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 Solar Water Heater

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ozak
post Dec 1 2011, 09:20 PM

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QUOTE(Don Quixote @ Dec 1 2011, 09:15 PM)
I am looking at Solarwave tube system. Anybody has any experience using or heard of anything regarding this brand of solar energy?

There is quite an attractive package for 1 unit of Solarwave, 1 unit of Hydo1 membrane filter and 1 unit of Pressure Booster Pump with installation for all.
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What is the package price? With installation?
shinjun
post Dec 2 2011, 10:14 AM

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Any1 heard of LEXSUN this brand? I find their price is not bad. I'm still surveying around for a solar hot water system. Wonder how to differentiate a reliable one or not. hmm.gif
TSzheilwane
post Dec 2 2011, 02:58 PM

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Most solars are offering 10 years warranty. However, there are lots of solar in KL like solar penguin, solar polo and etc but they are no longer available in KL. So, when u r buying, better get it from a reliable company such as SOLAR POWER which has been in the market for 20 years. Every company can offer 10 years warranty but whether they can stay in the market for 10 years that is still a big "?"
devil98
post Dec 3 2011, 12:52 AM

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QUOTE(zheilwane @ Dec 1 2011, 09:19 PM)
Here is some info on solar that you might b interested in looking at before choosing solar wave. For more info, pls come to my shop, will give u some good explanation on the differences between SOLAR POWER and other brands
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what is best price for solar power + grundfos pump package ?
kepong too far for me and i not familiar there, mind to PM me ? blush.gif
TSzheilwane
post Dec 3 2011, 01:31 AM

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Our current package is SOlar Power 60gE-C + 10" Brass Rain shower head = RM 3,999. I will PM u the price with Grundfos Package
venven81
post Dec 7 2011, 03:29 PM

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for those who are into Green Technology and Renewable Energy per se, kindly visit and join the group in facebook for more discussions on RE.

Malaysia Renewable Energy

This post has been edited by venven81: Dec 7 2011, 03:30 PM
ozak
post Dec 19 2011, 03:42 PM

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QUOTE(finestq @ Nov 22 2011, 01:45 AM)
ya.. i am interested in Microsolar too...they seem very high tech... anybody tried it before? what is the price compared to other brands?
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My friend just instal a Microsolar solar heater. It is the most effeciency so far in the market as what he said. I m waiting for his price.

What I like so far is, there is no heater in this model. Free from electrical bill, 0 bill. The only brand I know now. Even in cloudy day like now, the water can cook maggi mee. That, I can't proof now till I take 1 day to try myself with some maggi mee. tongue.gif
weikee
post Dec 19 2011, 04:52 PM

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QUOTE(ozak @ Dec 19 2011, 03:42 PM)
My friend just instal a Microsolar solar heater. It is the most effeciency so far in the market as what he said. I m waiting for his price.

What I like so far is, there is no heater in this model. Free from electrical bill, 0 bill. The only brand I know now. Even in cloudy day like now, the water can cook maggi mee. That, I can't proof now till I take 1 day to try myself with some maggi mee. tongue.gif
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Heard of this solar too. Wonder what is the difference between normal solar panel.
ozak
post Dec 19 2011, 06:02 PM

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QUOTE(weikee @ Dec 19 2011, 04:52 PM)
Heard of this solar too. Wonder what is the difference between normal solar panel.
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I believe the different is between the vacuum tube and the tank side. Which how it transfer the heat to the water. The vacuum tube is same for all type of brand.

If the price 100Liter stay below RM5k and 0 bill TNB, probably will consider it. Otherwise will design my own heater with 0 bill TNB. tongue.gif
TSzheilwane
post Dec 20 2011, 12:12 AM

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Micro solar is similar to SOLAR POWER Heat Pipe Model. Just like other normal heat pipes solar in the market, Micro Solar's tubes are connected directly to the storage tank. Solar Power on the other hand are connected to a manifold, making it leak proof.

user posted image
ozak
post Dec 20 2011, 09:09 AM

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QUOTE(zheilwane @ Dec 20 2011, 12:12 AM)
Micro solar is similar to SOLAR POWER Heat Pipe Model. Just like other normal heat pipes solar in the market, Micro Solar's tubes are connected directly to the storage tank. Solar Power on the other hand are connected to a manifold, making it leak proof.
I guess why it more effeciency than others. I have seen another brand name SDS from germany where the heat pipe is look diferent from others. But connect to manifold too. Not sure the effeciency.
TSzheilwane
post Dec 20 2011, 09:18 AM

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Heat Pipes have better efficiency compared to normal solar with panels as the absorption area is bigger + the tubes have a vacuum layer which makes it near to zero heat lost.


weikee
post Dec 20 2011, 09:49 AM

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QUOTE(zheilwane @ Dec 20 2011, 09:18 AM)
Heat Pipes have better efficiency compared to normal solar with panels as the absorption area is bigger + the tubes have a vacuum layer which makes it near to zero heat lost.
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Is actually a difference system, from outer box look similar but the way it transfer energy is difference. I read a fair bit of the conventional and this micro solar last year before renovating my house. Ah well, still on the high side if you ask me. My ROI will need about 10 years with my current usage.

