 2007, 6:14 pm

Bingo: From a user on another site:

there is actually a very premium brand of reflective paaint on the market in Thailand. Yes the person was very right about high quality white paint except when it gets dirty. the paint i am refering too has a high content of reflective componenets built into it - acutally much higher than the western competitors and the cost is comparitve to high quality house paint. It can be used indoors or outdoors and can be pigmented to desiered colors(within reason) it is distributed in Thailand by the Starkool company. 024164527 ask for Joe or Ruengrit (ronreet) I have used this product on iffices here and in Dubai and have seen tremendous savings on cooling bill.