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Green Home Improvements .info is written by Charles Faust. Charles has been in the home improvement industry since the early 1990's and has owned his own company for a little over 10 years. This blog was created to show Charles' efforts in making his lifestyle more "Green" and how his product selections for his clients are becoming "Greener".

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Dual Flush Toilet

Written by green1 on Jun 8th, 2008 | Filed under: Plumbing

A few months ago I attended a green building show in Boston and was able to check out Toto’s line of water saving toilets.  Their display at the green show was rather impressive and it seemed to draw a good size crowd.  We were able to play with the toilets like kids without the Toto rep kicking us out!

toilet-with-bags Dual Flush Toilet

In the picture above they use golf balls and plastic tubes to show how much “stuff” their toilets can flush without requiring a second flush.

Water Saving Toilets
In the picture above they show how much “stuff” makes it through the drain system without clogging.  The funny thing is that the water was turned off at the time this picture was taken and only about 50% of the total flush made it to the collection basin.  Once the rep turned on the water and reloaded the toilet bowl the entire load made it into the basin.

Dual Flush Toilet

This is a dual flush toilet which uses .9 gallons per flush when you don’t have the need to flush a dozen golf balls and a dozen plastic water bags.  If you need to get rid of a large load then you can hit the 1.6 gallon button and flush away $20 in golf balls.

If you are looking for a water saving toilet I would suggest one of the dual flush models.  Since this was the only one on display at the green home show that I attended, I am not able to compare it to other models.  Some of the other green blogs that I read have done reviews on the Toto toilets and I have yet to see anything negative on the product line.  Until Toto sends me a free water saving toilet to test (hint Toto toilet people) I can not provide a in-house review.

7 Responses to “Dual Flush Toilet”

  1. Oh I have heard about these toilets and they are so good for the enviro and saving water. One would think that every new house built would go up with these in place, but unfortunately that is not the case yet in our area. My husband just fixed all of our toilets to be more economic on the water but I definitely wish we could replace all three with these - just not in the budget right now :)

  2. The only problem that I see with them is your old toilet will end up in a landfill. Toilets can last a lifetime, it’s a shame to throw them away.

    With that said, .7 gallons of water really adds up over time. Damned if you do/don’t.

  3. When I saw ‘Dual Flush’ it made me think of a double decker outhouse. :)

    I would be interested to know how well these things work with a septic tank system.

  4. I can see some issues with your septic tank if you flush expensive golf balls!

    Double decker outhouse…….I had to think about that one for a few seconds. I’ve been in a two seater (wife/husband) one, I love my wife but I don’t see us sitting side by side.

    BTW, nice site Frank.

  5. If it’s yellow, let it mellow,
    If it’s brown, flush it down.

    In our house that’s the rule, plus no pee-TP in the toilet. Just like Mexico, in it’s own bin.
    Can be composted, pee is okay.

    That way you can cut down possibly more. Plus if you save a bucket with your shower, you can use it to flush when the yellow is way mellow.

    All this works without retrofitting, which is out of the range of a lot of folks these days.

  6. If you are serious about saving water, want a toilet that really works and is affordable, I would highly recommend a Caroma Dual Flush toilet. Caroma toilets offer a patented dual flush technology consisting of a 0.8 Gal flush for liquid waste and a 1.6 Gal flush for solids. On an average of 5 uses a day (4 liquid/ 1 solid) a Caroma Dual Flush toilet uses an average of 0.96 gallons per flush. The new Sydney Smart uses only 1.28 and 0.8 gpf, that is an average of 0.89 gallons per flush. This is the lowest water consumption of any toilet available in the US. Caroma, an Australian company set the standard by giving the world its first successful two button dual flush system in the nineteen eighties and has since perfected the technology. Also, with a full 3.5? trapway, these toilets virtually never clog. All of Caroma’s toilets are on the list of WaterSense labeled HET’s http://www.epa.gov/watersense/pp/find_het.htm and also qualify for several toilet rebate programs available in the US. Please visit my blog http://pottygirl.wordpress.com/ to learn more or go to http://www.caromausa.com to learn where you can find Caroma toilets locally. Visit http://www.ecotransitions.com/howto.asp to see how we flush potatoes with 0.8 gallons of water, meant for liquids only. Best regards, Andrea Paulinelli

  7. I hate to admit it but I’m a water-saver and don’t have the luxury of changing toilets since I rent my home. So…..I just don’t flush every time.

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