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Use gas to boil water or electric boiler?, Which one is cheaper?
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SUSOptiplex330
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 Jun 30 2010, 10:30 AM
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QUOTE(papamia @ Jun 30 2010, 12:56 AM) I've done the calculations. My water boiler consumes 2000W and can get the job done in 10 minutes, therefore 2000W x (10/60)/1000=0.333kWh it will be 0.333kWh x 0.218 = RM 0.0726 I use it 3 times per day throughout a month. That means it is 0.0726 x 3 x 30=rm6.50 I have 5 person staying in this house. Therefore, I don't think it is wise to save on this considering safety issues. How many liters of water are you talking about? |
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SUSOptiplex330
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Jun 30 2010, 10:31 AM
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QUOTE(bingozero @ Jun 30 2010, 01:15 AM) Use indoor water filter
Added on June 30, 2010, 1:16 amIndoor water filter Vast majority of water filter do not kill virus and bacteria. Boiling does. Big difference. |
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SUSOptiplex330
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Jun 30 2010, 10:33 AM
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QUOTE(salimbest83 @ Jun 30 2010, 01:25 AM) electric want is the fastest.. less than 6-7 min only.. and should cost cheaper.. emm.. how calculate .. 2000*/100 *7/60 *0.218 araound RM 0.05086 only per 1.3litre Funny you should come up with that figure. I have just calculated the cost of Amway UV light used to kill viruses and bacteria and it comes to 5 sen per liter as well, making those UV light thing very cost competitive indeed minus the hassle of boiling. That is excluding the filtration which will add another 5 sen. Making about 10 sen per liter. This post has been edited by Optiplex330: Jun 30 2010, 10:33 AM |
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SUSOptiplex330
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Jun 30 2010, 11:44 AM
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QUOTE(moshpit21 @ Jun 30 2010, 11:12 AM) just drink from the tap water, 1000 years ago people didnt have kettle and stove, but they were just fine... kthxbai. 1000 yrs ago, there were no pesticide and so many carcinogenic things in water. So best use solid charcoal filter. |
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SUSOptiplex330
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Jun 30 2010, 12:42 PM
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QUOTE(moshpit21 @ Jun 30 2010, 12:39 PM) yes but people were throwing "dump" in the river where they drink their water from lol Now you still get 'dump' somewhere upstream plus pesticide. |
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