BTW, my neighbor is now renovating her house, and removed the solar panel for service while changing the roof. She use it > 10 years and the internal component is still very good. She just need to change the valve which only cost her about few hundreds inclusive of servicing. She is using the "Summer brand"

For thos wanted to use solar panel maybe can consider this brand too.

http://www.solartech.com.my/summer/faq.php



ozak
post Dec 20 2011, 10:36 AM

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QUOTE(weikee @ Dec 20 2011, 09:49 AM)
Is actually a difference system, from outer box look similar but the way it transfer energy is difference. I read a fair bit of the conventional and this micro solar last year before renovating my house. Ah well, still on the high side if you ask me. My ROI will need about 10 years with my current usage.

BTW, my neighbor is now renovating her house, and removed the solar panel for service while changing the roof. She use it > 10 years and the internal component is still very good. She just need to change the valve which only cost her about few hundreds inclusive of servicing.  She is using the "Summer brand"

For thos wanted to use solar panel maybe can consider this brand too.

http://www.solartech.com.my/summer/faq.php
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How if the ROI include the washing machine which need hot water and reduce time boiling water or hot water need in the kitchen. That can shorten the ROI.

Unless those seller can help us shorten the ROI. tongue.gif

weikee
post Dec 20 2011, 10:52 AM

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QUOTE(ozak @ Dec 20 2011, 10:36 AM)
How if the ROI include the washing machine which need hot water and reduce time boiling water or hot water need in the kitchen. That can shorten the ROI.

Unless those seller can help us shorten the ROI. tongue.gif
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For washing, i don't use much hot water, only few time a month. Furthermore I don't have copper pipe in ground floor so is another cost of installation.

I don't see the need of using hot water in kitchen unless we have dishwasher machine. Not that our room temperature is below 20c right?

Actually I made some calculation, Rinnai Gas heater have faster ROI for family with 3 to 5 members (excluding copper installation which similar price for storage, solar or Gas)
ozak
post Dec 20 2011, 05:09 PM

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QUOTE(weikee @ Dec 20 2011, 10:52 AM)
For washing, i don't use much hot water, only few time a month. Furthermore I don't have copper pipe in ground floor so is another cost of installation.

I don't see the need of using hot water in kitchen unless we have dishwasher machine. Not that our room temperature is below 20c right?

Actually I made some calculation,  Rinnai Gas heater have faster ROI  for family with 3 to 5 members (excluding copper installation which similar price for storage, solar or Gas)
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Few time a month consider alot for me if using hot water for washing machine. I use once permonth. With free hot water from sun, I would consider every wash is hot water. He...

For kitchen side, can reduce the time to boil your water if you have a hot water from the tap. And reduce your cooking time. I wonder can direct drink or not. hmm.gif

I still searching for a saver heater in term of cost and usage. A slighty expensive heater but 0 TNB bill is still ok to me.
weikee
post Dec 20 2011, 06:02 PM

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QUOTE(ozak @ Dec 20 2011, 05:09 PM)
Few time a month consider alot for me if using hot water for washing machine. I use once permonth. With free hot water from sun, I would consider every wash is hot water. He...

For kitchen side, can reduce the time to boil your water if you have a hot water from the tap. And reduce your cooking time. I wonder can direct drink or not. hmm.gif

I still searching for a saver heater in term of cost and usage. A slighty expensive heater but 0 TNB bill is still ok to me.
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Not good for cloths if use hat water too often. Especially for colorful cloths.
phoenix69
post Dec 20 2011, 07:08 PM

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QUOTE(ozak @ Dec 20 2011, 05:09 PM)
Few time a month consider alot for me if using hot water for washing machine. I use once permonth. With free hot water from sun, I would consider every wash is hot water. He...

For kitchen side, can reduce the time to boil your water if you have a hot water from the tap. And reduce your cooking time. I wonder can direct drink or not. hmm.gif

I still searching for a saver heater in term of cost and usage. A slighty expensive heater but 0 TNB bill is still ok to me.
*
Err, not many washing machine with hot and cold water inlet wor... blink.gif
If use 1 inlet does that mean you have to use mixer as water outlet??
If yes how to control temperature?
ozak
post Dec 20 2011, 09:55 PM

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QUOTE(phoenix69 @ Dec 20 2011, 07:08 PM)
Err, not many washing machine with hot and cold water inlet wor... blink.gif
If use 1 inlet does that mean you have to use mixer as water outlet??
If yes how to control temperature?
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You don't need hot and cold inlet. Mixer wil do the job. And washing don't need precise temperature control.
weikee
post Dec 20 2011, 11:36 PM

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QUOTE(ozak @ Dec 20 2011, 09:55 PM)
You don't need hot and cold inlet. Mixer wil do the job. And washing  don't need precise temperature control.
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Mixer already cost a bomb.

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