Water Saving Toilets: Which one is right for you?



Posted: Friday, September 04, 2009

by Peter Tong

If you have been shopping around for toilets recently. You have probably noticed the broad selection of water saving toilets. It can get very confusing. There are the 5 different types of water saving toilets.

1. Composting toilet: A composting toilet uses an aerobic processing system which breaks down the waste in the toilet. This type of toilet also uses the process of evaporation to eliminate liquid waste. A compost toilet does not have pipes connecting it to a plumbing system. The toilet is used to prevent harmful disease causing germs from being released into the environment. The toilet also uses almost no water.

2. Regular low flow toilet: This type of toilet uses 1.6 gallons per flush. The regular low flow toilet is the typical toilet you will see anywhere. In the mid 90's the government made it against the law to use or sell a toilet that uses more than 1.6 gallons per flush. There are two different types of flush mechanisms available for low flow toilets. The gravity flush toilet which is pretty much the standard toilet. This type of flush toilet uses water force to flush waste. It is easy to maintain, gets the job done, and parts are readily available. Finally there is the pressure assist flush toilet, which is mainly used for commercial toilets or homes with poor plumbing. A pressure assist toilet utilizes pressurized water through the use of air force to flush the waste down the drain. The use of air makes the flush a little bit louder than the gravity assist toilet.

3. Ultra low flow toilet: The ultra low flow toilet uses only 1.28 gallons per flush. I have heard that this toilet is faulty when it comes to flushing all the waste down the drain. Installation of the ultra low toilet is the same as the regular low flow toilet

4. Dual flush toilet: Allows the user to choose between a full flush and half flush. The dual flush toilet saves about 4,000 gallons of water more than the regular 1.6 gallon per flush toilet. Dual flush toilets dominate the European market and are mandatory in Australia and Israel. They install just like a regular toilet.

5. High efficiency toilet (HET): Is any toilet that flushes 20% less than regular 1.6 gallon per flush toilets. Dual flush toilets, ultra low flow toilets and composting toilets all qualify as high efficiency toilets.

Why should we care about how much water the toilet flushes? Water is obviously a very precious resource that is becoming scarce around the world. In fact 46 states are predicted to have water shortages over the next 5 years. Every drop of fresh water counts. Toilets waste the most water in home. Upgrading to a water saving toilet is a simple way to conserve one of earth's greatest resources.

Low flow toilets like a dual flush toilet is a great way to save water. In a year this type of toilet saves at least 4,000 gallons per household.
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